diff options
| author | Natanael Copa <ncopa@alpinelinux.org> | 2014-10-07 06:23:02 +0000 |
|---|---|---|
| committer | Natanael Copa <ncopa@alpinelinux.org> | 2014-10-07 06:23:02 +0000 |
| commit | 8d74f2b61fb30f14e8d1ce2e7a3cfacd9f1ec473 (patch) | |
| tree | c8f77cafb97214750aef02f1d952536787738873 /main/linux-grsec | |
| parent | a76cae2c5f138f428439f5b301f9e8ab5a4004df (diff) | |
| download | aports-8d74f2b61fb30f14e8d1ce2e7a3cfacd9f1ec473.tar.bz2 aports-8d74f2b61fb30f14e8d1ce2e7a3cfacd9f1ec473.tar.xz | |
main/linux-grsec: upgrade to 3.14.20
Diffstat (limited to 'main/linux-grsec')
| -rw-r--r-- | main/linux-grsec/APKBUILD | 18 | ||||
| -rw-r--r-- | main/linux-grsec/grsecurity-3.0-3.14.20-201410062037.patch (renamed from main/linux-grsec/grsecurity-3.0-3.14.19-201409282024.patch) | 1077 |
2 files changed, 353 insertions, 742 deletions
diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD index 46a9841dae..dfec8c2bd6 100644 --- a/main/linux-grsec/APKBUILD +++ b/main/linux-grsec/APKBUILD @@ -2,12 +2,12 @@ _flavor=grsec pkgname=linux-${_flavor} -pkgver=3.14.19 +pkgver=3.14.20 case $pkgver in *.*.*) _kernver=${pkgver%.*};; *.*) _kernver=${pkgver};; esac -pkgrel=3 +pkgrel=0 pkgdesc="Linux kernel with grsecurity" url=http://grsecurity.net depends="mkinitfs linux-firmware" @@ -17,7 +17,7 @@ _config=${config:-kernelconfig.${CARCH}} install= source="http://ftp.kernel.org/pub/linux/kernel/v3.x/linux-$_kernver.tar.xz http://ftp.kernel.org/pub/linux/kernel/v3.x/patch-$pkgver.xz - grsecurity-3.0-3.14.19-201409282024.patch + grsecurity-3.0-3.14.20-201410062037.patch fix-memory-map-for-PIE-applications.patch imx6q-no-unclocked-sleep.patch @@ -165,24 +165,24 @@ dev() { } md5sums="b621207b3f6ecbb67db18b13258f8ea8 linux-3.14.tar.xz -648647b8a4eb17f057bb64afabdb1d54 patch-3.14.19.xz -16d0d944ffb7d3889828f6777c5ff227 grsecurity-3.0-3.14.19-201409282024.patch +e581089540b747c39d528fc4c47b70b6 patch-3.14.20.xz +149cb0b654a5eb6122c7e47b0f113c98 grsecurity-3.0-3.14.20-201410062037.patch c6a4ae7e8ca6159e1631545515805216 fix-memory-map-for-PIE-applications.patch 1a307fc1d63231bf01d22493a4f14378 imx6q-no-unclocked-sleep.patch d14ffce26900130c26cad2d833a7040c kernelconfig.x86 77450a0953917c3003023034afb4fead kernelconfig.x86_64 3d79d27ce4aea637042bb70055c35a3d kernelconfig.armhf" sha256sums="61558aa490855f42b6340d1a1596be47454909629327c49a5e4e10268065dffa linux-3.14.tar.xz -8f168278944be5109f7bcb7488578acb9fdba985ae9fc44a04eefd4fe27d8591 patch-3.14.19.xz -15738fd826a0bdf2c5fceecde3ec59f8eacbcaa59b5fa099f0a64fc32975b217 grsecurity-3.0-3.14.19-201409282024.patch +b01ba521cce12d3b9e8c25807567837dd88878b861f27c453c29cee80b6cb84b patch-3.14.20.xz +578f55546016f72c9ed3afedebb0cf6e74ab613f25c29d0a2f3a6b4bfbd1456f grsecurity-3.0-3.14.20-201410062037.patch 500f3577310be52e87b9fecdc2e9c4ca43210fd97d69089f9005d484563f74c7 fix-memory-map-for-PIE-applications.patch 21179fbb22a5b74af0a609350ae1a170e232908572b201d02e791d2ce0a685d3 imx6q-no-unclocked-sleep.patch 61f34085c2022112d9fd89c0de59c9c45f4a05c524ff919aeabb1cf381db0409 kernelconfig.x86 db4ab1eda9da5761ca959b5a04dc867b0e91559bf7ee69a21e9d63dc384a5252 kernelconfig.x86_64 a2dc0e30e1d1d691768543a17b51efccfc11ef17c04ac08f2b54c95f25dab75d kernelconfig.armhf" sha512sums="5730d83a7a81134c1e77c0bf89e42dee4f8251ad56c1ac2be20c59e26fdfaa7bea55f277e7af156b637f22e1584914a46089af85039177cb43485089c74ac26e linux-3.14.tar.xz -be2cb79e7a9282244db9073160d426497dbb1815ce38050354181adc5d84dff09f597ff6980a3c29553300a2d38aa161ee25b53b8e122eb1891cfbdd950ba3eb patch-3.14.19.xz -e7fb38331f2564b100a0ab5c20912066c16c608081097adaabde9387003de9d7be09b27c4f957becef65627856a340d56270818401ac82077a228e2165cc21ce grsecurity-3.0-3.14.19-201409282024.patch +91231ec4e8e10a09b407d8db123e29a87ef4bf03fa3707f7ed511f22248de7d7b9cfc5169de5e9630854c97166594d3a00293571529d9b7a529118e6d2295b4f patch-3.14.20.xz +2a515f7ef49df5ef1d1de725884f541438f980d364db94789eb8381bf10a7902c7a5647ef1d7e296952980e6918e6697d0212b61cc1b7e171137ca6abba56504 grsecurity-3.0-3.14.20-201410062037.patch 4665c56ae1bbac311f9205d64918e84ee8b01d47d6e2396ff6b8adfb10aada7f7254531ce62e31edbb65c2a54a830f09ad05d314dfcd75d6272f4068945ad7c7 fix-memory-map-for-PIE-applications.patch 87d1ad59732f265a5b0db54490dc1762c14ea4b868e7eb1aedc3ce57b48046de7bbc08cf5cfcf6f1380fa84063b0edb16ba3d5e3c5670be9bbb229275c88b221 imx6q-no-unclocked-sleep.patch 938f1680fecb06e09cbdfd2d0f876e767bd617194ebd83629664315ced3585fc305585527dfbe8f4e5a332f0220a4c9ed6fe0be4c399b1ef12d6de12b2abcd0c kernelconfig.x86 diff --git a/main/linux-grsec/grsecurity-3.0-3.14.19-201409282024.patch b/main/linux-grsec/grsecurity-3.0-3.14.20-201410062037.patch index 6d974541bb..07a0783bae 100644 --- a/main/linux-grsec/grsecurity-3.0-3.14.19-201409282024.patch +++ b/main/linux-grsec/grsecurity-3.0-3.14.20-201410062037.patch @@ -287,7 +287,7 @@ index 7116fda..d8ed6e8 100644 pcd. [PARIDE] diff --git a/Makefile b/Makefile -index b1746b4..35b5438 100644 +index beb7e6f..70db31f 100644 --- a/Makefile +++ b/Makefile @@ -244,8 +244,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ @@ -2167,94 +2167,27 @@ index 71a06b2..8bb9ae1 100644 /* * Change these and you break ASM code in entry-common.S diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h -index 83259b8..8c7e01d 100644 +index 5f833f7..76e6644 100644 --- a/arch/arm/include/asm/tls.h +++ b/arch/arm/include/asm/tls.h -@@ -1,6 +1,9 @@ - #ifndef __ASMARM_TLS_H - #define __ASMARM_TLS_H +@@ -3,6 +3,7 @@ + + #include <linux/compiler.h> + #include <asm/thread_info.h> ++#include <asm/pgtable.h> -+#include <linux/compiler.h> -+#include <asm/thread_info.h> -+ #ifdef __ASSEMBLY__ #include <asm/asm-offsets.h> - .macro switch_tls_none, base, tp, tpuser, tmp1, tmp2 -@@ -50,6 +53,50 @@ - #endif - - #ifndef __ASSEMBLY__ -+#include <asm/pgtable.h> -+ -+static inline void set_tls(unsigned long val) -+{ -+ struct thread_info *thread; -+ -+ thread = current_thread_info(); -+ -+ thread->tp_value[0] = val; -+ -+ /* -+ * This code runs with preemption enabled and therefore must -+ * be reentrant with respect to switch_tls. -+ * -+ * We need to ensure ordering between the shadow state and the -+ * hardware state, so that we don't corrupt the hardware state -+ * with a stale shadow state during context switch. -+ * -+ * If we're preempted here, switch_tls will load TPIDRURO from -+ * thread_info upon resuming execution and the following mcr -+ * is merely redundant. -+ */ -+ barrier(); -+ -+ if (!tls_emu) { -+ if (has_tls_reg) { -+ asm("mcr p15, 0, %0, c13, c0, 3" -+ : : "r" (val)); -+ } else { -+ /* -+ * User space must never try to access this -+ * directly. Expect your app to break -+ * eventually if you do so. The user helper -+ * at 0xffff0fe0 must be used instead. (see -+ * entry-armv.S for details) -+ */ +@@ -89,7 +90,9 @@ static inline void set_tls(unsigned long val) + * at 0xffff0fe0 must be used instead. (see + * entry-armv.S for details) + */ + pax_open_kernel(); -+ *((unsigned int *)0xffff0ff0) = val; + *((unsigned int *)0xffff0ff0) = val; + pax_close_kernel(); -+ } -+ -+ } -+} -+ - static inline unsigned long get_tpuser(void) - { - unsigned long reg = 0; -@@ -59,5 +106,23 @@ static inline unsigned long get_tpuser(void) - - return reg; - } -+ -+static inline void set_tpuser(unsigned long val) -+{ -+ /* Since TPIDRURW is fully context-switched (unlike TPIDRURO), -+ * we need not update thread_info. -+ */ -+ if (has_tls_reg && !tls_emu) { -+ asm("mcr p15, 0, %0, c13, c0, 2" -+ : : "r" (val)); -+ } -+} -+ -+static inline void flush_tls(void) -+{ -+ set_tls(0); -+ set_tpuser(0); -+} -+ #endif - #endif /* __ASMARM_TLS_H */ + } + diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h index 7f3f3cc..bdf0665 100644 --- a/arch/arm/include/asm/uaccess.h @@ -2930,7 +2863,7 @@ index 07314af..c46655c 100644 flush_icache_range((uintptr_t)(addr), (uintptr_t)(addr) + size); diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c -index 92f7b15..b5e6630 100644 +index 5f6e650..b5e6630 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -217,6 +217,7 @@ void machine_power_off(void) @@ -2961,16 +2894,7 @@ index 92f7b15..b5e6630 100644 printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n" "sp : %08lx ip : %08lx fp : %08lx\n", regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr, -@@ -334,6 +335,8 @@ void flush_thread(void) - memset(&tsk->thread.debug, 0, sizeof(struct debug_info)); - memset(&thread->fpstate, 0, sizeof(union fp_state)); - -+ flush_tls(); -+ - thread_notify(THREAD_NOTIFY_FLUSH, thread); - } - -@@ -425,12 +428,6 @@ unsigned long get_wchan(struct task_struct *p) +@@ -427,12 +428,6 @@ unsigned long get_wchan(struct task_struct *p) return 0; } @@ -2983,7 +2907,7 @@ index 92f7b15..b5e6630 100644 #ifdef CONFIG_MMU #ifdef CONFIG_KUSER_HELPERS /* -@@ -446,7 +443,7 @@ static struct vm_area_struct gate_vma = { +@@ -448,7 +443,7 @@ static struct vm_area_struct gate_vma = { static int __init gate_vma_init(void) { @@ -2992,7 +2916,7 @@ index 92f7b15..b5e6630 100644 return 0; } arch_initcall(gate_vma_init); -@@ -472,41 +469,16 @@ int in_gate_area_no_mm(unsigned long addr) +@@ -474,41 +469,16 @@ int in_gate_area_no_mm(unsigned long addr) const char *arch_vma_name(struct vm_area_struct *vma) { @@ -3237,21 +3161,8 @@ index 7a3be1d..b00c7de 100644 pr_debug("CPU ITCM: copied code from %p - %p\n", start, end); itcm_present = true; -diff --git a/arch/arm/kernel/thumbee.c b/arch/arm/kernel/thumbee.c -index 7b8403b..80f0d69 100644 ---- a/arch/arm/kernel/thumbee.c -+++ b/arch/arm/kernel/thumbee.c -@@ -45,7 +45,7 @@ static int thumbee_notifier(struct notifier_block *self, unsigned long cmd, void - - switch (cmd) { - case THREAD_NOTIFY_FLUSH: -- thread->thumbee_state = 0; -+ teehbr_write(0); - break; - case THREAD_NOTIFY_SWITCH: - current_thread_info()->thumbee_state = teehbr_read(); diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c -index 172ee18..381ce44 100644 +index 9265b8b..381ce44 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -62,7 +62,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long); @@ -3282,38 +3193,7 @@ index 172ee18..381ce44 100644 if (signr) do_exit(signr); } -@@ -578,7 +583,6 @@ do_cache_op(unsigned long start, unsigned long end, int flags) - #define NR(x) ((__ARM_NR_##x) - __ARM_NR_BASE) - asmlinkage int arm_syscall(int no, struct pt_regs *regs) - { -- struct thread_info *thread = current_thread_info(); - siginfo_t info; - - if ((no >> 16) != (__ARM_NR_BASE>> 16)) -@@ -629,21 +633,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) - return regs->ARM_r0; - - case NR(set_tls): -- thread->tp_value[0] = regs->ARM_r0; -- if (tls_emu) -- return 0; -- if (has_tls_reg) { -- asm ("mcr p15, 0, %0, c13, c0, 3" -- : : "r" (regs->ARM_r0)); -- } else { -- /* -- * User space must never try to access this directly. -- * Expect your app to break eventually if you do so. -- * The user helper at 0xffff0fe0 must be used instead. -- * (see entry-armv.S for details) -- */ -- *((unsigned int *)0xffff0ff0) = regs->ARM_r0; -- } -+ set_tls(regs->ARM_r0); - return 0; - - #ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG -@@ -899,7 +889,11 @@ void __init early_trap_init(void *vectors_base) +@@ -884,7 +889,11 @@ void __init early_trap_init(void *vectors_base) kuser_init(vectors_base); flush_icache_range(vectors, vectors + PAGE_SIZE * 2); @@ -3778,7 +3658,7 @@ index 78c02b3..c94109a 100644 struct omap_device *omap_device_alloc(struct platform_device *pdev, struct omap_hwmod **ohs, int oh_cnt); diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c -index c914b00..8a653a7 100644 +index 4551efd..d487c24 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -194,10 +194,10 @@ struct omap_hwmod_soc_ops { @@ -3910,10 +3790,10 @@ index ca8ecde..58ba893 100644 If all of the binaries and libraries which run on your platform diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c -index 9240364..a2b8cf3 100644 +index d301662..a6ef72c 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c -@@ -212,10 +212,12 @@ union offset_union { +@@ -213,10 +213,12 @@ union offset_union { #define __get16_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v, a = addr; \ @@ -3926,7 +3806,7 @@ index 9240364..a2b8cf3 100644 if (err) \ goto fault; \ } while (0) -@@ -229,6 +231,7 @@ union offset_union { +@@ -230,6 +232,7 @@ union offset_union { #define __get32_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v, a = addr; \ @@ -3934,7 +3814,7 @@ index 9240364..a2b8cf3 100644 __get8_unaligned_check(ins,v,a,err); \ val = v << ((BE) ? 24 : 0); \ __get8_unaligned_check(ins,v,a,err); \ -@@ -237,6 +240,7 @@ union offset_union { +@@ -238,6 +241,7 @@ union offset_union { val |= v << ((BE) ? 8 : 16); \ __get8_unaligned_check(ins,v,a,err); \ val |= v << ((BE) ? 0 : 24); \ @@ -3942,7 +3822,7 @@ index 9240364..a2b8cf3 100644 if (err) \ goto fault; \ } while (0) -@@ -250,6 +254,7 @@ union offset_union { +@@ -251,6 +255,7 @@ union offset_union { #define __put16_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v = val, a = addr; \ @@ -3950,7 +3830,7 @@ index 9240364..a2b8cf3 100644 __asm__( FIRST_BYTE_16 \ ARM( "1: "ins" %1, [%2], #1\n" ) \ THUMB( "1: "ins" %1, [%2]\n" ) \ -@@ -269,6 +274,7 @@ union offset_union { +@@ -270,6 +275,7 @@ union offset_union { " .popsection\n" \ : "=r" (err), "=&r" (v), "=&r" (a) \ : "0" (err), "1" (v), "2" (a)); \ @@ -3958,7 +3838,7 @@ index 9240364..a2b8cf3 100644 if (err) \ goto fault; \ } while (0) -@@ -282,6 +288,7 @@ union offset_union { +@@ -283,6 +289,7 @@ union offset_union { #define __put32_unaligned_check(ins,val,addr) \ do { \ unsigned int err = 0, v = val, a = addr; \ @@ -3966,7 +3846,7 @@ index 9240364..a2b8cf3 100644 __asm__( FIRST_BYTE_32 \ ARM( "1: "ins" %1, [%2], #1\n" ) \ THUMB( "1: "ins" %1, [%2]\n" ) \ -@@ -311,6 +318,7 @@ union offset_union { +@@ -312,6 +319,7 @@ union offset_union { " .popsection\n" \ : "=r" (err), "=&r" (v), "=&r" (a) \ : "0" (err), "1" (v), "2" (a)); \ @@ -17848,7 +17728,7 @@ index 81bb91b..9392125 100644 /* diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h -index bbc8b12..f228861 100644 +index bbc8b12..a614983 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -45,6 +45,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); @@ -17859,7 +17739,7 @@ index bbc8b12..f228861 100644 #define pgd_clear(pgd) native_pgd_clear(pgd) #endif -@@ -82,12 +83,51 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); +@@ -82,12 +83,53 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); #define arch_end_context_switch(prev) do {} while(0) @@ -17880,6 +17760,7 @@ index bbc8b12..f228861 100644 + cr0 = read_cr0() ^ X86_CR0_WP; + BUG_ON(cr0 & X86_CR0_WP); + write_cr0(cr0); ++ barrier(); + return cr0 ^ X86_CR0_WP; +} + @@ -17887,6 +17768,7 @@ index bbc8b12..f228861 100644 +{ + unsigned long cr0; + ++ barrier(); + cr0 = read_cr0() ^ X86_CR0_WP; + BUG_ON(!(cr0 & X86_CR0_WP)); + write_cr0(cr0); @@ -17911,7 +17793,7 @@ index bbc8b12..f228861 100644 static inline int pte_dirty(pte_t pte) { return pte_flags(pte) & _PAGE_DIRTY; -@@ -148,6 +188,11 @@ static inline unsigned long pud_pfn(pud_t pud) +@@ -148,6 +190,11 @@ static inline unsigned long pud_pfn(pud_t pud) return (pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT; } @@ -17923,7 +17805,7 @@ index bbc8b12..f228861 100644 #define pte_page(pte) pfn_to_page(pte_pfn(pte)) static inline int pmd_large(pmd_t pte) -@@ -201,9 +246,29 @@ static inline pte_t pte_wrprotect(pte_t pte) +@@ -201,9 +248,29 @@ static inline pte_t pte_wrprotect(pte_t pte) return pte_clear_flags(pte, _PAGE_RW); } @@ -17954,7 +17836,7 @@ index bbc8b12..f228861 100644 } static inline pte_t pte_mkdirty(pte_t pte) -@@ -430,6 +495,16 @@ pte_t *populate_extra_pte(unsigned long vaddr); +@@ -430,6 +497,16 @@ pte_t *populate_extra_pte(unsigned long vaddr); #endif #ifndef __ASSEMBLY__ @@ -17971,7 +17853,7 @@ index bbc8b12..f228861 100644 #include <linux/mm_types.h> #include <linux/mmdebug.h> #include <linux/log2.h> -@@ -570,7 +645,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud) +@@ -570,7 +647,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud) * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ @@ -17980,7 +17862,7 @@ index bbc8b12..f228861 100644 /* Find an entry in the second-level page table.. */ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) -@@ -610,7 +685,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd) +@@ -610,7 +687,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd) * Currently stuck as a macro due to indirect forward reference to * linux/mmzone.h's __section_mem_map_addr() definition: */ @@ -17989,7 +17871,7 @@ index bbc8b12..f228861 100644 /* to find an entry in a page-table-directory. */ static inline unsigned long pud_index(unsigned long address) -@@ -625,7 +700,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) +@@ -625,7 +702,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) static inline int pgd_bad(pgd_t pgd) { @@ -17998,7 +17880,7 @@ index bbc8b12..f228861 100644 } static inline int pgd_none(pgd_t pgd) -@@ -648,7 +723,12 @@ static inline int pgd_none(pgd_t pgd) +@@ -648,7 +725,12 @@ static inline int pgd_none(pgd_t pgd) * pgd_offset() returns a (pgd_t *) * pgd_index() is used get the offset into the pgd page's array of pgd_t's; */ @@ -18012,7 +17894,7 @@ index bbc8b12..f228861 100644 /* * a shortcut which implies the use of the kernel's pgd, instead * of a process's -@@ -659,6 +739,23 @@ static inline int pgd_none(pgd_t pgd) +@@ -659,6 +741,23 @@ static inline int pgd_none(pgd_t pgd) #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET) #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY) @@ -18036,7 +17918,7 @@ index bbc8b12..f228861 100644 #ifndef __ASSEMBLY__ extern int direct_gbpages; -@@ -825,11 +922,24 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, +@@ -825,11 +924,24 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, * dst and src can be on the same page, but the range must not overlap, * and must not cross a page boundary. */ @@ -18142,10 +18024,10 @@ index ed5903b..c7fe163 100644 #define MODULES_END VMALLOC_END #define MODULES_LEN (MODULES_VADDR - MODULES_END) diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h -index e22c1db..82f2923 100644 +index d869931..82f2923 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h -@@ -16,10 +16,15 @@ +@@ -16,11 +16,15 @@ extern pud_t level3_kernel_pgt[512]; extern pud_t level3_ident_pgt[512]; @@ -18156,14 +18038,14 @@ index e22c1db..82f2923 100644 extern pmd_t level2_kernel_pgt[512]; extern pmd_t level2_fixmap_pgt[512]; -extern pmd_t level2_ident_pgt[512]; --extern pgd_t init_level4_pgt[]; +extern pmd_t level2_ident_pgt[512*2]; -+extern pte_t level1_fixmap_pgt[512]; + extern pte_t level1_fixmap_pgt[512]; +-extern pgd_t init_level4_pgt[]; +extern pgd_t init_level4_pgt[512]; #define swapper_pg_dir init_level4_pgt -@@ -61,7 +66,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) +@@ -62,7 +66,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) { @@ -18173,7 +18055,7 @@ index e22c1db..82f2923 100644 } static inline void native_pmd_clear(pmd_t *pmd) -@@ -97,7 +104,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) +@@ -98,7 +104,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) static inline void native_set_pud(pud_t *pudp, pud_t pud) { @@ -18183,7 +18065,7 @@ index e22c1db..82f2923 100644 } static inline void native_pud_clear(pud_t *pud) -@@ -107,6 +116,13 @@ static inline void native_pud_clear(pud_t *pud) +@@ -108,6 +116,13 @@ static inline void native_pud_clear(pud_t *pud) static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) { @@ -21792,7 +21674,7 @@ index 1340ebf..fc6d5c9 100644 intel_ds_init(); diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c -index 5ad35ad..e0a3960 100644 +index 95700e5..19779f8 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c +++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c @@ -425,7 +425,7 @@ static struct attribute *rapl_events_cln_attr[] = { @@ -27326,7 +27208,7 @@ index 7c3a5a6..f0a8961 100644 .smp_prepare_cpus = native_smp_prepare_cpus, .smp_cpus_done = native_smp_cpus_done, diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c -index 395be6d..11665af 100644 +index 68287653..3597685 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -229,14 +229,17 @@ static void notrace start_secondary(void *unused) @@ -35998,7 +35880,7 @@ index 201d09a..e4723e5 100644 #ifdef CONFIG_ACPI_NUMA diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c -index 2423ef0..a5f0379 100644 +index c83da6f..a5f0379 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -379,7 +379,7 @@ static pteval_t pte_mfn_to_pfn(pteval_t val) @@ -36010,63 +35892,17 @@ index 2423ef0..a5f0379 100644 { if (val & _PAGE_PRESENT) { unsigned long pfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT; -@@ -1866,12 +1866,11 @@ static void __init check_pt_base(unsigned long *pt_base, unsigned long *pt_end, - * - * We can construct this by grafting the Xen provided pagetable into - * head_64.S's preconstructed pagetables. We copy the Xen L2's into -- * level2_ident_pgt, level2_kernel_pgt and level2_fixmap_pgt. This -- * means that only the kernel has a physical mapping to start with - -- * but that's enough to get __va working. We need to fill in the rest -- * of the physical mapping once some sort of allocator has been set -- * up. -- * NOTE: for PVH, the page tables are native. -+ * level2_ident_pgt, and level2_kernel_pgt. This means that only the -+ * kernel has a physical mapping to start with - but that's enough to -+ * get __va working. We need to fill in the rest of the physical -+ * mapping once some sort of allocator has been set up. NOTE: for -+ * PVH, the page tables are native. - */ - void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - { -@@ -1902,8 +1901,14 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - /* L3_i[0] -> level2_ident_pgt */ - convert_pfn_mfn(level3_ident_pgt); +@@ -1903,6 +1903,9 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) /* L3_k[510] -> level2_kernel_pgt -- * L3_i[511] -> level2_fixmap_pgt */ -+ * L3_k[511] -> level2_fixmap_pgt */ + * L3_k[511] -> level2_fixmap_pgt */ convert_pfn_mfn(level3_kernel_pgt); + convert_pfn_mfn(level3_vmalloc_start_pgt); + convert_pfn_mfn(level3_vmalloc_end_pgt); + convert_pfn_mfn(level3_vmemmap_pgt); -+ -+ /* L3_k[511][506] -> level1_fixmap_pgt */ -+ convert_pfn_mfn(level2_fixmap_pgt); - } - /* We get [511][511] and have Xen's version of level2_kernel_pgt */ - l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd); -@@ -1913,30 +1918,29 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - addr[1] = (unsigned long)l3; - addr[2] = (unsigned long)l2; - /* Graft it onto L4[272][0]. Note that we creating an aliasing problem: -- * Both L4[272][0] and L4[511][511] have entries that point to the same -+ * Both L4[272][0] and L4[511][510] have entries that point to the same - * L2 (PMD) tables. Meaning that if you modify it in __va space - * it will be also modified in the __ka space! (But if you just - * modify the PMD table to point to other PTE's or none, then you - * are OK - which is what cleanup_highmap does) */ - copy_page(level2_ident_pgt, l2); -- /* Graft it onto L4[511][511] */ -+ /* Graft it onto L4[511][510] */ - copy_page(level2_kernel_pgt, l2); - -- /* Get [511][510] and graft that in level2_fixmap_pgt */ -- l3 = m2v(pgd[pgd_index(__START_KERNEL_map + PMD_SIZE)].pgd); -- l2 = m2v(l3[pud_index(__START_KERNEL_map + PMD_SIZE)].pud); -- copy_page(level2_fixmap_pgt, l2); -- /* Note that we don't do anything with level1_fixmap_pgt which -- * we don't need. */ - if (!xen_feature(XENFEAT_auto_translated_physmap)) { - /* Make pagetable pieces RO */ + + /* L3_k[511][506] -> level1_fixmap_pgt */ + convert_pfn_mfn(level2_fixmap_pgt); +@@ -1929,8 +1932,12 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO); set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO); @@ -36078,11 +35914,8 @@ index 2423ef0..a5f0379 100644 + set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO); set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); - - /* Pin down new L4 */ - pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE, -@@ -2123,6 +2127,7 @@ static void __init xen_post_allocator_init(void) + set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); +@@ -2120,6 +2127,7 @@ static void __init xen_post_allocator_init(void) pv_mmu_ops.set_pud = xen_set_pud; #if PAGETABLE_LEVELS == 4 pv_mmu_ops.set_pgd = xen_set_pgd; @@ -36090,7 +35923,7 @@ index 2423ef0..a5f0379 100644 #endif /* This will work as long as patching hasn't happened yet -@@ -2201,6 +2206,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { +@@ -2198,6 +2206,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { .pud_val = PV_CALLEE_SAVE(xen_pud_val), .make_pud = PV_CALLEE_SAVE(xen_make_pud), .set_pgd = xen_set_pgd_hyper, @@ -36437,10 +36270,10 @@ index a0926a6..b2b14b2 100644 err = -EFAULT; goto out; diff --git a/block/genhd.c b/block/genhd.c -index 791f419..89f21c4 100644 +index e6723bd..703e4ac 100644 --- a/block/genhd.c +++ b/block/genhd.c -@@ -467,21 +467,24 @@ static char *bdevt_str(dev_t devt, char *buf) +@@ -469,21 +469,24 @@ static char *bdevt_str(dev_t devt, char *buf) /* * Register device numbers dev..(dev+range-1) @@ -36748,7 +36581,7 @@ index 36605ab..6ef6d4b 100644 unsigned long timeout_msec) { diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c -index f761603..3042d5c 100644 +index 538574f..4344396 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -98,7 +98,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev); @@ -39568,10 +39401,10 @@ index 18448a7..d5fad43 100644 /* Force all MSRs to the same value */ diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c -index 153f4b9..d47054a 100644 +index 4159236..b850472 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c -@@ -1972,7 +1972,7 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor) +@@ -1974,7 +1974,7 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor) #endif mutex_lock(&cpufreq_governor_mutex); @@ -39580,7 +39413,7 @@ index 153f4b9..d47054a 100644 mutex_unlock(&cpufreq_governor_mutex); return; } -@@ -2202,7 +2202,7 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, +@@ -2204,7 +2204,7 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, return NOTIFY_OK; } @@ -39589,7 +39422,7 @@ index 153f4b9..d47054a 100644 .notifier_call = cpufreq_cpu_callback, }; -@@ -2242,13 +2242,17 @@ int cpufreq_boost_trigger_state(int state) +@@ -2244,13 +2244,17 @@ int cpufreq_boost_trigger_state(int state) return 0; write_lock_irqsave(&cpufreq_driver_lock, flags); @@ -39609,7 +39442,7 @@ index 153f4b9..d47054a 100644 write_unlock_irqrestore(&cpufreq_driver_lock, flags); pr_err("%s: Cannot %s BOOST\n", __func__, -@@ -2302,8 +2306,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) +@@ -2304,8 +2308,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) pr_debug("trying to register driver %s\n", driver_data->name); @@ -39623,7 +39456,7 @@ index 153f4b9..d47054a 100644 write_lock_irqsave(&cpufreq_driver_lock, flags); if (cpufreq_driver) { -@@ -2318,8 +2325,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) +@@ -2320,8 +2327,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) * Check if driver provides function to enable boost - * if not, use cpufreq_boost_set_sw as default */ @@ -41246,7 +41079,7 @@ index d45d50d..72a5dd2 100644 int diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c -index 471347e..5adc6b9d 100644 +index a92fb01..35e0602 100644 --- a/drivers/gpu/drm/nouveau/nouveau_vga.c +++ b/drivers/gpu/drm/nouveau/nouveau_vga.c @@ -67,7 +67,7 @@ nouveau_switcheroo_can_switch(struct pci_dev *pdev) @@ -41608,7 +41441,7 @@ index 4a85bb6..aaea819 100644 if (regcomp (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) { diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c -index 0bf6f4a..18e2437 100644 +index e39026c..b32e98e 100644 --- a/drivers/gpu/drm/radeon/radeon_device.c +++ b/drivers/gpu/drm/radeon/radeon_device.c @@ -1128,7 +1128,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) @@ -41828,22 +41661,6 @@ index dbc2def..0a9f710 100644 if (unlikely(ret != 0)) { kobject_put(&zone->kobj); return ret; -diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c -index 863bef9..cba15cf 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c -@@ -391,9 +391,9 @@ out: - static unsigned long - ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - { -- static atomic_t start_pool = ATOMIC_INIT(0); -+ static atomic_unchecked_t start_pool = ATOMIC_INIT(0); - unsigned i; -- unsigned pool_offset = atomic_add_return(1, &start_pool); -+ unsigned pool_offset = atomic_add_return_unchecked(1, &start_pool); - struct ttm_page_pool *pool; - int shrink_pages = sc->nr_to_scan; - unsigned long freed = 0; diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index dbadd49..1b7457b 100644 --- a/drivers/gpu/drm/udl/udl_fb.c @@ -41966,7 +41783,7 @@ index 0783155..b29e18e 100644 wait_queue_head_t fifo_queue; int fence_queue_waiters; /* Protected by hw_mutex */ diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -index 6ccd993..618d592 100644 +index 6eae14d..aa311b3 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c @@ -154,7 +154,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo) @@ -41978,7 +41795,7 @@ index 6ccd993..618d592 100644 iowrite32(dev_priv->last_read_seqno, fifo_mem + SVGA_FIFO_FENCE); vmw_marker_queue_init(&fifo->marker_queue); return vmw_fifo_send_fence(dev_priv, &dummy); -@@ -372,7 +372,7 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes) +@@ -373,7 +373,7 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes) if (reserveable) iowrite32(bytes, fifo_mem + SVGA_FIFO_RESERVED); @@ -41987,7 +41804,7 @@ index 6ccd993..618d592 100644 } else { need_bounce = true; } -@@ -492,7 +492,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) +@@ -493,7 +493,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) fm = vmw_fifo_reserve(dev_priv, bytes); if (unlikely(fm == NULL)) { @@ -41996,7 +41813,7 @@ index 6ccd993..618d592 100644 ret = -ENOMEM; (void)vmw_fallback_wait(dev_priv, false, true, *seqno, false, 3*HZ); -@@ -500,7 +500,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) +@@ -501,7 +501,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) } do { @@ -42082,7 +41899,7 @@ index 8a8725c2..afed796 100644 marker = list_first_entry(&queue->head, struct vmw_marker, head); diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c -index 6866448..2ad2b34 100644 +index 37ac7b5..d52a5c9 100644 --- a/drivers/gpu/vga/vga_switcheroo.c +++ b/drivers/gpu/vga/vga_switcheroo.c @@ -644,7 +644,7 @@ static int vga_switcheroo_runtime_resume(struct device *dev) @@ -42094,7 +41911,7 @@ index 6866448..2ad2b34 100644 { /* copy over all the bus versions */ if (dev->bus && dev->bus->pm) { -@@ -689,7 +689,7 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) +@@ -695,7 +695,7 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) return ret; } @@ -42125,51 +41942,6 @@ index 7cd42ea..a367c48 100644 hid_debug_register(hdev, dev_name(&hdev->dev)); ret = device_add(&hdev->dev); -diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c -index 3b43d1c..991ba79 100644 ---- a/drivers/hid/hid-magicmouse.c -+++ b/drivers/hid/hid-magicmouse.c -@@ -290,6 +290,11 @@ static int magicmouse_raw_event(struct hid_device *hdev, - if (size < 4 || ((size - 4) % 9) != 0) - return 0; - npoints = (size - 4) / 9; -+ if (npoints > 15) { -+ hid_warn(hdev, "invalid size value (%d) for TRACKPAD_REPORT_ID\n", -+ size); -+ return 0; -+ } - msc->ntouches = 0; - for (ii = 0; ii < npoints; ii++) - magicmouse_emit_touch(msc, ii, data + ii * 9 + 4); -@@ -307,6 +312,11 @@ static int magicmouse_raw_event(struct hid_device *hdev, - if (size < 6 || ((size - 6) % 8) != 0) - return 0; - npoints = (size - 6) / 8; -+ if (npoints > 15) { -+ hid_warn(hdev, "invalid size value (%d) for MOUSE_REPORT_ID\n", -+ size); -+ return 0; -+ } - msc->ntouches = 0; - for (ii = 0; ii < npoints; ii++) - magicmouse_emit_touch(msc, ii, data + ii * 8 + 6); -diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c -index acbb0210..020df3c 100644 ---- a/drivers/hid/hid-picolcd_core.c -+++ b/drivers/hid/hid-picolcd_core.c -@@ -350,6 +350,12 @@ static int picolcd_raw_event(struct hid_device *hdev, - if (!data) - return 1; - -+ if (size > 64) { -+ hid_warn(hdev, "invalid size value (%d) for picolcd raw event\n", -+ size); -+ return 0; -+ } -+ - if (report->id == REPORT_KEY_STATE) { - if (data->input_keys) - ret = picolcd_raw_keypad(data, report, raw_data+1, size-1); diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c index c13fb5b..55a3802 100644 --- a/drivers/hid/hid-wiimote-debug.c @@ -44879,10 +44651,10 @@ index 3e6d115..ffecdeb 100644 /*----------------------------------------------------------------*/ diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c -index d7690f8..3db9ef1 100644 +index 55de4f6..b1c57fe 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c -@@ -1931,7 +1931,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) +@@ -1936,7 +1936,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) if (r1_sync_page_io(rdev, sect, s, bio->bi_io_vec[idx].bv_page, READ) != 0) @@ -44891,8 +44663,8 @@ index d7690f8..3db9ef1 100644 } sectors -= s; sect += s; -@@ -2165,7 +2165,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk, - test_bit(In_sync, &rdev->flags)) { +@@ -2170,7 +2170,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk, + !test_bit(Faulty, &rdev->flags)) { if (r1_sync_page_io(rdev, sect, s, conf->tmppage, READ)) { - atomic_add(s, &rdev->corrected_errors); @@ -50511,32 +50283,6 @@ index 1b3a094..068e683 100644 } } EXPORT_SYMBOL(fc_exch_update_stats); -diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c -index 4046241..4549986 100644 ---- a/drivers/scsi/libiscsi.c -+++ b/drivers/scsi/libiscsi.c -@@ -717,11 +717,21 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, - return NULL; - } - -+ if (data_size > ISCSI_DEF_MAX_RECV_SEG_LEN) { -+ iscsi_conn_printk(KERN_ERR, conn, "Invalid buffer len of %u for login task. Max len is %u\n", data_size, ISCSI_DEF_MAX_RECV_SEG_LEN); -+ return NULL; -+ } -+ - task = conn->login_task; - } else { - if (session->state != ISCSI_STATE_LOGGED_IN) - return NULL; - -+ if (data_size != 0) { -+ iscsi_conn_printk(KERN_ERR, conn, "Can not send data buffer of len %u for op 0x%x\n", data_size, opcode); -+ return NULL; -+ } -+ - BUG_ON(conn->c_stage == ISCSI_CONN_INITIAL_STAGE); - BUG_ON(conn->c_stage == ISCSI_CONN_STOPPED); - diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index d289583..b745eec 100644 --- a/drivers/scsi/libsas/sas_ata.c @@ -53439,7 +53185,7 @@ index 2518c32..1c201bb 100644 wake_up(&usb_kill_urb_queue); usb_put_urb(urb); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 6650df7..3a94427 100644 +index 263612c..dbc0f3d 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -27,6 +27,7 @@ @@ -57453,10 +57199,10 @@ index ce25d75..dc09eeb 100644 &data); if (!inode) { diff --git a/fs/aio.c b/fs/aio.c -index 6d68e01..6bc8e9a 100644 +index f45ddaa..0160abc 100644 --- a/fs/aio.c +++ b/fs/aio.c -@@ -380,7 +380,7 @@ static int aio_setup_ring(struct kioctx *ctx) +@@ -381,7 +381,7 @@ static int aio_setup_ring(struct kioctx *ctx) size += sizeof(struct io_event) * nr_events; nr_pages = PFN_UP(size); @@ -57465,19 +57211,6 @@ index 6d68e01..6bc8e9a 100644 return -EINVAL; file = aio_private_file(ctx, nr_pages); -@@ -1065,6 +1065,12 @@ static long aio_read_events_ring(struct kioctx *ctx, - tail = ring->tail; - kunmap_atomic(ring); - -+ /* -+ * Ensure that once we've read the current tail pointer, that -+ * we also see the events that were stored up to the tail. -+ */ -+ smp_rmb(); -+ - pr_debug("h%u t%u m%u\n", head, tail, ctx->nr_events); - - if (head == tail) diff --git a/fs/attr.c b/fs/attr.c index 6530ced..4a827e2 100644 --- a/fs/attr.c @@ -58782,30 +58515,10 @@ index ff286f3..8153a14 100644 .attrs = attrs, }; diff --git a/fs/buffer.c b/fs/buffer.c -index 27265a8..8673b7b 100644 +index 71e2d0e..8673b7b 100644 --- a/fs/buffer.c +++ b/fs/buffer.c -@@ -1029,7 +1029,8 @@ grow_dev_page(struct block_device *bdev, sector_t block, - bh = page_buffers(page); - if (bh->b_size == size) { - end_block = init_page_buffers(page, bdev, -- index << sizebits, size); -+ (sector_t)index << sizebits, -+ size); - goto done; - } - if (!try_to_free_buffers(page)) -@@ -1050,7 +1051,8 @@ grow_dev_page(struct block_device *bdev, sector_t block, - */ - spin_lock(&inode->i_mapping->private_lock); - link_dev_buffers(page, bh); -- end_block = init_page_buffers(page, bdev, index << sizebits, size); -+ end_block = init_page_buffers(page, bdev, (sector_t)index << sizebits, -+ size); - spin_unlock(&inode->i_mapping->private_lock); - done: - ret = (block < end_block) ? 1 : -ENXIO; -@@ -3428,7 +3430,7 @@ void __init buffer_init(void) +@@ -3430,7 +3430,7 @@ void __init buffer_init(void) bh_cachep = kmem_cache_create("buffer_head", sizeof(struct buffer_head), 0, (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| @@ -59232,9 +58945,18 @@ index 3b0c62e..f7d090c 100644 } diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c -index d1fdfa8..94558f8 100644 +index d1fdfa8..186defc 100644 --- a/fs/cifs/smb1ops.c +++ b/fs/cifs/smb1ops.c +@@ -586,7 +586,7 @@ cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, + tmprc = CIFS_open(xid, &oparms, &oplock, NULL); + if (tmprc == -EOPNOTSUPP) + *symlink = true; +- else ++ else if (tmprc == 0) + CIFSSMBClose(xid, tcon, fid.netfid); + } + @@ -626,27 +626,27 @@ static void cifs_clear_stats(struct cifs_tcon *tcon) { @@ -59340,6 +59062,19 @@ index d1fdfa8..94558f8 100644 #endif } +diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c +index e31a9df..1007867 100644 +--- a/fs/cifs/smb2maperror.c ++++ b/fs/cifs/smb2maperror.c +@@ -256,6 +256,8 @@ static const struct status_to_posix_error smb2_error_map_table[] = { + {STATUS_DLL_MIGHT_BE_INCOMPATIBLE, -EIO, + "STATUS_DLL_MIGHT_BE_INCOMPATIBLE"}, + {STATUS_STOPPED_ON_SYMLINK, -EOPNOTSUPP, "STATUS_STOPPED_ON_SYMLINK"}, ++ {STATUS_IO_REPARSE_TAG_NOT_HANDLED, -EOPNOTSUPP, ++ "STATUS_REPARSE_NOT_HANDLED"}, + {STATUS_DEVICE_REQUIRES_CLEANING, -EIO, + "STATUS_DEVICE_REQUIRES_CLEANING"}, + {STATUS_DEVICE_DOOR_OPEN, -EIO, "STATUS_DEVICE_DOOR_OPEN"}, diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index f8977b2..bb38079 100644 --- a/fs/cifs/smb2ops.c @@ -63141,7 +62876,7 @@ index b29e42f..5ea7fdf 100644 #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */ diff --git a/fs/namei.c b/fs/namei.c -index d5a4fae..27e6c48 100644 +index dd2f2c5..27e6c48 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -331,17 +331,34 @@ int generic_permission(struct inode *inode, int mask) @@ -63197,42 +62932,7 @@ index d5a4fae..27e6c48 100644 return -EACCES; } -@@ -642,24 +651,22 @@ static int complete_walk(struct nameidata *nd) - - static __always_inline void set_root(struct nameidata *nd) - { -- if (!nd->root.mnt) -- get_fs_root(current->fs, &nd->root); -+ get_fs_root(current->fs, &nd->root); - } - - static int link_path_walk(const char *, struct nameidata *); - --static __always_inline void set_root_rcu(struct nameidata *nd) -+static __always_inline unsigned set_root_rcu(struct nameidata *nd) - { -- if (!nd->root.mnt) { -- struct fs_struct *fs = current->fs; -- unsigned seq; -+ struct fs_struct *fs = current->fs; -+ unsigned seq, res; - -- do { -- seq = read_seqcount_begin(&fs->seq); -- nd->root = fs->root; -- nd->seq = __read_seqcount_begin(&nd->root.dentry->d_seq); -- } while (read_seqcount_retry(&fs->seq, seq)); -- } -+ do { -+ seq = read_seqcount_begin(&fs->seq); -+ nd->root = fs->root; -+ res = __read_seqcount_begin(&nd->root.dentry->d_seq); -+ } while (read_seqcount_retry(&fs->seq, seq)); -+ return res; - } - - static void path_put_conditional(struct path *path, struct nameidata *nd) -@@ -823,7 +830,7 @@ follow_link(struct path *link, struct nameidata *nd, void **p) +@@ -821,7 +830,7 @@ follow_link(struct path *link, struct nameidata *nd, void **p) { struct dentry *dentry = link->dentry; int error; @@ -63241,7 +62941,7 @@ index d5a4fae..27e6c48 100644 BUG_ON(nd->flags & LOOKUP_RCU); -@@ -844,6 +851,12 @@ follow_link(struct path *link, struct nameidata *nd, void **p) +@@ -842,6 +851,12 @@ follow_link(struct path *link, struct nameidata *nd, void **p) if (error) goto out_put_nd_path; @@ -63254,27 +62954,14 @@ index d5a4fae..27e6c48 100644 nd->last_type = LAST_BIND; *p = dentry->d_inode->i_op->follow_link(dentry, nd); error = PTR_ERR(*p); -@@ -859,7 +872,8 @@ follow_link(struct path *link, struct nameidata *nd, void **p) - return PTR_ERR(s); - } - if (*s == '/') { -- set_root(nd); -+ if (!nd->root.mnt) -+ set_root(nd); - path_put(&nd->path); - nd->path = nd->root; - path_get(&nd->root); -@@ -1132,7 +1146,9 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, +@@ -1131,6 +1146,7 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, static int follow_dotdot_rcu(struct nameidata *nd) { -- set_root_rcu(nd); + struct inode *inode = nd->inode; -+ if (!nd->root.mnt) -+ set_root_rcu(nd); + if (!nd->root.mnt) + set_root_rcu(nd); - while (1) { - if (nd->path.dentry == nd->root.dentry && @@ -1144,6 +1160,7 @@ static int follow_dotdot_rcu(struct nameidata *nd) struct dentry *parent = old->d_parent; unsigned seq; @@ -63305,17 +62992,7 @@ index d5a4fae..27e6c48 100644 return 0; failed: -@@ -1244,7 +1263,8 @@ static void follow_mount(struct path *path) - - static void follow_dotdot(struct nameidata *nd) - { -- set_root(nd); -+ if (!nd->root.mnt) -+ set_root(nd); - - while(1) { - struct dentry *old = nd->path.dentry; -@@ -1592,6 +1612,8 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd) +@@ -1593,6 +1612,8 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd) if (res) break; res = walk_component(nd, path, LOOKUP_FOLLOW); @@ -63324,7 +63001,7 @@ index d5a4fae..27e6c48 100644 put_link(nd, &link, cookie); } while (res > 0); -@@ -1664,7 +1686,7 @@ EXPORT_SYMBOL(full_name_hash); +@@ -1665,7 +1686,7 @@ EXPORT_SYMBOL(full_name_hash); static inline unsigned long hash_name(const char *name, unsigned int *hashp) { unsigned long a, b, adata, bdata, mask, hash, len; @@ -63333,16 +63010,7 @@ index d5a4fae..27e6c48 100644 hash = a = 0; len = -sizeof(unsigned long); -@@ -1842,7 +1864,7 @@ static int path_init(int dfd, const char *name, unsigned int flags, - if (*name=='/') { - if (flags & LOOKUP_RCU) { - rcu_read_lock(); -- set_root_rcu(nd); -+ nd->seq = set_root_rcu(nd); - } else { - set_root(nd); - path_get(&nd->root); -@@ -1893,7 +1915,14 @@ static int path_init(int dfd, const char *name, unsigned int flags, +@@ -1894,7 +1915,14 @@ static int path_init(int dfd, const char *name, unsigned int flags, } nd->inode = nd->path.dentry->d_inode; @@ -63358,7 +63026,7 @@ index d5a4fae..27e6c48 100644 } static inline int lookup_last(struct nameidata *nd, struct path *path) -@@ -1948,6 +1977,8 @@ static int path_lookupat(int dfd, const char *name, +@@ -1949,6 +1977,8 @@ static int path_lookupat(int dfd, const char *name, if (err) break; err = lookup_last(nd, &path); @@ -63367,7 +63035,7 @@ index d5a4fae..27e6c48 100644 put_link(nd, &link, cookie); } } -@@ -1955,6 +1986,13 @@ static int path_lookupat(int dfd, const char *name, +@@ -1956,6 +1986,13 @@ static int path_lookupat(int dfd, const char *name, if (!err) err = complete_walk(nd); @@ -63381,7 +63049,7 @@ index d5a4fae..27e6c48 100644 if (!err && nd->flags & LOOKUP_DIRECTORY) { if (!d_can_lookup(nd->path.dentry)) { path_put(&nd->path); -@@ -1982,8 +2020,15 @@ static int filename_lookup(int dfd, struct filename *name, +@@ -1983,8 +2020,15 @@ static int filename_lookup(int dfd, struct filename *name, retval = path_lookupat(dfd, name->name, flags | LOOKUP_REVAL, nd); @@ -63398,7 +63066,7 @@ index d5a4fae..27e6c48 100644 return retval; } -@@ -2558,6 +2603,13 @@ static int may_open(struct path *path, int acc_mode, int flag) +@@ -2559,6 +2603,13 @@ static int may_open(struct path *path, int acc_mode, int flag) if (flag & O_NOATIME && !inode_owner_or_capable(inode)) return -EPERM; @@ -63412,7 +63080,7 @@ index d5a4fae..27e6c48 100644 return 0; } -@@ -2789,7 +2841,7 @@ looked_up: +@@ -2790,7 +2841,7 @@ looked_up: * cleared otherwise prior to returning. */ static int lookup_open(struct nameidata *nd, struct path *path, @@ -63421,7 +63089,7 @@ index d5a4fae..27e6c48 100644 const struct open_flags *op, bool got_write, int *opened) { -@@ -2824,6 +2876,17 @@ static int lookup_open(struct nameidata *nd, struct path *path, +@@ -2825,6 +2876,17 @@ static int lookup_open(struct nameidata *nd, struct path *path, /* Negative dentry, just create the file */ if (!dentry->d_inode && (op->open_flag & O_CREAT)) { umode_t mode = op->mode; @@ -63439,7 +63107,7 @@ index d5a4fae..27e6c48 100644 if (!IS_POSIXACL(dir->d_inode)) mode &= ~current_umask(); /* -@@ -2845,6 +2908,8 @@ static int lookup_open(struct nameidata *nd, struct path *path, +@@ -2846,6 +2908,8 @@ static int lookup_open(struct nameidata *nd, struct path *path, nd->flags & LOOKUP_EXCL); if (error) goto out_dput; @@ -63448,7 +63116,7 @@ index d5a4fae..27e6c48 100644 } out_no_open: path->dentry = dentry; -@@ -2859,7 +2924,7 @@ out_dput: +@@ -2860,7 +2924,7 @@ out_dput: /* * Handle the last step of open() */ @@ -63457,7 +63125,7 @@ index d5a4fae..27e6c48 100644 struct file *file, const struct open_flags *op, int *opened, struct filename *name) { -@@ -2909,6 +2974,15 @@ static int do_last(struct nameidata *nd, struct path *path, +@@ -2910,6 +2974,15 @@ static int do_last(struct nameidata *nd, struct path *path, if (error) return error; @@ -63473,7 +63141,7 @@ index d5a4fae..27e6c48 100644 audit_inode(name, dir, LOOKUP_PARENT); error = -EISDIR; /* trailing slashes? */ -@@ -2928,7 +3002,7 @@ retry_lookup: +@@ -2929,7 +3002,7 @@ retry_lookup: */ } mutex_lock(&dir->d_inode->i_mutex); @@ -63482,7 +63150,7 @@ index d5a4fae..27e6c48 100644 mutex_unlock(&dir->d_inode->i_mutex); if (error <= 0) { -@@ -2952,11 +3026,28 @@ retry_lookup: +@@ -2953,11 +3026,28 @@ retry_lookup: goto finish_open_created; } @@ -63512,7 +63180,7 @@ index d5a4fae..27e6c48 100644 /* * If atomic_open() acquired write access it is dropped now due to -@@ -2997,6 +3088,11 @@ finish_lookup: +@@ -2998,6 +3088,11 @@ finish_lookup: } } BUG_ON(inode != path->dentry->d_inode); @@ -63524,7 +63192,7 @@ index d5a4fae..27e6c48 100644 return 1; } -@@ -3006,7 +3102,6 @@ finish_lookup: +@@ -3007,7 +3102,6 @@ finish_lookup: save_parent.dentry = nd->path.dentry; save_parent.mnt = mntget(path->mnt); nd->path.dentry = path->dentry; @@ -63532,7 +63200,7 @@ index d5a4fae..27e6c48 100644 } nd->inode = inode; /* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */ -@@ -3016,7 +3111,18 @@ finish_open: +@@ -3017,7 +3111,18 @@ finish_open: path_put(&save_parent); return error; } @@ -63551,7 +63219,7 @@ index d5a4fae..27e6c48 100644 error = -EISDIR; if ((open_flag & O_CREAT) && d_is_dir(nd->path.dentry)) goto out; -@@ -3179,7 +3285,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, +@@ -3180,7 +3285,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, if (unlikely(error)) goto out; @@ -63560,7 +63228,7 @@ index d5a4fae..27e6c48 100644 while (unlikely(error > 0)) { /* trailing symlink */ struct path link = path; void *cookie; -@@ -3197,7 +3303,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, +@@ -3198,7 +3303,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, error = follow_link(&link, nd, &cookie); if (unlikely(error)) break; @@ -63569,7 +63237,7 @@ index d5a4fae..27e6c48 100644 put_link(nd, &link, cookie); } out: -@@ -3297,9 +3403,11 @@ struct dentry *kern_path_create(int dfd, const char *pathname, +@@ -3298,9 +3403,11 @@ struct dentry *kern_path_create(int dfd, const char *pathname, goto unlock; error = -EEXIST; @@ -63583,7 +63251,7 @@ index d5a4fae..27e6c48 100644 /* * Special case - lookup gave negative, but... we had foo/bar/ * From the vfs_mknod() POV we just have a negative dentry - -@@ -3351,6 +3459,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, +@@ -3352,6 +3459,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, } EXPORT_SYMBOL(user_path_create); @@ -63604,7 +63272,7 @@ index d5a4fae..27e6c48 100644 int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { int error = may_create(dir, dentry); -@@ -3413,6 +3535,17 @@ retry: +@@ -3414,6 +3535,17 @@ retry: if (!IS_POSIXACL(path.dentry->d_inode)) mode &= ~current_umask(); @@ -63622,7 +63290,7 @@ index d5a4fae..27e6c48 100644 error = security_path_mknod(&path, dentry, mode, dev); if (error) goto out; -@@ -3429,6 +3562,8 @@ retry: +@@ -3430,6 +3562,8 @@ retry: break; } out: @@ -63631,7 +63299,7 @@ index d5a4fae..27e6c48 100644 done_path_create(&path, dentry); if (retry_estale(error, lookup_flags)) { lookup_flags |= LOOKUP_REVAL; -@@ -3481,9 +3616,16 @@ retry: +@@ -3482,9 +3616,16 @@ retry: if (!IS_POSIXACL(path.dentry->d_inode)) mode &= ~current_umask(); @@ -63648,7 +63316,7 @@ index d5a4fae..27e6c48 100644 done_path_create(&path, dentry); if (retry_estale(error, lookup_flags)) { lookup_flags |= LOOKUP_REVAL; -@@ -3564,6 +3706,8 @@ static long do_rmdir(int dfd, const char __user *pathname) +@@ -3565,6 +3706,8 @@ static long do_rmdir(int dfd, const char __user *pathname) struct filename *name; struct dentry *dentry; struct nameidata nd; @@ -63657,7 +63325,7 @@ index d5a4fae..27e6c48 100644 unsigned int lookup_flags = 0; retry: name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3596,10 +3740,21 @@ retry: +@@ -3597,10 +3740,21 @@ retry: error = -ENOENT; goto exit3; } @@ -63679,7 +63347,7 @@ index d5a4fae..27e6c48 100644 exit3: dput(dentry); exit2: -@@ -3689,6 +3844,8 @@ static long do_unlinkat(int dfd, const char __user *pathname) +@@ -3690,6 +3844,8 @@ static long do_unlinkat(int dfd, const char __user *pathname) struct nameidata nd; struct inode *inode = NULL; struct inode *delegated_inode = NULL; @@ -63688,7 +63356,7 @@ index d5a4fae..27e6c48 100644 unsigned int lookup_flags = 0; retry: name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3715,10 +3872,22 @@ retry_deleg: +@@ -3716,10 +3872,22 @@ retry_deleg: if (d_is_negative(dentry)) goto slashes; ihold(inode); @@ -63711,7 +63379,7 @@ index d5a4fae..27e6c48 100644 exit2: dput(dentry); } -@@ -3806,9 +3975,17 @@ retry: +@@ -3807,9 +3975,17 @@ retry: if (IS_ERR(dentry)) goto out_putname; @@ -63729,7 +63397,7 @@ index d5a4fae..27e6c48 100644 done_path_create(&path, dentry); if (retry_estale(error, lookup_flags)) { lookup_flags |= LOOKUP_REVAL; -@@ -3911,6 +4088,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, +@@ -3912,6 +4088,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, struct dentry *new_dentry; struct path old_path, new_path; struct inode *delegated_inode = NULL; @@ -63737,7 +63405,7 @@ index d5a4fae..27e6c48 100644 int how = 0; int error; -@@ -3934,7 +4112,7 @@ retry: +@@ -3935,7 +4112,7 @@ retry: if (error) return error; @@ -63746,7 +63414,7 @@ index d5a4fae..27e6c48 100644 (how & LOOKUP_REVAL)); error = PTR_ERR(new_dentry); if (IS_ERR(new_dentry)) -@@ -3946,11 +4124,28 @@ retry: +@@ -3947,11 +4124,28 @@ retry: error = may_linkat(&old_path); if (unlikely(error)) goto out_dput; @@ -63775,7 +63443,7 @@ index d5a4fae..27e6c48 100644 done_path_create(&new_path, new_dentry); if (delegated_inode) { error = break_deleg_wait(&delegated_inode); -@@ -4237,6 +4432,12 @@ retry_deleg: +@@ -4238,6 +4432,12 @@ retry_deleg: if (new_dentry == trap) goto exit5; @@ -63788,7 +63456,7 @@ index d5a4fae..27e6c48 100644 error = security_path_rename(&oldnd.path, old_dentry, &newnd.path, new_dentry); if (error) -@@ -4244,6 +4445,9 @@ retry_deleg: +@@ -4245,6 +4445,9 @@ retry_deleg: error = vfs_rename(old_dir->d_inode, old_dentry, new_dir->d_inode, new_dentry, &delegated_inode); @@ -63798,7 +63466,7 @@ index d5a4fae..27e6c48 100644 exit5: dput(new_dentry); exit4: -@@ -4280,6 +4484,8 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna +@@ -4281,6 +4484,8 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const char *link) { @@ -63807,7 +63475,7 @@ index d5a4fae..27e6c48 100644 int len; len = PTR_ERR(link); -@@ -4289,7 +4495,14 @@ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const c +@@ -4290,7 +4495,14 @@ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const c len = strlen(link); if (len > (unsigned) buflen) len = buflen; @@ -64208,28 +63876,6 @@ index 287a22c..4e56e4e 100644 group->fanotify_data.f_flags = event_f_flags; #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS oevent->response = 0; -diff --git a/fs/notify/fdinfo.c b/fs/notify/fdinfo.c -index 238a593..9d7e2b9 100644 ---- a/fs/notify/fdinfo.c -+++ b/fs/notify/fdinfo.c -@@ -42,7 +42,7 @@ static int show_mark_fhandle(struct seq_file *m, struct inode *inode) - { - struct { - struct file_handle handle; -- u8 pad[64]; -+ u8 pad[MAX_HANDLE_SZ]; - } f; - int size, ret, i; - -@@ -50,7 +50,7 @@ static int show_mark_fhandle(struct seq_file *m, struct inode *inode) - size = f.handle.handle_bytes >> 2; - - ret = exportfs_encode_inode_fh(inode, (struct fid *)f.handle.f_handle, &size, 0); -- if ((ret == 255) || (ret == -ENOSPC)) { -+ if ((ret == FILEID_INVALID) || (ret < 0)) { - WARN_ONCE(1, "Can't encode file handler for inotify: %d\n", ret); - return 0; - } diff --git a/fs/notify/notification.c b/fs/notify/notification.c index 1e58402..bb2d6f4 100644 --- a/fs/notify/notification.c @@ -85084,27 +84730,29 @@ index 6f8fbcf..4efc177 100644 + MODULE_GRSEC MODULE_RANDSTRUCT_PLUGIN diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h -index 502073a..a7de024 100644 +index b483abd..af305ad 100644 --- a/include/linux/vga_switcheroo.h +++ b/include/linux/vga_switcheroo.h -@@ -63,8 +63,8 @@ int vga_switcheroo_get_client_state(struct pci_dev *dev); +@@ -63,9 +63,9 @@ int vga_switcheroo_get_client_state(struct pci_dev *dev); void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); -int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain); --int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain); +int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain); + void vga_switcheroo_fini_domain_pm_ops(struct device *dev); +-int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain); +int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain); #else static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} -@@ -81,8 +81,8 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return +@@ -82,9 +82,9 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} -static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } --static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } +static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; } + static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {} +-static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } +static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; } #endif @@ -86492,7 +86140,7 @@ index fe94bb9..c9e51c2 100644 } __attribute__ ((packed)); diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h -index c38355c..17a57bc 100644 +index 1590c49..5eab462 100644 --- a/include/uapi/linux/xattr.h +++ b/include/uapi/linux/xattr.h @@ -73,5 +73,9 @@ @@ -87537,10 +87185,10 @@ index 00adb21..d5954a8 100644 +} +EXPORT_SYMBOL(capable_wrt_inode_uidgid_nolog); diff --git a/kernel/cgroup.c b/kernel/cgroup.c -index 0c753dd..3ce8cca 100644 +index 550e205..b0a7f7d 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c -@@ -5190,6 +5190,14 @@ static void cgroup_release_agent(struct work_struct *work) +@@ -5189,6 +5189,14 @@ static void cgroup_release_agent(struct work_struct *work) release_list); list_del_init(&cgrp->release_list); raw_spin_unlock(&release_list_lock); @@ -87555,7 +87203,7 @@ index 0c753dd..3ce8cca 100644 pathbuf = kmalloc(PAGE_SIZE, GFP_KERNEL); if (!pathbuf) goto continue_free; -@@ -5372,7 +5380,7 @@ static int cgroup_css_links_read(struct seq_file *seq, void *v) +@@ -5371,7 +5379,7 @@ static int cgroup_css_links_read(struct seq_file *seq, void *v) struct css_set *cset = link->cset; struct task_struct *task; int count = 0; @@ -87981,7 +87629,7 @@ index 0b097c8..11dd5c5 100644 #ifdef CONFIG_MODULE_UNLOAD { diff --git a/kernel/events/core.c b/kernel/events/core.c -index f774e93..c602612 100644 +index 3a140ca..6624485 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -158,8 +158,15 @@ static struct srcu_struct pmus_srcu; @@ -88019,7 +87667,7 @@ index f774e93..c602612 100644 static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx, enum event_type_t event_type); -@@ -3000,7 +3007,7 @@ static void __perf_event_read(void *info) +@@ -3010,7 +3017,7 @@ static void __perf_event_read(void *info) static inline u64 perf_event_count(struct perf_event *event) { @@ -88028,7 +87676,7 @@ index f774e93..c602612 100644 } static u64 perf_event_read(struct perf_event *event) -@@ -3365,9 +3372,9 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running) +@@ -3375,9 +3382,9 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running) mutex_lock(&event->child_mutex); total += perf_event_read(event); *enabled += event->total_time_enabled + @@ -88040,7 +87688,7 @@ index f774e93..c602612 100644 list_for_each_entry(child, &event->child_list, child_list) { total += perf_event_read(child); -@@ -3796,10 +3803,10 @@ void perf_event_update_userpage(struct perf_event *event) +@@ -3806,10 +3813,10 @@ void perf_event_update_userpage(struct perf_event *event) userpg->offset -= local64_read(&event->hw.prev_count); userpg->time_enabled = enabled + @@ -88053,7 +87701,7 @@ index f774e93..c602612 100644 arch_perf_update_userpage(userpg, now); -@@ -4350,7 +4357,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size, +@@ -4360,7 +4367,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size, /* Data. */ sp = perf_user_stack_pointer(regs); @@ -88062,7 +87710,7 @@ index f774e93..c602612 100644 dyn_size = dump_size - rem; perf_output_skip(handle, rem); -@@ -4441,11 +4448,11 @@ static void perf_output_read_one(struct perf_output_handle *handle, +@@ -4451,11 +4458,11 @@ static void perf_output_read_one(struct perf_output_handle *handle, values[n++] = perf_event_count(event); if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { values[n++] = enabled + @@ -88076,7 +87724,7 @@ index f774e93..c602612 100644 } if (read_format & PERF_FORMAT_ID) values[n++] = primary_event_id(event); -@@ -6724,7 +6731,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, +@@ -6734,7 +6741,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, event->parent = parent_event; event->ns = get_pid_ns(task_active_pid_ns(current)); @@ -88085,7 +87733,7 @@ index f774e93..c602612 100644 event->state = PERF_EVENT_STATE_INACTIVE; -@@ -7024,6 +7031,11 @@ SYSCALL_DEFINE5(perf_event_open, +@@ -7034,6 +7041,11 @@ SYSCALL_DEFINE5(perf_event_open, if (flags & ~PERF_FLAG_ALL) return -EINVAL; @@ -88097,7 +87745,7 @@ index f774e93..c602612 100644 err = perf_copy_attr(attr_uptr, &attr); if (err) return err; -@@ -7362,10 +7374,10 @@ static void sync_child_event(struct perf_event *child_event, +@@ -7372,10 +7384,10 @@ static void sync_child_event(struct perf_event *child_event, /* * Add back the child's count to the parent's count: */ @@ -88111,6 +87759,18 @@ index f774e93..c602612 100644 &parent_event->child_total_time_running); /* +@@ -7836,8 +7848,10 @@ int perf_event_init_task(struct task_struct *child) + + for_each_task_context_nr(ctxn) { + ret = perf_event_init_context(child, ctxn); +- if (ret) ++ if (ret) { ++ perf_event_free_task(child); + return ret; ++ } + } + + return 0; diff --git a/kernel/events/internal.h b/kernel/events/internal.h index 569b2187..19940d9 100644 --- a/kernel/events/internal.h @@ -88229,7 +87889,7 @@ index 81b3d67..ef189a4 100644 { struct signal_struct *sig = current->signal; diff --git a/kernel/fork.c b/kernel/fork.c -index c44bff8..a3c5876 100644 +index c44bff8..7361260 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -180,6 +180,48 @@ void thread_info_cache_init(void) @@ -88599,6 +88259,15 @@ index c44bff8..a3c5876 100644 if (atomic_read(&p->real_cred->user->processes) >= task_rlimit(p, RLIMIT_NPROC)) { if (p->real_cred->user != INIT_USER && +@@ -1323,7 +1428,7 @@ static struct task_struct *copy_process(unsigned long clone_flags, + goto bad_fork_cleanup_policy; + retval = audit_alloc(p); + if (retval) +- goto bad_fork_cleanup_policy; ++ goto bad_fork_cleanup_perf; + /* copy all the process information */ + retval = copy_semundo(clone_flags, p); + if (retval) @@ -1449,6 +1554,11 @@ static struct task_struct *copy_process(unsigned long clone_flags, goto bad_fork_free_pid; } @@ -88611,7 +88280,18 @@ index c44bff8..a3c5876 100644 if (likely(p->pid)) { ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace); -@@ -1539,6 +1649,8 @@ bad_fork_cleanup_count: +@@ -1522,8 +1632,9 @@ bad_fork_cleanup_semundo: + exit_sem(p); + bad_fork_cleanup_audit: + audit_free(p); +-bad_fork_cleanup_policy: ++bad_fork_cleanup_perf: + perf_event_free_task(p); ++bad_fork_cleanup_policy: + #ifdef CONFIG_NUMA + mpol_put(p->mempolicy); + bad_fork_cleanup_cgroup: +@@ -1539,6 +1650,8 @@ bad_fork_cleanup_count: bad_fork_free: free_task(p); fork_out: @@ -88620,7 +88300,7 @@ index c44bff8..a3c5876 100644 return ERR_PTR(retval); } -@@ -1600,6 +1712,7 @@ long do_fork(unsigned long clone_flags, +@@ -1600,6 +1713,7 @@ long do_fork(unsigned long clone_flags, p = copy_process(clone_flags, stack_start, stack_size, child_tidptr, NULL, trace); @@ -88628,7 +88308,7 @@ index c44bff8..a3c5876 100644 /* * Do this prior waking up the new thread - the thread pointer * might get invalid after that point, if the thread exits quickly. -@@ -1616,6 +1729,8 @@ long do_fork(unsigned long clone_flags, +@@ -1616,6 +1730,8 @@ long do_fork(unsigned long clone_flags, if (clone_flags & CLONE_PARENT_SETTID) put_user(nr, parent_tidptr); @@ -88637,7 +88317,7 @@ index c44bff8..a3c5876 100644 if (clone_flags & CLONE_VFORK) { p->vfork_done = &vfork; init_completion(&vfork); -@@ -1734,7 +1849,7 @@ void __init proc_caches_init(void) +@@ -1734,7 +1850,7 @@ void __init proc_caches_init(void) mm_cachep = kmem_cache_create("mm_struct", sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN, SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL); @@ -88646,7 +88326,7 @@ index c44bff8..a3c5876 100644 mmap_init(); nsproxy_cache_init(); } -@@ -1774,7 +1889,7 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp) +@@ -1774,7 +1890,7 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp) return 0; /* don't need lock here; in the worst case we'll do useless copy */ @@ -88655,7 +88335,7 @@ index c44bff8..a3c5876 100644 return 0; *new_fsp = copy_fs_struct(fs); -@@ -1881,7 +1996,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) +@@ -1881,7 +1997,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) fs = current->fs; spin_lock(&fs->lock); current->fs = new_fs; @@ -88666,7 +88346,7 @@ index c44bff8..a3c5876 100644 else new_fs = fs; diff --git a/kernel/futex.c b/kernel/futex.c -index e3087af..4730710 100644 +index 0b0dc02..4730710 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -54,6 +54,7 @@ @@ -88716,15 +88396,7 @@ index e3087af..4730710 100644 pagefault_disable(); ret = __copy_from_user_inatomic(dest, from, sizeof(u32)); -@@ -2614,6 +2620,7 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, - * shared futexes. We need to compare the keys: - */ - if (match_futex(&q.key, &key2)) { -+ queue_unlock(hb); - ret = -EINVAL; - goto out_put_keys; - } -@@ -3019,6 +3026,7 @@ static void __init futex_detect_cmpxchg(void) +@@ -3020,6 +3026,7 @@ static void __init futex_detect_cmpxchg(void) { #ifndef CONFIG_HAVE_FUTEX_CMPXCHG u32 curval; @@ -88732,7 +88404,7 @@ index e3087af..4730710 100644 /* * This will fail and we want it. Some arch implementations do -@@ -3030,8 +3038,11 @@ static void __init futex_detect_cmpxchg(void) +@@ -3031,8 +3038,11 @@ static void __init futex_detect_cmpxchg(void) * implementation, the non-functional ones will return * -ENOSYS. */ @@ -88966,26 +88638,10 @@ index 3127ad5..159d880 100644 return -ENOMEM; reset_iter(iter, 0); diff --git a/kernel/kcmp.c b/kernel/kcmp.c -index e30ac0f..a7fcafb 100644 +index 0aa69ea..a7fcafb 100644 --- a/kernel/kcmp.c +++ b/kernel/kcmp.c -@@ -44,11 +44,12 @@ static long kptr_obfuscate(long v, int type) - */ - static int kcmp_ptr(void *v1, void *v2, enum kcmp_type type) - { -- long ret; -+ long t1, t2; - -- ret = kptr_obfuscate((long)v1, type) - kptr_obfuscate((long)v2, type); -+ t1 = kptr_obfuscate((long)v1, type); -+ t2 = kptr_obfuscate((long)v2, type); - -- return (ret < 0) | ((ret > 0) << 1); -+ return (t1 < t2) | ((t1 > t2) << 1); - } - - /* The caller must have pinned the task */ -@@ -99,6 +100,10 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type, +@@ -100,6 +100,10 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type, struct task_struct *task1, *task2; int ret; @@ -92674,71 +92330,10 @@ index 7c7964c..2a0d412 100644 update_vsyscall_tz(); if (firsttime) { diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c -index fe75444..b8a1463 100644 +index cd45a07..b8a1463 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c -@@ -464,18 +464,26 @@ static enum alarmtimer_type clock2alarm(clockid_t clockid) - static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm, - ktime_t now) - { -+ unsigned long flags; - struct k_itimer *ptr = container_of(alarm, struct k_itimer, - it.alarm.alarmtimer); -- if (posix_timer_event(ptr, 0) != 0) -- ptr->it_overrun++; -+ enum alarmtimer_restart result = ALARMTIMER_NORESTART; -+ -+ spin_lock_irqsave(&ptr->it_lock, flags); -+ if ((ptr->it_sigev_notify & ~SIGEV_THREAD_ID) != SIGEV_NONE) { -+ if (posix_timer_event(ptr, 0) != 0) -+ ptr->it_overrun++; -+ } - - /* Re-add periodic timers */ - if (ptr->it.alarm.interval.tv64) { - ptr->it_overrun += alarm_forward(alarm, now, - ptr->it.alarm.interval); -- return ALARMTIMER_RESTART; -+ result = ALARMTIMER_RESTART; - } -- return ALARMTIMER_NORESTART; -+ spin_unlock_irqrestore(&ptr->it_lock, flags); -+ -+ return result; - } - - /** -@@ -541,18 +549,22 @@ static int alarm_timer_create(struct k_itimer *new_timer) - * @new_timer: k_itimer pointer - * @cur_setting: itimerspec data to fill - * -- * Copies the itimerspec data out from the k_itimer -+ * Copies out the current itimerspec data - */ - static void alarm_timer_get(struct k_itimer *timr, - struct itimerspec *cur_setting) - { -- memset(cur_setting, 0, sizeof(struct itimerspec)); -+ ktime_t relative_expiry_time = -+ alarm_expires_remaining(&(timr->it.alarm.alarmtimer)); - -- cur_setting->it_interval = -- ktime_to_timespec(timr->it.alarm.interval); -- cur_setting->it_value = -- ktime_to_timespec(timr->it.alarm.alarmtimer.node.expires); -- return; -+ if (ktime_to_ns(relative_expiry_time) > 0) { -+ cur_setting->it_value = ktime_to_timespec(relative_expiry_time); -+ } else { -+ cur_setting->it_value.tv_sec = 0; -+ cur_setting->it_value.tv_nsec = 0; -+ } -+ -+ cur_setting->it_interval = ktime_to_timespec(timr->it.alarm.interval); - } - - /** -@@ -811,7 +823,7 @@ static int __init alarmtimer_init(void) +@@ -823,7 +823,7 @@ static int __init alarmtimer_init(void) struct platform_device *pdev; int error = 0; int i; @@ -93002,7 +92597,7 @@ index e3be87e..7480b36 100644 ftrace_graph_active++; diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c -index a53f1bb..0e70660 100644 +index 773aba8..0e70660 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -352,9 +352,9 @@ struct buffer_data_page { @@ -93028,31 +92623,7 @@ index a53f1bb..0e70660 100644 local_t dropped_events; local_t committing; local_t commits; -@@ -626,8 +626,22 @@ int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, - work = &cpu_buffer->irq_work; - } - -- work->waiters_pending = true; - poll_wait(filp, &work->waiters, poll_table); -+ work->waiters_pending = true; -+ /* -+ * There's a tight race between setting the waiters_pending and -+ * checking if the ring buffer is empty. Once the waiters_pending bit -+ * is set, the next event will wake the task up, but we can get stuck -+ * if there's only a single event in. -+ * -+ * FIXME: Ideally, we need a memory barrier on the writer side as well, -+ * but adding a memory barrier to all events will cause too much of a -+ * performance hit in the fast path. We only need a memory barrier when -+ * the buffer goes from empty to having content. But as this race is -+ * extremely small, and it's not a problem if another event comes in, we -+ * will fix it later. -+ */ -+ smp_mb(); - - if ((cpu == RING_BUFFER_ALL_CPUS && !ring_buffer_empty(buffer)) || - (cpu != RING_BUFFER_ALL_CPUS && !ring_buffer_empty_cpu(buffer, cpu))) -@@ -991,8 +1005,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, +@@ -1005,8 +1005,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, * * We add a counter to the write field to denote this. */ @@ -93063,7 +92634,7 @@ index a53f1bb..0e70660 100644 /* * Just make sure we have seen our old_write and synchronize -@@ -1020,8 +1034,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, +@@ -1034,8 +1034,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, * cmpxchg to only update if an interrupt did not already * do it for us. If the cmpxchg fails, we don't care. */ @@ -93074,7 +92645,7 @@ index a53f1bb..0e70660 100644 /* * No need to worry about races with clearing out the commit. -@@ -1385,12 +1399,12 @@ static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer); +@@ -1399,12 +1399,12 @@ static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer); static inline unsigned long rb_page_entries(struct buffer_page *bpage) { @@ -93089,7 +92660,7 @@ index a53f1bb..0e70660 100644 } static int -@@ -1485,7 +1499,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages) +@@ -1499,7 +1499,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages) * bytes consumed in ring buffer from here. * Increment overrun to account for the lost events. */ @@ -93098,7 +92669,7 @@ index a53f1bb..0e70660 100644 local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); } -@@ -2063,7 +2077,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2077,7 +2077,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer, * it is our responsibility to update * the counters. */ @@ -93107,7 +92678,7 @@ index a53f1bb..0e70660 100644 local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); /* -@@ -2213,7 +2227,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2227,7 +2227,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, if (tail == BUF_PAGE_SIZE) tail_page->real_end = 0; @@ -93116,7 +92687,7 @@ index a53f1bb..0e70660 100644 return; } -@@ -2248,7 +2262,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2262,7 +2262,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, rb_event_set_padding(event); /* Set the write back to the previous setting */ @@ -93125,7 +92696,7 @@ index a53f1bb..0e70660 100644 return; } -@@ -2260,7 +2274,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2274,7 +2274,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, /* Set write to end of buffer */ length = (tail + length) - BUF_PAGE_SIZE; @@ -93134,7 +92705,7 @@ index a53f1bb..0e70660 100644 } /* -@@ -2286,7 +2300,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2300,7 +2300,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, * about it. */ if (unlikely(next_page == commit_page)) { @@ -93143,7 +92714,7 @@ index a53f1bb..0e70660 100644 goto out_reset; } -@@ -2342,7 +2356,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2356,7 +2356,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, cpu_buffer->tail_page) && (cpu_buffer->commit_page == cpu_buffer->reader_page))) { @@ -93152,7 +92723,7 @@ index a53f1bb..0e70660 100644 goto out_reset; } } -@@ -2390,7 +2404,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2404,7 +2404,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, length += RB_LEN_TIME_EXTEND; tail_page = cpu_buffer->tail_page; @@ -93161,7 +92732,7 @@ index a53f1bb..0e70660 100644 /* set write to only the index of the write */ write &= RB_WRITE_MASK; -@@ -2414,7 +2428,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2428,7 +2428,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, kmemcheck_annotate_bitfield(event, bitfield); rb_update_event(cpu_buffer, event, length, add_timestamp, delta); @@ -93170,7 +92741,7 @@ index a53f1bb..0e70660 100644 /* * If this is the first commit on the page, then update -@@ -2447,7 +2461,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2461,7 +2461,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, if (bpage->page == (void *)addr && rb_page_write(bpage) == old_index) { unsigned long write_mask = @@ -93179,7 +92750,7 @@ index a53f1bb..0e70660 100644 unsigned long event_length = rb_event_length(event); /* * This is on the tail page. It is possible that -@@ -2457,7 +2471,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2471,7 +2471,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, */ old_index += write_mask; new_index += write_mask; @@ -93188,7 +92759,7 @@ index a53f1bb..0e70660 100644 if (index == old_index) { /* update counters */ local_sub(event_length, &cpu_buffer->entries_bytes); -@@ -2849,7 +2863,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2863,7 +2863,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, /* Do the likely case first */ if (likely(bpage->page == (void *)addr)) { @@ -93197,7 +92768,7 @@ index a53f1bb..0e70660 100644 return; } -@@ -2861,7 +2875,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, +@@ -2875,7 +2875,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, start = bpage; do { if (bpage->page == (void *)addr) { @@ -93206,7 +92777,7 @@ index a53f1bb..0e70660 100644 return; } rb_inc_page(cpu_buffer, &bpage); -@@ -3145,7 +3159,7 @@ static inline unsigned long +@@ -3159,7 +3159,7 @@ static inline unsigned long rb_num_of_entries(struct ring_buffer_per_cpu *cpu_buffer) { return local_read(&cpu_buffer->entries) - @@ -93215,7 +92786,7 @@ index a53f1bb..0e70660 100644 } /** -@@ -3234,7 +3248,7 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu) +@@ -3248,7 +3248,7 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu) return 0; cpu_buffer = buffer->buffers[cpu]; @@ -93224,7 +92795,7 @@ index a53f1bb..0e70660 100644 return ret; } -@@ -3257,7 +3271,7 @@ ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu) +@@ -3271,7 +3271,7 @@ ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu) return 0; cpu_buffer = buffer->buffers[cpu]; @@ -93233,7 +92804,7 @@ index a53f1bb..0e70660 100644 return ret; } -@@ -3342,7 +3356,7 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer) +@@ -3356,7 +3356,7 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer) /* if you care about this being correct, lock the buffer */ for_each_buffer_cpu(buffer, cpu) { cpu_buffer = buffer->buffers[cpu]; @@ -93242,7 +92813,7 @@ index a53f1bb..0e70660 100644 } return overruns; -@@ -3513,8 +3527,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) +@@ -3527,8 +3527,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) /* * Reset the reader page to size zero. */ @@ -93253,7 +92824,7 @@ index a53f1bb..0e70660 100644 local_set(&cpu_buffer->reader_page->page->commit, 0); cpu_buffer->reader_page->real_end = 0; -@@ -3548,7 +3562,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) +@@ -3562,7 +3562,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) * want to compare with the last_overrun. */ smp_mb(); @@ -93262,7 +92833,7 @@ index a53f1bb..0e70660 100644 /* * Here's the tricky part. -@@ -4120,8 +4134,8 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) +@@ -4134,8 +4134,8 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) cpu_buffer->head_page = list_entry(cpu_buffer->pages, struct buffer_page, list); @@ -93273,7 +92844,7 @@ index a53f1bb..0e70660 100644 local_set(&cpu_buffer->head_page->page->commit, 0); cpu_buffer->head_page->read = 0; -@@ -4131,14 +4145,14 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) +@@ -4145,14 +4145,14 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) INIT_LIST_HEAD(&cpu_buffer->reader_page->list); INIT_LIST_HEAD(&cpu_buffer->new_pages); @@ -93292,7 +92863,7 @@ index a53f1bb..0e70660 100644 local_set(&cpu_buffer->dropped_events, 0); local_set(&cpu_buffer->entries, 0); local_set(&cpu_buffer->committing, 0); -@@ -4543,8 +4557,8 @@ int ring_buffer_read_page(struct ring_buffer *buffer, +@@ -4557,8 +4557,8 @@ int ring_buffer_read_page(struct ring_buffer *buffer, rb_init_page(bpage); bpage = reader->page; reader->page = *data_page; @@ -94597,6 +94168,31 @@ index b32b70c..e512eb0 100644 pkmap_count[last_pkmap_nr] = 1; set_page_address(page, (void *)vaddr); +diff --git a/mm/huge_memory.c b/mm/huge_memory.c +index 1c42d0c..2a99426 100644 +--- a/mm/huge_memory.c ++++ b/mm/huge_memory.c +@@ -1824,6 +1824,11 @@ static int __split_huge_page_map(struct page *page, + for (i = 0; i < HPAGE_PMD_NR; i++, haddr += PAGE_SIZE) { + pte_t *pte, entry; + BUG_ON(PageCompound(page+i)); ++ /* ++ * Note that pmd_numa is not transferred deliberately ++ * to avoid any possibility that pte_numa leaks to ++ * a PROT_NONE VMA by accident. ++ */ + entry = mk_pte(page + i, vma->vm_page_prot); + entry = maybe_mkwrite(pte_mkdirty(entry), vma); + if (!pmd_write(*pmd)) +@@ -1832,8 +1837,6 @@ static int __split_huge_page_map(struct page *page, + BUG_ON(page_mapcount(page) != 1); + if (!pmd_young(*pmd)) + entry = pte_mkold(entry); +- if (pmd_numa(*pmd)) +- entry = pte_mknuma(entry); + pte = pte_offset_map(&_pmd, haddr); + BUG_ON(!pte_none(*pte)); + set_pte_at(mm, haddr, pte, entry); diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 923f38e..74e159a 100644 --- a/mm/hugetlb.c @@ -95008,7 +94604,7 @@ index 33365e9..2234ef9 100644 } unset_migratetype_isolate(page, MIGRATE_MOVABLE); diff --git a/mm/memory.c b/mm/memory.c -index 2121d8b8..fa1095a 100644 +index 492e36f..3771c0a 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -403,6 +403,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud, @@ -95779,10 +95375,23 @@ index 15a8ea0..cb50389 100644 capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE); diff --git a/mm/migrate.c b/mm/migrate.c -index bed4880..a493f67 100644 +index bed4880..95c4b9f 100644 --- a/mm/migrate.c +++ b/mm/migrate.c -@@ -1485,8 +1485,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages, +@@ -148,8 +148,11 @@ static int remove_migration_pte(struct page *new, struct vm_area_struct *vma, + pte = pte_mkold(mk_pte(new, vma->vm_page_prot)); + if (pte_swp_soft_dirty(*ptep)) + pte = pte_mksoft_dirty(pte); ++ ++ /* Recheck VMA as permissions can change since migration started */ + if (is_write_migration_entry(entry)) +- pte = pte_mkwrite(pte); ++ pte = maybe_mkwrite(pte, vma); ++ + #ifdef CONFIG_HUGETLB_PAGE + if (PageHuge(new)) { + pte = pte_mkhuge(pte); +@@ -1485,8 +1488,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages, */ tcred = __task_cred(task); if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) && @@ -97664,7 +97273,7 @@ index 7c59ef6..1358905 100644 }; diff --git a/mm/percpu.c b/mm/percpu.c -index a2a54a8..43ecb68 100644 +index 8cd4308..ab22f17 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -122,7 +122,7 @@ static unsigned int pcpu_low_unit_cpu __read_mostly; @@ -97844,7 +97453,7 @@ index cdbd312..2e1e0b9 100644 /* diff --git a/mm/shmem.c b/mm/shmem.c -index ff85863..7037c25 100644 +index f0d698b..7037c25 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -33,7 +33,7 @@ @@ -97865,19 +97474,7 @@ index ff85863..7037c25 100644 /* * shmem_fallocate communicates with shmem_fault or shmem_writepage via -@@ -2143,8 +2143,10 @@ static int shmem_rename(struct inode *old_dir, struct dentry *old_dentry, struct - - if (new_dentry->d_inode) { - (void) shmem_unlink(new_dir, new_dentry); -- if (they_are_dirs) -+ if (they_are_dirs) { -+ drop_nlink(new_dentry->d_inode); - drop_nlink(old_dir); -+ } - } else if (they_are_dirs) { - drop_nlink(old_dir); - inc_nlink(new_dir); -@@ -2298,6 +2300,11 @@ static const struct xattr_handler *shmem_xattr_handlers[] = { +@@ -2300,6 +2300,11 @@ static const struct xattr_handler *shmem_xattr_handlers[] = { static int shmem_xattr_validate(const char *name) { struct { const char *prefix; size_t len; } arr[] = { @@ -97889,7 +97486,7 @@ index ff85863..7037c25 100644 { XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN }, { XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN } }; -@@ -2353,6 +2360,15 @@ static int shmem_setxattr(struct dentry *dentry, const char *name, +@@ -2355,6 +2360,15 @@ static int shmem_setxattr(struct dentry *dentry, const char *name, if (err) return err; @@ -97905,7 +97502,7 @@ index ff85863..7037c25 100644 return simple_xattr_set(&info->xattrs, name, value, size, flags); } -@@ -2665,8 +2681,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) +@@ -2667,8 +2681,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) int err = -ENOMEM; /* Round up to L1_CACHE_BYTES to resist false sharing */ @@ -97916,7 +97513,7 @@ index ff85863..7037c25 100644 return -ENOMEM; diff --git a/mm/slab.c b/mm/slab.c -index 6dd8d5f..673c763 100644 +index ea854eb..673c763 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -300,10 +300,12 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent) @@ -97969,32 +97566,7 @@ index 6dd8d5f..673c763 100644 slab_early_init = 0; -@@ -2189,7 +2193,8 @@ static int __init_refok setup_cpu_cache(struct kmem_cache *cachep, gfp_t gfp) - int - __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags) - { -- size_t left_over, freelist_size, ralign; -+ size_t left_over, freelist_size; -+ size_t ralign = BYTES_PER_WORD; - gfp_t gfp; - int err; - size_t size = cachep->size; -@@ -2222,14 +2227,6 @@ __kmem_cache_create (struct kmem_cache *cachep, unsigned long flags) - size &= ~(BYTES_PER_WORD - 1); - } - -- /* -- * Redzoning and user store require word alignment or possibly larger. -- * Note this will be overridden by architecture or caller mandated -- * alignment if either is greater than BYTES_PER_WORD. -- */ -- if (flags & SLAB_STORE_USER) -- ralign = BYTES_PER_WORD; -- - if (flags & SLAB_RED_ZONE) { - ralign = REDZONE_ALIGN; - /* If redzoning, ensure that the second redzone is suitably -@@ -3484,6 +3481,21 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp, +@@ -3477,6 +3481,21 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp, struct array_cache *ac = cpu_cache_get(cachep); check_irq_off(); @@ -98016,7 +97588,7 @@ index 6dd8d5f..673c763 100644 kmemleak_free_recursive(objp, cachep->flags); objp = cache_free_debugcheck(cachep, objp, caller); -@@ -3712,6 +3724,7 @@ void kfree(const void *objp) +@@ -3705,6 +3724,7 @@ void kfree(const void *objp) if (unlikely(ZERO_OR_NULL_PTR(objp))) return; @@ -98024,7 +97596,7 @@ index 6dd8d5f..673c763 100644 local_irq_save(flags); kfree_debugcheck(objp); c = virt_to_cache(objp); -@@ -4153,14 +4166,22 @@ void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep) +@@ -4146,14 +4166,22 @@ void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep) } /* cpu stats */ { @@ -98051,7 +97623,7 @@ index 6dd8d5f..673c763 100644 #endif } -@@ -4381,13 +4402,69 @@ static const struct file_operations proc_slabstats_operations = { +@@ -4374,13 +4402,69 @@ static const struct file_operations proc_slabstats_operations = { static int __init slab_proc_init(void) { #ifdef CONFIG_DEBUG_SLAB_LEAK @@ -103434,7 +103006,7 @@ index de770ec..3fc49d2 100644 .get_optmin = SO_IP_SET, .get_optmax = SO_IP_SET + 1, diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c -index a8eb0a8..86f2de4 100644 +index 610e19c..08d0c3f 100644 --- a/net/netfilter/ipvs/ip_vs_conn.c +++ b/net/netfilter/ipvs/ip_vs_conn.c @@ -556,7 +556,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest) @@ -103446,7 +103018,7 @@ index a8eb0a8..86f2de4 100644 if (cp->protocol != IPPROTO_UDP) conn_flags &= ~IP_VS_CONN_F_ONE_PACKET; flags = cp->flags; -@@ -900,7 +900,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, +@@ -899,7 +899,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, cp->control = NULL; atomic_set(&cp->n_control, 0); @@ -103455,7 +103027,7 @@ index a8eb0a8..86f2de4 100644 cp->packet_xmit = NULL; cp->app = NULL; -@@ -1188,7 +1188,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp) +@@ -1187,7 +1187,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp) /* Don't drop the entry if its number of incoming packets is not located in [0, 8] */ @@ -103465,7 +103037,7 @@ index a8eb0a8..86f2de4 100644 if (!todrop_rate[i]) return 0; diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c -index 3d2d2c8..c87e4d3 100644 +index 27d3f40..f95d8d0 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -567,7 +567,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb, @@ -103620,7 +103192,7 @@ index db80126..ef7110e 100644 cp->old_state = cp->state; /* diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c -index 7f0e1cf..e9a86e6 100644 +index 1692e75..0d7c8e3 100644 --- a/net/netfilter/ipvs/ip_vs_xmit.c +++ b/net/netfilter/ipvs/ip_vs_xmit.c @@ -1102,7 +1102,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, @@ -103918,10 +103490,10 @@ index 0000000..c566332 +MODULE_ALIAS("ipt_gradm"); +MODULE_ALIAS("ip6t_gradm"); diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c -index a3910fc..2d2ba14 100644 +index 47dc683..2e0d52c 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c -@@ -870,11 +870,11 @@ static int __net_init hashlimit_proc_net_init(struct net *net) +@@ -871,11 +871,11 @@ static int __net_init hashlimit_proc_net_init(struct net *net) { struct hashlimit_net *hashlimit_net = hashlimit_pernet(net); @@ -104303,6 +103875,43 @@ index 48f8ffc..0ef3eec 100644 struct rds_sock { struct sock rs_sk; +diff --git a/net/rds/send.c b/net/rds/send.c +index a82fb66..1ea9251 100644 +--- a/net/rds/send.c ++++ b/net/rds/send.c +@@ -593,8 +593,11 @@ static void rds_send_remove_from_sock(struct list_head *messages, int status) + sock_put(rds_rs_to_sk(rs)); + } + rs = rm->m_rs; +- sock_hold(rds_rs_to_sk(rs)); ++ if (rs) ++ sock_hold(rds_rs_to_sk(rs)); + } ++ if (!rs) ++ goto unlock_and_drop; + spin_lock(&rs->rs_lock); + + if (test_and_clear_bit(RDS_MSG_ON_SOCK, &rm->m_flags)) { +@@ -638,9 +641,6 @@ unlock_and_drop: + * queue. This means that in the TCP case, the message may not have been + * assigned the m_ack_seq yet - but that's fine as long as tcp_is_acked + * checks the RDS_MSG_HAS_ACK_SEQ bit. +- * +- * XXX It's not clear to me how this is safely serialized with socket +- * destruction. Maybe it should bail if it sees SOCK_DEAD. + */ + void rds_send_drop_acked(struct rds_connection *conn, u64 ack, + is_acked_func is_acked) +@@ -711,6 +711,9 @@ void rds_send_drop_to(struct rds_sock *rs, struct sockaddr_in *dest) + */ + if (!test_and_clear_bit(RDS_MSG_ON_CONN, &rm->m_flags)) { + spin_unlock_irqrestore(&conn->c_lock, flags); ++ spin_lock_irqsave(&rm->m_rs_lock, flags); ++ rm->m_rs = NULL; ++ spin_unlock_irqrestore(&rm->m_rs_lock, flags); + continue; + } + list_del_init(&rm->m_conn_item); diff --git a/net/rds/tcp.c b/net/rds/tcp.c index edac9ef..16bcb98 100644 --- a/net/rds/tcp.c @@ -116489,10 +116098,10 @@ index 0000000..4378111 +} diff --git a/tools/gcc/size_overflow_plugin/size_overflow_hash.data b/tools/gcc/size_overflow_plugin/size_overflow_hash.data new file mode 100644 -index 0000000..38b3d62 +index 0000000..e4b26fe --- /dev/null +++ b/tools/gcc/size_overflow_plugin/size_overflow_hash.data -@@ -0,0 +1,5989 @@ +@@ -0,0 +1,5991 @@ +intel_fake_agp_alloc_by_type_1 intel_fake_agp_alloc_by_type 1 1 NULL +ocfs2_get_refcount_tree_3 ocfs2_get_refcount_tree 0 3 NULL +storvsc_connect_to_vsp_22 storvsc_connect_to_vsp 2 22 NULL @@ -117837,7 +117446,8 @@ index 0000000..38b3d62 +sta_dev_read_14782 sta_dev_read 3 14782 NULL +keys_proc_write_14792 keys_proc_write 3 14792 NULL +ext4_kvmalloc_14796 ext4_kvmalloc 1 14796 NULL -+__kfifo_in_14797 __kfifo_in 3-0 14797 NULL ++__kfifo_in_14797 __kfifo_in 3-0 14797 NULL nohasharray ++ttm_page_pool_free_14797 ttm_page_pool_free 2 14797 &__kfifo_in_14797 +hpet_readl_14801 hpet_readl 0 14801 NULL nohasharray +snd_als300_gcr_read_14801 snd_als300_gcr_read 0 14801 &hpet_readl_14801 +security_inode_rename_14805 security_inode_rename 0 14805 NULL @@ -118260,6 +117870,7 @@ index 0000000..38b3d62 +kstrtoll_from_user_19500 kstrtoll_from_user 2 19500 NULL +ext4_add_new_descs_19509 ext4_add_new_descs 3 19509 NULL +batadv_tvlv_container_register_19520 batadv_tvlv_container_register 5 19520 NULL ++ttm_dma_page_pool_free_19527 ttm_dma_page_pool_free 2 19527 NULL +apei_exec_pre_map_gars_19529 apei_exec_pre_map_gars 0 19529 NULL nohasharray +cfc_write_array_to_buffer_19529 cfc_write_array_to_buffer 3 19529 &apei_exec_pre_map_gars_19529 +nfc_llcp_build_tlv_19536 nfc_llcp_build_tlv 3 19536 NULL |