main/linux-grsec: upgrade to 3.6.9 kernel

2 files changed, 704 insertions, 302 deletions

diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD
index 206149c61..7d7453f72 100644
--- a/main/linux-grsec/APKBUILD
+++ b/main/linux-grsec/APKBUILD
@@ -2,9 +2,9 @@
 
 _flavor=grsec
 pkgname=linux-${_flavor}
-pkgver=3.6.8
+pkgver=3.6.9
 _kernver=3.6
-pkgrel=1
+pkgrel=0
 pkgdesc="Linux kernel with grsecurity"
 url=http://grsecurity.net
 depends="mkinitfs linux-firmware"
@@ -14,7 +14,7 @@ _config=${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-2.9.1-3.6.8-201211261714.patch
+	grsecurity-2.9.1-3.6.9-201212031851.patch
 	
 	0004-arp-flush-arp-cache-on-device-change.patch
 
@@ -139,8 +139,8 @@ dev() {
 }
 
 md5sums="1a1760420eac802c541a20ab51a093d1  linux-3.6.tar.xz
-f248294551c34753c5c019c8d513280c  patch-3.6.8.xz
-0dbb7227ccf77f6e02772a5bd505b10d  grsecurity-2.9.1-3.6.8-201211261714.patch
+a7c656034599f90dcbc50895b69022aa  patch-3.6.9.xz
+f410ce5363d0681ba0d279eb3a5b1544  grsecurity-2.9.1-3.6.9-201212031851.patch
 776adeeb5272093574f8836c5037dd7d  0004-arp-flush-arp-cache-on-device-change.patch
 0b4abb6b3e32cc7ba656c24e30581349  kernelconfig.x86
 ff85d700a38f78861ba04f0eddb26901  kernelconfig.x86_64"
diff --git a/main/linux-grsec/grsecurity-2.9.1-3.6.8-201211261714.patch b/main/linux-grsec/grsecurity-2.9.1-3.6.9-201212031851.patch
index 13615ed6d..b057325d0 100644
--- a/main/linux-grsec/grsecurity-2.9.1-3.6.8-201211261714.patch
+++ b/main/linux-grsec/grsecurity-2.9.1-3.6.9-201212031851.patch
@@ -251,7 +251,7 @@ index ad7e2e5..199f49e 100644
  
  	pcd.		[PARIDE]
 diff --git a/Makefile b/Makefile
-index c5cc2f0..6570abb 100644
+index 978af72..1121485 100644
 --- a/Makefile
 +++ b/Makefile
 @@ -241,8 +241,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
@@ -3470,32 +3470,8 @@ index 5e34ccf..672bc9c 100644
  
  	DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n",
  	       me->arch.unwind_section, table, end, gp);
-diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c
-index fd49aed..5dede04 100644
---- a/arch/parisc/kernel/signal32.c
-+++ b/arch/parisc/kernel/signal32.c
-@@ -65,7 +65,8 @@ put_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
- {
- 	compat_sigset_t s;
- 
--	if (sz != sizeof *set) panic("put_sigset32()");
-+	if (sz != sizeof *set)
-+		return -EINVAL;
- 	sigset_64to32(&s, set);
- 
- 	return copy_to_user(up, &s, sizeof s);
-@@ -77,7 +78,8 @@ get_sigset32(compat_sigset_t __user *up, sigset_t *set, size_t sz)
- 	compat_sigset_t s;
- 	int r;
- 
--	if (sz != sizeof *set) panic("put_sigset32()");
-+	if (sz != sizeof *set)
-+		return -EINVAL;
- 
- 	if ((r = copy_from_user(&s, up, sz)) == 0) {
- 		sigset_32to64(set, &s);
 diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
-index 7426e40..30c8dbe 100644
+index f76c108..8117482 100644
 --- a/arch/parisc/kernel/sys_parisc.c
 +++ b/arch/parisc/kernel/sys_parisc.c
 @@ -43,7 +43,7 @@ static unsigned long get_unshared_area(unsigned long addr, unsigned long len)
@@ -3507,7 +3483,7 @@ index 7426e40..30c8dbe 100644
  			return addr;
  		addr = vma->vm_end;
  	}
-@@ -79,7 +79,7 @@ static unsigned long get_shared_area(struct address_space *mapping,
+@@ -81,7 +81,7 @@ static unsigned long get_shared_area(struct address_space *mapping,
  		/* At this point:  (!vma || addr < vma->vm_end). */
  		if (TASK_SIZE - len < addr)
  			return -ENOMEM;
@@ -3516,7 +3492,7 @@ index 7426e40..30c8dbe 100644
  			return addr;
  		addr = DCACHE_ALIGN(vma->vm_end - offset) + offset;
  		if (addr < vma->vm_end) /* handle wraparound */
-@@ -98,7 +98,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
+@@ -100,7 +100,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr,
  	if (flags & MAP_FIXED)
  		return addr;
  	if (!addr)
@@ -7815,10 +7791,10 @@ index 8a84501..b2d165f 100644
  KBUILD_AFLAGS  := $(KBUILD_CFLAGS) -D__ASSEMBLY__
  GCOV_PROFILE := n
 diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
-index b3e0227..f2c02d5 100644
+index 90201aa..be1de62 100644
 --- a/arch/x86/boot/compressed/eboot.c
 +++ b/arch/x86/boot/compressed/eboot.c
-@@ -142,7 +142,6 @@ again:
+@@ -144,7 +144,6 @@ again:
  		*addr = max_addr;
  	}
  
@@ -7826,7 +7802,7 @@ index b3e0227..f2c02d5 100644
  	efi_call_phys1(sys_table->boottime->free_pool, map);
  
  fail:
-@@ -206,7 +205,6 @@ static efi_status_t low_alloc(unsigned long size, unsigned long align,
+@@ -208,7 +207,6 @@ static efi_status_t low_alloc(unsigned long size, unsigned long align,
  	if (i == map_size / desc_size)
  		status = EFI_NOT_FOUND;
  
@@ -10627,34 +10603,52 @@ index 75ce3f4..882e801 100644
  
  #endif /* _ASM_X86_EMERGENCY_RESTART_H */
 diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h
-index 75f4c6d..ee3eb8f 100644
+index 75f4c6d..9215c4a 100644
 --- a/arch/x86/include/asm/fpu-internal.h
 +++ b/arch/x86/include/asm/fpu-internal.h
-@@ -86,6 +86,11 @@ static inline int fxrstor_checking(struct i387_fxsave_struct *fx)
+@@ -82,10 +82,12 @@ static inline void sanitize_i387_state(struct task_struct *tsk)
+ }
+ 
+ #ifdef CONFIG_X86_64
+-static inline int fxrstor_checking(struct i387_fxsave_struct *fx)
++static inline int fxrstor_checking(struct i387_fxsave_struct __user *fx)
  {
  	int err;
  
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+	if ((unsigned long)fx < PAX_USER_SHADOW_BASE)
-+		fx = (struct i387_fxsave_struct __user *)((void *)fx + PAX_USER_SHADOW_BASE);
-+#endif
++	fx = (struct i387_fxsave_struct __user *)____m(fx);
 +
  	/* See comment in fxsave() below. */
  #ifdef CONFIG_AS_FXSAVEQ
  	asm volatile("1:  fxrstorq %[fx]\n\t"
-@@ -115,6 +120,11 @@ static inline int fxsave_user(struct i387_fxsave_struct __user *fx)
+@@ -115,6 +117,8 @@ static inline int fxsave_user(struct i387_fxsave_struct __user *fx)
  {
  	int err;
  
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+	if ((unsigned long)fx < PAX_USER_SHADOW_BASE)
-+		fx = (struct i387_fxsave_struct __user *)((void __user *)fx + PAX_USER_SHADOW_BASE);
-+#endif
++	fx = (struct i387_fxsave_struct __user *)____m(fx);
 +
  	/*
  	 * Clear the bytes not touched by the fxsave and reserved
  	 * for the SW usage.
-@@ -271,7 +281,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
+@@ -183,15 +187,15 @@ static inline void fpu_fxsave(struct fpu *fpu)
+ #else  /* CONFIG_X86_32 */
+ 
+ /* perform fxrstor iff the processor has extended states, otherwise frstor */
+-static inline int fxrstor_checking(struct i387_fxsave_struct *fx)
++static inline int fxrstor_checking(struct i387_fxsave_struct __user *fx)
+ {
+ 	/*
+ 	 * The "nop" is needed to make the instructions the same
+ 	 * length.
+ 	 */
+ 	alternative_input(
+-		"nop ; frstor %1",
+-		"fxrstor %1",
++		__copyuser_seg" frstor %1; nop",
++		__copyuser_seg" fxrstor %1",
+ 		X86_FEATURE_FXSR,
+ 		"m" (*fx));
+ 
+@@ -271,7 +275,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk)
  		"emms\n\t"		/* clear stack tags */
  		"fildl %P[addr]",	/* set F?P to defined value */
  		X86_FEATURE_FXSAVE_LEAK,
@@ -10663,11 +10657,35 @@ index 75f4c6d..ee3eb8f 100644
  
  	return fpu_restore_checking(&tsk->thread.fpu);
  }
+@@ -334,14 +338,17 @@ static inline void __thread_fpu_begin(struct task_struct *tsk)
+ typedef struct { int preload; } fpu_switch_t;
+ 
+ /*
+- * FIXME! We could do a totally lazy restore, but we need to
+- * add a per-cpu "this was the task that last touched the FPU
+- * on this CPU" variable, and the task needs to have a "I last
+- * touched the FPU on this CPU" and check them.
++ * Must be run with preemption disabled: this clears the fpu_owner_task,
++ * on this CPU.
+  *
+- * We don't do that yet, so "fpu_lazy_restore()" always returns
+- * false, but some day..
++ * This will disable any lazy FPU state restore of the current FPU state,
++ * but if the current thread owns the FPU, it will still be saved by.
+  */
++static inline void __cpu_disable_lazy_restore(unsigned int cpu)
++{
++	per_cpu(fpu_owner_task, cpu) = NULL;
++}
++
+ static inline int fpu_lazy_restore(struct task_struct *new, unsigned int cpu)
+ {
+ 	return new == this_cpu_read_stable(fpu_owner_task) &&
 diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h
-index 71ecbcb..bac10b7 100644
+index 71ecbcb..11df950 100644
 --- a/arch/x86/include/asm/futex.h
 +++ b/arch/x86/include/asm/futex.h
-@@ -11,16 +11,18 @@
+@@ -11,20 +11,22 @@
  #include <asm/processor.h>
  
  #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg)	\
@@ -10687,6 +10705,11 @@ index 71ecbcb..bac10b7 100644
  	asm volatile("1:\tmovl	%2, %0\n"			\
  		     "\tmovl\t%0, %3\n"				\
  		     "\t" insn "\n"				\
+-		     "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n"	\
++		     "2:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %3, %2\n"	\
+ 		     "\tjnz\t1b\n"				\
+ 		     "3:\t.section .fixup,\"ax\"\n"		\
+ 		     "4:\tmov\t%5, %1\n"			\
 @@ -33,7 +35,7 @@
  		     _ASM_EXTABLE(1b, 4b)			\
  		     _ASM_EXTABLE(2b, 4b)			\
@@ -12013,7 +12036,7 @@ index d048cad..45e350f 100644
  
  #endif /* _ASM_X86_PROCESSOR_H */
 diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
-index dcfde52..dbfea06 100644
+index 19f16eb..b50624b 100644
 --- a/arch/x86/include/asm/ptrace.h
 +++ b/arch/x86/include/asm/ptrace.h
 @@ -155,28 +155,29 @@ static inline unsigned long regs_return_value(struct pt_regs *regs)
@@ -13154,7 +13177,7 @@ index 576e39b..ccd0a39 100644
  
  #endif /* _ASM_X86_UACCESS_32_H */
 diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
-index d8def8b..ac7fc15 100644
+index d8def8b..6052b20 100644
 --- a/arch/x86/include/asm/uaccess_64.h
 +++ b/arch/x86/include/asm/uaccess_64.h
 @@ -10,6 +10,9 @@
@@ -13185,7 +13208,7 @@ index d8def8b..ac7fc15 100644
  copy_user_generic(void *to, const void *from, unsigned len)
  {
  	unsigned ret;
-@@ -41,142 +44,238 @@ copy_user_generic(void *to, const void *from, unsigned len)
+@@ -41,142 +44,205 @@ copy_user_generic(void *to, const void *from, unsigned len)
  			 ASM_OUTPUT2("=a" (ret), "=D" (to), "=S" (from),
  				     "=d" (len)),
  			 "1" (to), "2" (from), "3" (len)
@@ -13285,13 +13308,7 @@ index d8def8b..ac7fc15 100644
 +
 +	if (!__builtin_constant_p(size)) {
 +		check_object_size(dst, size, false);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+		if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+			src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+		return copy_user_generic(dst, (__force_kernel const void *)src, size);
++		return copy_user_generic(dst, (__force_kernel const void *)____m(src), size);
 +	}
  	switch (size) {
 -	case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src,
@@ -13334,13 +13351,7 @@ index d8def8b..ac7fc15 100644
  		return ret;
  	default:
 -		return copy_user_generic(dst, (__force void *)src, size);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+		if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+			src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+		return copy_user_generic(dst, (__force_kernel const void *)src, size);
++		return copy_user_generic(dst, (__force_kernel const void *)____m(src), size);
  	}
  }
  
@@ -13371,13 +13382,7 @@ index d8def8b..ac7fc15 100644
 +
 +	if (!__builtin_constant_p(size)) {
 +		check_object_size(src, size, true);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+		if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+			dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+		return copy_user_generic((__force_kernel void *)dst, src, size);
++		return copy_user_generic((__force_kernel void *)____m(dst), src, size);
 +	}
  	switch (size) {
 -	case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst,
@@ -13420,13 +13425,7 @@ index d8def8b..ac7fc15 100644
  		return ret;
  	default:
 -		return copy_user_generic((__force void *)dst, src, size);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+		if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+			dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+		return copy_user_generic((__force_kernel void *)dst, src, size);
++		return copy_user_generic((__force_kernel void *)____m(dst), src, size);
  	}
  }
  
@@ -13438,9 +13437,6 @@ index d8def8b..ac7fc15 100644
 +	unsigned ret = 0;
  
  	might_fault();
--	if (!__builtin_constant_p(size))
--		return copy_user_generic((__force void *)dst,
--					 (__force void *)src, size);
 +
 +	if (size > INT_MAX)
 +		return size;
@@ -13452,18 +13448,11 @@ index d8def8b..ac7fc15 100644
 +		return size;
 +#endif
 +
-+	if (!__builtin_constant_p(size)) {
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+		if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+			src += PAX_USER_SHADOW_BASE;
-+		if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+			dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+		return copy_user_generic((__force_kernel void *)dst,
-+					 (__force_kernel const void *)src, size);
-+	}
+ 	if (!__builtin_constant_p(size))
+-		return copy_user_generic((__force void *)dst,
+-					 (__force void *)src, size);
++		return copy_user_generic((__force_kernel void *)____m(dst),
++					 (__force_kernel const void *)____m(src), size);
  	switch (size) {
  	case 1: {
  		u8 tmp;
@@ -13472,7 +13461,7 @@ index d8def8b..ac7fc15 100644
  			       ret, "b", "b", "=q", 1);
  		if (likely(!ret))
  			__put_user_asm(tmp, (u8 __user *)dst,
-@@ -185,7 +284,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+@@ -185,7 +251,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
  	}
  	case 2: {
  		u16 tmp;
@@ -13481,7 +13470,7 @@ index d8def8b..ac7fc15 100644
  			       ret, "w", "w", "=r", 2);
  		if (likely(!ret))
  			__put_user_asm(tmp, (u16 __user *)dst,
-@@ -195,7 +294,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+@@ -195,7 +261,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
  
  	case 4: {
  		u32 tmp;
@@ -13490,7 +13479,7 @@ index d8def8b..ac7fc15 100644
  			       ret, "l", "k", "=r", 4);
  		if (likely(!ret))
  			__put_user_asm(tmp, (u32 __user *)dst,
-@@ -204,7 +303,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+@@ -204,7 +270,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
  	}
  	case 8: {
  		u64 tmp;
@@ -13499,22 +13488,14 @@ index d8def8b..ac7fc15 100644
  			       ret, "q", "", "=r", 8);
  		if (likely(!ret))
  			__put_user_asm(tmp, (u64 __user *)dst,
-@@ -212,44 +311,89 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
+@@ -212,44 +278,65 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
  		return ret;
  	}
  	default:
 -		return copy_user_generic((__force void *)dst,
 -					 (__force void *)src, size);
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+		if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+			src += PAX_USER_SHADOW_BASE;
-+		if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+			dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+		return copy_user_generic((__force_kernel void *)dst,
-+					 (__force_kernel const void *)src, size);
++		return copy_user_generic((__force_kernel void *)____m(dst),
++					 (__force_kernel const void *)____m(src), size);
  	}
  }
  
@@ -13531,15 +13512,7 @@ index d8def8b..ac7fc15 100644
 +	if (size > INT_MAX)
 +		return size;
 +
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+	if (!__access_ok(VERIFY_READ, src, size))
-+		return size;
-+
-+	if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+		src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+	return copy_user_generic(dst, (__force_kernel const void *)src, size);
++	return copy_user_generic(dst, (__force_kernel const void *)____m(src), size);
  }
  
 -static __must_check __always_inline int
@@ -13551,15 +13524,7 @@ index d8def8b..ac7fc15 100644
 +	if (size > INT_MAX)
 +		return size;
 +
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+	if (!__access_ok(VERIFY_WRITE, dst, size))
-+		return size;
-+
-+	if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+		dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+	return copy_user_generic((__force_kernel void *)dst, src, size);
++	return copy_user_generic((__force_kernel void *)____m(dst), src, size);
  }
  
 -extern long __copy_user_nocache(void *dst, const void __user *src,
@@ -13763,38 +13728,45 @@ index 38155f6..e4184ba 100644
  extern struct x86_init_ops x86_init;
  extern struct x86_cpuinit_ops x86_cpuinit;
 diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h
-index 8a1b6f9..a29c4e4 100644
+index 8a1b6f9..d47ba6d 100644
 --- a/arch/x86/include/asm/xsave.h
 +++ b/arch/x86/include/asm/xsave.h
-@@ -65,6 +65,11 @@ static inline int xsave_user(struct xsave_struct __user *buf)
+@@ -65,6 +65,8 @@ static inline int xsave_user(struct xsave_struct __user *buf)
  {
  	int err;
  
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+	if ((unsigned long)buf < PAX_USER_SHADOW_BASE)
-+		buf = (struct xsave_struct __user *)((void __user*)buf + PAX_USER_SHADOW_BASE);
-+#endif
++	buf = (struct xsave_struct __user *)____m(buf);
 +
  	/*
  	 * Clear the xsave header first, so that reserved fields are
  	 * initialized to zero.
-@@ -93,10 +98,15 @@ static inline int xsave_user(struct xsave_struct __user *buf)
+@@ -74,7 +76,9 @@ static inline int xsave_user(struct xsave_struct __user *buf)
+ 	if (unlikely(err))
+ 		return -EFAULT;
+ 
+-	__asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x27\n"
++	__asm__ __volatile__("1:"
++			     __copyuser_seg
++			     ".byte " REX_PREFIX "0x0f,0xae,0x27\n"
+ 			     "2:\n"
+ 			     ".section .fixup,\"ax\"\n"
+ 			     "3:  movl $-1,%[err]\n"
+@@ -93,11 +97,13 @@ static inline int xsave_user(struct xsave_struct __user *buf)
  static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask)
  {
  	int err;
 -	struct xsave_struct *xstate = ((__force struct xsave_struct *)buf);
-+	struct xsave_struct *xstate = ((__force_kernel struct xsave_struct *)buf);
++	struct xsave_struct *xstate = ((__force_kernel struct xsave_struct *)____m(buf));
  	u32 lmask = mask;
  	u32 hmask = mask >> 32;
  
-+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF)
-+	if ((unsigned long)xstate < PAX_USER_SHADOW_BASE)
-+		xstate = (struct xsave_struct *)((void *)xstate + PAX_USER_SHADOW_BASE);
-+#endif
-+
- 	__asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n"
+-	__asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n"
++	__asm__ __volatile__("1:"
++			     __copyuser_seg
++			     ".byte " REX_PREFIX "0x0f,0xae,0x2f\n"
  			     "2:\n"
  			     ".section .fixup,\"ax\"\n"
+ 			     "3:  movl $-1,%[err]\n"
 diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
 index 1b8e5a0..354fd59 100644
 --- a/arch/x86/kernel/acpi/sleep.c
@@ -14804,7 +14776,7 @@ index ae42418b..787c16b 100644
  
  	if (__die(str, regs, err))
 diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c
-index 1038a41..ac7e5f6 100644
+index 1038a41..db2c12b 100644
 --- a/arch/x86/kernel/dumpstack_32.c
 +++ b/arch/x86/kernel/dumpstack_32.c
 @@ -38,15 +38,13 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
@@ -14846,7 +14818,7 @@ index 1038a41..ac7e5f6 100644
  		unsigned int code_len = code_bytes;
  		unsigned char c;
  		u8 *ip;
-+		unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(smp_processor_id())[(0xffff & regs->cs) >> 3]);
++		unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(0)[(0xffff & regs->cs) >> 3]);
  
  		pr_emerg("Stack:\n");
  		show_stack_log_lvl(NULL, regs, &regs->sp, 0, KERN_EMERG);
@@ -14896,7 +14868,7 @@ index 1038a41..ac7e5f6 100644
 +EXPORT_SYMBOL(pax_check_alloca);
 +#endif
 diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
-index b653675..33190c0 100644
+index b653675..51cc8c0 100644
 --- a/arch/x86/kernel/dumpstack_64.c
 +++ b/arch/x86/kernel/dumpstack_64.c
 @@ -119,9 +119,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
@@ -14960,6 +14932,15 @@ index b653675..33190c0 100644
  	put_cpu();
  }
  EXPORT_SYMBOL(dump_trace);
+@@ -249,7 +253,7 @@ void show_regs(struct pt_regs *regs)
+ {
+ 	int i;
+ 	unsigned long sp;
+-	const int cpu = smp_processor_id();
++	const int cpu = raw_smp_processor_id();
+ 	struct task_struct *cur = current;
+ 
+ 	sp = regs->sp;
 @@ -304,3 +308,50 @@ int is_valid_bugaddr(unsigned long ip)
  
  	return ud2 == 0x0b0f;
@@ -15831,7 +15812,7 @@ index 8f8e8ee..3617d6e 100644
  
  /*
 diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S
-index dcdd0ea..8f32835 100644
+index dcdd0ea..a520f76 100644
 --- a/arch/x86/kernel/entry_64.S
 +++ b/arch/x86/kernel/entry_64.S
 @@ -57,6 +57,8 @@
@@ -16465,7 +16446,7 @@ index dcdd0ea..8f32835 100644
  retint_restore_args:	/* return to kernel space */
  	DISABLE_INTERRUPTS(CLBR_ANY)
 +	pax_exit_kernel
-+	pax_force_retaddr RIP-ARGOFFSET
++	pax_force_retaddr (RIP-ARGOFFSET)
  	/*
  	 * The iretq could re-enable interrupts:
  	 */
@@ -18677,7 +18658,7 @@ index ef6a845..8028ed3 100644
 +}
 +#endif
 diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
-index 516fa18..80bd9e6 100644
+index 516fa18..d3a7099 100644
 --- a/arch/x86/kernel/process_32.c
 +++ b/arch/x86/kernel/process_32.c
 @@ -64,6 +64,7 @@ asmlinkage void ret_from_fork(void) __asm__("ret_from_fork");
@@ -18688,7 +18669,7 @@ index 516fa18..80bd9e6 100644
  }
  
  void __show_regs(struct pt_regs *regs, int all)
-@@ -73,15 +74,14 @@ void __show_regs(struct pt_regs *regs, int all)
+@@ -73,21 +74,20 @@ void __show_regs(struct pt_regs *regs, int all)
  	unsigned long sp;
  	unsigned short ss, gs;
  
@@ -18706,6 +18687,13 @@ index 516fa18..80bd9e6 100644
  
  	show_regs_common();
  
+ 	printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
+ 			(u16)regs->cs, regs->ip, regs->flags,
+-			smp_processor_id());
++			raw_smp_processor_id());
+ 	print_symbol("EIP is at %s\n", regs->ip);
+ 
+ 	printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
 @@ -134,13 +134,14 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
  	struct task_struct *tsk;
  	int err;
@@ -18826,10 +18814,29 @@ index 0a980c9..1d0e689 100644
  		ip = *(u64 *)(fp+8);
  		if (!in_sched_functions(ip))
 diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
-index c4c6a5c..905f440 100644
+index 9ee1787..33228a7 100644
 --- a/arch/x86/kernel/ptrace.c
 +++ b/arch/x86/kernel/ptrace.c
-@@ -824,7 +824,7 @@ long arch_ptrace(struct task_struct *child, long request,
+@@ -182,14 +182,13 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs)
+ {
+ 	unsigned long context = (unsigned long)regs & ~(THREAD_SIZE - 1);
+ 	unsigned long sp = (unsigned long)&regs->sp;
+-	struct thread_info *tinfo;
+ 
+-	if (context == (sp & ~(THREAD_SIZE - 1)))
++	if (context == ((sp + 8) & ~(THREAD_SIZE - 1)))
+ 		return sp;
+ 
+-	tinfo = (struct thread_info *)context;
+-	if (tinfo->previous_esp)
+-		return tinfo->previous_esp;
++	sp = *(unsigned long *)context;
++	if (sp)
++		return sp;
+ 
+ 	return (unsigned long)regs;
+ }
+@@ -854,7 +853,7 @@ long arch_ptrace(struct task_struct *child, long request,
  		 unsigned long addr, unsigned long data)
  {
  	int ret;
@@ -18838,7 +18845,7 @@ index c4c6a5c..905f440 100644
  
  	switch (request) {
  	/* read the word at location addr in the USER area. */
-@@ -909,14 +909,14 @@ long arch_ptrace(struct task_struct *child, long request,
+@@ -939,14 +938,14 @@ long arch_ptrace(struct task_struct *child, long request,
  		if ((int) addr < 0)
  			return -EIO;
  		ret = do_get_thread_area(child, addr,
@@ -18855,7 +18862,7 @@ index c4c6a5c..905f440 100644
  		break;
  #endif
  
-@@ -1426,7 +1426,7 @@ static void fill_sigtrap_info(struct task_struct *tsk,
+@@ -1456,7 +1455,7 @@ static void fill_sigtrap_info(struct task_struct *tsk,
  	memset(info, 0, sizeof(*info));
  	info->si_signo = SIGTRAP;
  	info->si_code = si_code;
@@ -18864,7 +18871,7 @@ index c4c6a5c..905f440 100644
  }
  
  void user_single_step_siginfo(struct task_struct *tsk,
-@@ -1455,6 +1455,10 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
+@@ -1485,6 +1484,10 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
  # define IS_IA32	0
  #endif
  
@@ -18875,7 +18882,7 @@ index c4c6a5c..905f440 100644
  /*
   * We must return the syscall number to actually look up in the table.
   * This can be -1L to skip running any syscall at all.
-@@ -1463,6 +1467,11 @@ long syscall_trace_enter(struct pt_regs *regs)
+@@ -1493,6 +1496,11 @@ long syscall_trace_enter(struct pt_regs *regs)
  {
  	long ret = 0;
  
@@ -18887,7 +18894,7 @@ index c4c6a5c..905f440 100644
  	/*
  	 * If we stepped into a sysenter/syscall insn, it trapped in
  	 * kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP.
-@@ -1511,6 +1520,11 @@ void syscall_trace_leave(struct pt_regs *regs)
+@@ -1541,6 +1549,11 @@ void syscall_trace_leave(struct pt_regs *regs)
  {
  	bool step;
  
@@ -19245,10 +19252,19 @@ index b280908..6de349e 100644
  
  	if (err)
 diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
-index 7c5a8c3..88d422f 100644
+index 7c5a8c3..8a54a1a 100644
 --- a/arch/x86/kernel/smpboot.c
 +++ b/arch/x86/kernel/smpboot.c
-@@ -670,6 +670,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
+@@ -68,6 +68,8 @@
+ #include <asm/mwait.h>
+ #include <asm/apic.h>
+ #include <asm/io_apic.h>
++#include <asm/i387.h>
++#include <asm/fpu-internal.h>
+ #include <asm/setup.h>
+ #include <asm/uv/uv.h>
+ #include <linux/mc146818rtc.h>
+@@ -670,6 +672,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
  	idle->thread.sp = (unsigned long) (((struct pt_regs *)
  			  (THREAD_SIZE +  task_stack_page(idle))) - 1);
  	per_cpu(current_task, cpu) = idle;
@@ -19256,7 +19272,7 @@ index 7c5a8c3..88d422f 100644
  
  #ifdef CONFIG_X86_32
  	/* Stack for startup_32 can be just as for start_secondary onwards */
-@@ -677,11 +678,13 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
+@@ -677,11 +680,13 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
  #else
  	clear_tsk_thread_flag(idle, TIF_FORK);
  	initial_gs = per_cpu_offset(cpu);
@@ -19273,7 +19289,7 @@ index 7c5a8c3..88d422f 100644
  	initial_code = (unsigned long)start_secondary;
  	stack_start  = idle->thread.sp;
  
-@@ -817,6 +820,12 @@ int __cpuinit native_cpu_up(unsigned int cpu, struct task_struct *tidle)
+@@ -817,6 +822,15 @@ int __cpuinit native_cpu_up(unsigned int cpu, struct task_struct *tidle)
  
  	per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
  
@@ -19283,6 +19299,9 @@ index 7c5a8c3..88d422f 100644
 +			KERNEL_PGD_PTRS);
 +#endif
 +
++	/* the FPU context is blank, nobody can own it */
++	__cpu_disable_lazy_restore(cpu);
++
  	err = do_boot_cpu(apicid, cpu, tidle);
  	if (err) {
  		pr_debug("do_boot_cpu failed %d\n", err);
@@ -20383,7 +20402,7 @@ index 6020f6f..bedd6e3 100644
  EXPORT_SYMBOL(copy_page);
  EXPORT_SYMBOL(clear_page);
 diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c
-index 3d3e207..1a73ab2 100644
+index 3d3e207..316a7e0 100644
 --- a/arch/x86/kernel/xsave.c
 +++ b/arch/x86/kernel/xsave.c
 @@ -132,7 +132,7 @@ int check_for_xstate(struct i387_fxsave_struct __user *buf,
@@ -20400,19 +20419,20 @@ index 3d3e207..1a73ab2 100644
  	 */
  	xrstor_state(init_xstate_buf, pcntxt_mask & ~XSTATE_FPSSE);
 -	return fxrstor_checking((__force struct i387_fxsave_struct *)buf);
-+	return fxrstor_checking((struct i387_fxsave_struct __force_kernel *)buf);
++	return fxrstor_checking((struct i387_fxsave_struct __user *)buf);
  }
  
  /*
-@@ -297,7 +297,7 @@ int restore_i387_xstate(void __user *buf)
+@@ -297,8 +297,7 @@ int restore_i387_xstate(void __user *buf)
  	if (use_xsave())
  		err = restore_user_xstate(buf);
  	else
 -		err = fxrstor_checking((__force struct i387_fxsave_struct *)
-+		err = fxrstor_checking((struct i387_fxsave_struct __force_kernel *)
- 				       buf);
+-				       buf);
++		err = fxrstor_checking((struct i387_fxsave_struct __user *)buf);
  	if (unlikely(err)) {
  		/*
+ 		 * Encountered an error while doing the restore from the
 diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
 index 0595f13..b544fa3 100644
 --- a/arch/x86/kvm/cpuid.c
@@ -20464,22 +20484,8 @@ index 0595f13..b544fa3 100644
  	return 0;
  
  out:
-diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h
-index a10e460..58fc514 100644
---- a/arch/x86/kvm/cpuid.h
-+++ b/arch/x86/kvm/cpuid.h
-@@ -24,6 +24,9 @@ static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu)
- {
- 	struct kvm_cpuid_entry2 *best;
- 
-+	if (!static_cpu_has(X86_FEATURE_XSAVE))
-+		return 0;
-+
- 	best = kvm_find_cpuid_entry(vcpu, 1, 0);
- 	return best && (best->ecx & bit(X86_FEATURE_XSAVE));
- }
 diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
-index a3b57a2..ebbe732 100644
+index a3b57a2..e8f3324 100644
 --- a/arch/x86/kvm/emulate.c
 +++ b/arch/x86/kvm/emulate.c
 @@ -256,6 +256,7 @@ struct gprefix {
@@ -20507,6 +20513,16 @@ index a3b57a2..ebbe732 100644
  		switch ((ctxt)->dst.bytes) {				     \
  		case 1:							     \
  			____emulate_2op(ctxt,_op,_bx,_by,"b",u8);	     \
+@@ -390,8 +388,7 @@ struct gprefix {
+ 			_ASM_EXTABLE(1b, 3b)				\
+ 			: "=m" ((ctxt)->eflags), "=&r" (_tmp),		\
+ 			  "+a" (*rax), "+d" (*rdx), "+qm"(_ex)		\
+-			: "i" (EFLAGS_MASK), "m" ((ctxt)->src.val),	\
+-			  "a" (*rax), "d" (*rdx));			\
++			: "i" (EFLAGS_MASK), "m" ((ctxt)->src.val));	\
+ 	} while (0)
+ 
+ /* instruction has only one source operand, destination is implicit (e.g. mul, div, imul, idiv) */
 diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
 index ce87878..ab48aa3 100644
 --- a/arch/x86/kvm/lapic.c
@@ -20677,7 +20693,7 @@ index ff66a3b..48ad872 100644
  
  	vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP)
 diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
-index 2966c84..9ac0c3c 100644
+index a201790..9ac0c3c 100644
 --- a/arch/x86/kvm/x86.c
 +++ b/arch/x86/kvm/x86.c
 @@ -1379,8 +1379,8 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data)
@@ -20718,16 +20734,6 @@ index 2966c84..9ac0c3c 100644
  {
  	int r;
  	struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque;
-@@ -5762,6 +5764,9 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
- 	int pending_vec, max_bits, idx;
- 	struct desc_ptr dt;
- 
-+	if (!guest_cpuid_has_xsave(vcpu) && (sregs->cr4 & X86_CR4_OSXSAVE))
-+		return -EINVAL;
-+
- 	dt.size = sregs->idt.limit;
- 	dt.address = sregs->idt.base;
- 	kvm_x86_ops->set_idt(vcpu, &dt);
 diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
 index 642d880..cc9ebac 100644
 --- a/arch/x86/lguest/boot.c
@@ -21847,36 +21853,24 @@ index 2419d5f..953ee51 100644
  	CFI_RESTORE_STATE
  
 diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c
-index 25b7ae8..3b52ccd 100644
+index 25b7ae8..169fafc 100644
 --- a/arch/x86/lib/csum-wrappers_64.c
 +++ b/arch/x86/lib/csum-wrappers_64.c
-@@ -52,7 +52,13 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
+@@ -52,7 +52,7 @@ csum_partial_copy_from_user(const void __user *src, void *dst,
  			len -= 2;
  		}
  	}
 -	isum = csum_partial_copy_generic((__force const void *)src,
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+	if ((unsigned long)src < PAX_USER_SHADOW_BASE)
-+		src += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+	isum = csum_partial_copy_generic((const void __force_kernel *)src,
++	isum = csum_partial_copy_generic((const void __force_kernel *)____m(src),
  				dst, len, isum, errp, NULL);
  	if (unlikely(*errp))
  		goto out_err;
-@@ -105,7 +111,13 @@ csum_partial_copy_to_user(const void *src, void __user *dst,
+@@ -105,7 +105,7 @@ csum_partial_copy_to_user(const void *src, void __user *dst,
  	}
  
  	*errp = 0;
 -	return csum_partial_copy_generic(src, (void __force *)dst,
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+	if ((unsigned long)dst < PAX_USER_SHADOW_BASE)
-+		dst += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+	return csum_partial_copy_generic(src, (void __force_kernel *)dst,
++	return csum_partial_copy_generic(src, (void __force_kernel *)____m(dst),
  					 len, isum, NULL, errp);
  }
  EXPORT_SYMBOL(csum_partial_copy_to_user);
@@ -23576,23 +23570,19 @@ index 1781b2f..90368dd 100644
 +EXPORT_SYMBOL(set_fs);
 +#endif
 diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
-index e5b130b..6690d31 100644
+index e5b130b..7d33980 100644
 --- a/arch/x86/lib/usercopy_64.c
 +++ b/arch/x86/lib/usercopy_64.c
-@@ -16,6 +16,12 @@ unsigned long __clear_user(void __user *addr, unsigned long size)
- {
- 	long __d0;
- 	might_fault();
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+	if ((unsigned long)addr < PAX_USER_SHADOW_BASE)
-+		addr += PAX_USER_SHADOW_BASE;
-+#endif
-+
- 	/* no memory constraint because it doesn't change any memory gcc knows
- 	   about */
- 	asm volatile(
-@@ -52,12 +58,20 @@ unsigned long clear_user(void __user *to, unsigned long n)
+@@ -38,7 +38,7 @@ unsigned long __clear_user(void __user *addr, unsigned long size)
+ 		_ASM_EXTABLE(0b,3b)
+ 		_ASM_EXTABLE(1b,2b)
+ 		: [size8] "=&c"(size), [dst] "=&D" (__d0)
+-		: [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr),
++		: [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(____m(addr)),
+ 		  [zero] "r" (0UL), [eight] "r" (8UL));
+ 	return size;
+ }
+@@ -52,12 +52,11 @@ unsigned long clear_user(void __user *to, unsigned long n)
  }
  EXPORT_SYMBOL(clear_user);
  
@@ -23603,22 +23593,13 @@ index e5b130b..6690d31 100644
 -		return copy_user_generic((__force void *)to, (__force void *)from, len);
 -	} 
 -	return len;		
-+	if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) {
-+
-+#ifdef CONFIG_PAX_MEMORY_UDEREF
-+		if ((unsigned long)to < PAX_USER_SHADOW_BASE)
-+			to += PAX_USER_SHADOW_BASE;
-+		if ((unsigned long)from < PAX_USER_SHADOW_BASE)
-+			from += PAX_USER_SHADOW_BASE;
-+#endif
-+
-+		return copy_user_generic((void __force_kernel *)to, (void __force_kernel *)from, len);
-+	}
++	if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len))
++		return copy_user_generic((void __force_kernel *)____m(to), (void __force_kernel *)____m(from), len);
 +	return len;
  }
  EXPORT_SYMBOL(copy_in_user);
  
-@@ -67,7 +81,7 @@ EXPORT_SYMBOL(copy_in_user);
+@@ -67,7 +66,7 @@ EXPORT_SYMBOL(copy_in_user);
   * it is not necessary to optimize tail handling.
   */
  unsigned long
@@ -23627,7 +23608,7 @@ index e5b130b..6690d31 100644
  {
  	char c;
  	unsigned zero_len;
-@@ -84,3 +98,15 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
+@@ -84,3 +83,15 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest)
  			break;
  	return len;
  }
@@ -33847,7 +33828,7 @@ index 693e149..b7e0fde 100644
  	pmd->bl_info.value_type.inc = data_block_inc;
  	pmd->bl_info.value_type.dec = data_block_dec;
 diff --git a/drivers/md/dm.c b/drivers/md/dm.c
-index 67ffa39..cb3b1dd 100644
+index 4256200..154b975 100644
 --- a/drivers/md/dm.c
 +++ b/drivers/md/dm.c
 @@ -176,9 +176,9 @@ struct mapped_device {
@@ -33862,7 +33843,7 @@ index 67ffa39..cb3b1dd 100644
  	struct list_head uevent_list;
  	spinlock_t uevent_lock; /* Protect access to uevent_list */
  
-@@ -1887,8 +1887,8 @@ static struct mapped_device *alloc_dev(int minor)
+@@ -1893,8 +1893,8 @@ static struct mapped_device *alloc_dev(int minor)
  	rwlock_init(&md->map_lock);
  	atomic_set(&md->holders, 1);
  	atomic_set(&md->open_count, 0);
@@ -33873,7 +33854,7 @@ index 67ffa39..cb3b1dd 100644
  	INIT_LIST_HEAD(&md->uevent_list);
  	spin_lock_init(&md->uevent_lock);
  
-@@ -2022,7 +2022,7 @@ static void event_callback(void *context)
+@@ -2028,7 +2028,7 @@ static void event_callback(void *context)
  
  	dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj);
  
@@ -33882,7 +33863,7 @@ index 67ffa39..cb3b1dd 100644
  	wake_up(&md->eventq);
  }
  
-@@ -2677,18 +2677,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
+@@ -2683,18 +2683,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
  
  uint32_t dm_next_uevent_seq(struct mapped_device *md)
  {
@@ -33905,7 +33886,7 @@ index 67ffa39..cb3b1dd 100644
  
  void dm_uevent_add(struct mapped_device *md, struct list_head *elist)
 diff --git a/drivers/md/md.c b/drivers/md/md.c
-index 308e87b..7f365d6 100644
+index c7b000f..15a8b22 100644
 --- a/drivers/md/md.c
 +++ b/drivers/md/md.c
 @@ -277,10 +277,10 @@ EXPORT_SYMBOL_GPL(md_trim_bio);
@@ -34103,10 +34084,10 @@ index 05bb49e..84d7ce6 100644
  					       "md/raid1:%s: read error corrected "
  					       "(%d sectors at %llu on %s)\n",
 diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
-index a48c215..6bda6f4 100644
+index c52d893..69c5d80 100644
 --- a/drivers/md/raid10.c
 +++ b/drivers/md/raid10.c
-@@ -1810,7 +1810,7 @@ static void end_sync_read(struct bio *bio, int error)
+@@ -1814,7 +1814,7 @@ static void end_sync_read(struct bio *bio, int error)
  		/* The write handler will notice the lack of
  		 * R10BIO_Uptodate and record any errors etc
  		 */
@@ -34115,7 +34096,7 @@ index a48c215..6bda6f4 100644
  			   &conf->mirrors[d].rdev->corrected_errors);
  
  	/* for reconstruct, we always reschedule after a read.
-@@ -2159,7 +2159,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
+@@ -2163,7 +2163,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
  {
  	struct timespec cur_time_mon;
  	unsigned long hours_since_last;
@@ -34124,7 +34105,7 @@ index a48c215..6bda6f4 100644
  
  	ktime_get_ts(&cur_time_mon);
  
-@@ -2181,9 +2181,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
+@@ -2185,9 +2185,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev)
  	 * overflowing the shift of read_errors by hours_since_last.
  	 */
  	if (hours_since_last >= 8 * sizeof(read_errors))
@@ -34136,7 +34117,7 @@ index a48c215..6bda6f4 100644
  }
  
  static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector,
-@@ -2237,8 +2237,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
+@@ -2241,8 +2241,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
  		return;
  
  	check_decay_read_errors(mddev, rdev);
@@ -34147,7 +34128,7 @@ index a48c215..6bda6f4 100644
  		char b[BDEVNAME_SIZE];
  		bdevname(rdev->bdev, b);
  
-@@ -2246,7 +2246,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
+@@ -2250,7 +2250,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
  		       "md/raid10:%s: %s: Raid device exceeded "
  		       "read_error threshold [cur %d:max %d]\n",
  		       mdname(mddev), b,
@@ -34156,7 +34137,7 @@ index a48c215..6bda6f4 100644
  		printk(KERN_NOTICE
  		       "md/raid10:%s: %s: Failing raid device\n",
  		       mdname(mddev), b);
-@@ -2401,7 +2401,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
+@@ -2405,7 +2405,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10
  					       sect +
  					       choose_data_offset(r10_bio, rdev)),
  				       bdevname(rdev->bdev, b));
@@ -35467,10 +35448,10 @@ index 3456d56..b688d81 100644
  
  	/* grab the ptp lock */
 diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
-index 400f86a..7f2e062 100644
+index 0722f33..771758a 100644
 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
 +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
-@@ -2799,6 +2799,7 @@ struct ixgbe_eeprom_operations {
+@@ -2800,6 +2800,7 @@ struct ixgbe_eeprom_operations {
  	s32 (*update_checksum)(struct ixgbe_hw *);
  	u16 (*calc_checksum)(struct ixgbe_hw *);
  };
@@ -35478,7 +35459,7 @@ index 400f86a..7f2e062 100644
  
  struct ixgbe_mac_operations {
  	s32 (*init_hw)(struct ixgbe_hw *);
-@@ -2865,6 +2866,7 @@ struct ixgbe_mac_operations {
+@@ -2866,6 +2867,7 @@ struct ixgbe_mac_operations {
  	s32 (*get_thermal_sensor_data)(struct ixgbe_hw *);
  	s32 (*init_thermal_sensor_thresh)(struct ixgbe_hw *hw);
  };
@@ -35486,7 +35467,7 @@ index 400f86a..7f2e062 100644
  
  struct ixgbe_phy_operations {
  	s32 (*identify)(struct ixgbe_hw *);
-@@ -2884,9 +2886,10 @@ struct ixgbe_phy_operations {
+@@ -2885,9 +2887,10 @@ struct ixgbe_phy_operations {
  	s32 (*write_i2c_eeprom)(struct ixgbe_hw *, u8, u8);
  	s32 (*check_overtemp)(struct ixgbe_hw *);
  };
@@ -35498,7 +35479,7 @@ index 400f86a..7f2e062 100644
  	enum ixgbe_eeprom_type          type;
  	u32                             semaphore_delay;
  	u16                             word_size;
-@@ -2896,7 +2899,7 @@ struct ixgbe_eeprom_info {
+@@ -2897,7 +2900,7 @@ struct ixgbe_eeprom_info {
  
  #define IXGBE_FLAGS_DOUBLE_RESET_REQUIRED	0x01
  struct ixgbe_mac_info {
@@ -35507,7 +35488,7 @@ index 400f86a..7f2e062 100644
  	enum ixgbe_mac_type             type;
  	u8                              addr[ETH_ALEN];
  	u8                              perm_addr[ETH_ALEN];
-@@ -2926,7 +2929,7 @@ struct ixgbe_mac_info {
+@@ -2927,7 +2930,7 @@ struct ixgbe_mac_info {
  };
  
  struct ixgbe_phy_info {
@@ -35516,7 +35497,7 @@ index 400f86a..7f2e062 100644
  	struct mdio_if_info		mdio;
  	enum ixgbe_phy_type             type;
  	u32                             id;
-@@ -2954,6 +2957,7 @@ struct ixgbe_mbx_operations {
+@@ -2955,6 +2958,7 @@ struct ixgbe_mbx_operations {
  	s32 (*check_for_ack)(struct ixgbe_hw *, u16);
  	s32 (*check_for_rst)(struct ixgbe_hw *, u16);
  };
@@ -35524,7 +35505,7 @@ index 400f86a..7f2e062 100644
  
  struct ixgbe_mbx_stats {
  	u32 msgs_tx;
-@@ -2965,7 +2969,7 @@ struct ixgbe_mbx_stats {
+@@ -2966,7 +2970,7 @@ struct ixgbe_mbx_stats {
  };
  
  struct ixgbe_mbx_info {
@@ -35571,6 +35552,19 @@ index 25c951d..cc7cf33 100644
  	struct ixgbe_mbx_stats stats;
  	u32 timeout;
  	u32 udelay;
+diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
+index 5d367958..b799ab12 100644
+--- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
++++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c
+@@ -237,7 +237,7 @@ static int mlx4_en_dcbnl_ieee_setmaxrate(struct net_device *dev,
+ 	if (err)
+ 		return err;
+ 
+-	memcpy(priv->maxrate, tmp, sizeof(*priv->maxrate));
++	memcpy(priv->maxrate, tmp, sizeof(priv->maxrate));
+ 
+ 	return 0;
+ }
 diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.h b/drivers/net/ethernet/neterion/vxge/vxge-config.h
 index 9e0c1ee..8471f77 100644
 --- a/drivers/net/ethernet/neterion/vxge/vxge-config.h
@@ -39576,6 +39570,54 @@ index 3440812..2a4ef1f 100644
  	if (file->f_version != event_count) {
  		file->f_version = event_count;
  		return POLLIN | POLLRDNORM;
+diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
+index 75ba209..08bf89e 100644
+--- a/drivers/usb/core/hcd.c
++++ b/drivers/usb/core/hcd.c
+@@ -1478,7 +1478,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
+ 	 */
+ 	usb_get_urb(urb);
+ 	atomic_inc(&urb->use_count);
+-	atomic_inc(&urb->dev->urbnum);
++	atomic_inc_unchecked(&urb->dev->urbnum);
+ 	usbmon_urb_submit(&hcd->self, urb);
+ 
+ 	/* NOTE requirements on root-hub callers (usbfs and the hub
+@@ -1505,7 +1505,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags)
+ 		urb->hcpriv = NULL;
+ 		INIT_LIST_HEAD(&urb->urb_list);
+ 		atomic_dec(&urb->use_count);
+-		atomic_dec(&urb->dev->urbnum);
++		atomic_dec_unchecked(&urb->dev->urbnum);
+ 		if (atomic_read(&urb->reject))
+ 			wake_up(&usb_kill_urb_queue);
+ 		usb_put_urb(urb);
+diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
+index 682e825..06d4f69 100644
+--- a/drivers/usb/core/sysfs.c
++++ b/drivers/usb/core/sysfs.c
+@@ -226,7 +226,7 @@ show_urbnum(struct device *dev, struct device_attribute *attr, char *buf)
+ 	struct usb_device *udev;
+ 
+ 	udev = to_usb_device(dev);
+-	return sprintf(buf, "%d\n", atomic_read(&udev->urbnum));
++	return sprintf(buf, "%d\n", atomic_read_unchecked(&udev->urbnum));
+ }
+ static DEVICE_ATTR(urbnum, S_IRUGO, show_urbnum, NULL);
+ 
+diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
+index cd8fb44..17fbe0c 100644
+--- a/drivers/usb/core/usb.c
++++ b/drivers/usb/core/usb.c
+@@ -397,7 +397,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
+ 	set_dev_node(&dev->dev, dev_to_node(bus->controller));
+ 	dev->state = USB_STATE_ATTACHED;
+ 	dev->lpm_disable_count = 1;
+-	atomic_set(&dev->urbnum, 0);
++	atomic_set_unchecked(&dev->urbnum, 0);
+ 
+ 	INIT_LIST_HEAD(&dev->ep0.urb_list);
+ 	dev->ep0.desc.bLength = USB_DT_ENDPOINT_SIZE;
 diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
 index 89dcf15..481800b 100644
 --- a/drivers/usb/early/ehci-dbgp.c
@@ -39769,7 +39811,7 @@ index 57c01ab..8a05959 100644
  
  /*
 diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
-index ef82a0d..da8a0b3 100644
+index ef82a0d..78a026b 100644
 --- a/drivers/vhost/vhost.c
 +++ b/drivers/vhost/vhost.c
 @@ -634,7 +634,7 @@ static long vhost_set_memory(struct vhost_dev *d, struct vhost_memory __user *m)
@@ -39781,6 +39823,15 @@ index ef82a0d..da8a0b3 100644
  {
  	struct file *eventfp, *filep = NULL,
  		    *pollstart = NULL, *pollstop = NULL;
+@@ -1076,7 +1076,7 @@ static int translate_desc(struct vhost_dev *dev, u64 addr, u32 len,
+ 		}
+ 		_iov = iov + ret;
+ 		size = reg->memory_size - addr + reg->guest_phys_addr;
+-		_iov->iov_len = min((u64)len, size);
++		_iov->iov_len = min((u64)len - s, size);
+ 		_iov->iov_base = (void __user *)(unsigned long)
+ 			(reg->userspace_addr + addr - reg->guest_phys_addr);
+ 		s += size;
 diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
 index 747442d..7c0c434 100644
 --- a/drivers/video/aty/aty128fb.c
@@ -44633,6 +44684,29 @@ index ce41fee..ac0d27a 100644
  #endif /* CONFIG_CIFS_STATS2 */
  
  	}
+diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
+index d87f826..1bab9d4 100644
+--- a/fs/cifs/readdir.c
++++ b/fs/cifs/readdir.c
+@@ -86,14 +86,17 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name,
+ 
+ 	dentry = d_lookup(parent, name);
+ 	if (dentry) {
++		int err;
+ 		inode = dentry->d_inode;
+ 		/* update inode in place if i_ino didn't change */
+ 		if (inode && CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) {
+ 			cifs_fattr_to_inode(inode, fattr);
+ 			return dentry;
+ 		}
+-		d_drop(dentry);
++		err = d_invalidate(dentry);
+ 		dput(dentry);
++		if (err)
++			return NULL;
+ 	}
+ 
+ 	dentry = d_alloc(parent, name);
 diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
 index 3129ac7..cc4a948 100644
 --- a/fs/cifs/smb1ops.c
@@ -47896,10 +47970,10 @@ index 8349a89..51a0254 100644
  static int can_do_hugetlb_shm(void)
  {
 diff --git a/fs/inode.c b/fs/inode.c
-index ac8d904..9f45d40 100644
+index 7c14897..d40169e 100644
 --- a/fs/inode.c
 +++ b/fs/inode.c
-@@ -867,8 +867,8 @@ unsigned int get_next_ino(void)
+@@ -880,8 +880,8 @@ unsigned int get_next_ino(void)
  
  #ifdef CONFIG_SMP
  	if (unlikely((res & (LAST_INO_BATCH-1)) == 0)) {
@@ -48023,7 +48097,7 @@ index 7e81bfc..c3649aa 100644
  
  	lock_flocks();
 diff --git a/fs/namei.c b/fs/namei.c
-index 091c4b7..fbcb268 100644
+index 091c4b7..eb220a4 100644
 --- a/fs/namei.c
 +++ b/fs/namei.c
 @@ -265,16 +265,32 @@ int generic_permission(struct inode *inode, int mask)
@@ -48164,7 +48238,19 @@ index 091c4b7..fbcb268 100644
  		if (unlikely(!audit_dummy_context())) {
  			if (nd->path.dentry && nd->inode)
  				audit_inode(name, nd->path.dentry);
-@@ -2336,6 +2378,13 @@ static int may_open(struct path *path, int acc_mode, int flag)
+@@ -2076,6 +2118,11 @@ struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
+ 	if (!len)
+ 		return ERR_PTR(-EACCES);
+ 
++	if (unlikely(name[0] == '.')) {
++		if (len < 2 || (len == 2 && name[1] == '.'))
++			return ERR_PTR(-EACCES);
++	}
++
+ 	while (len--) {
+ 		c = *(const unsigned char *)name++;
+ 		if (c == '/' || c == '\0')
+@@ -2336,6 +2383,13 @@ static int may_open(struct path *path, int acc_mode, int flag)
  	if (flag & O_NOATIME && !inode_owner_or_capable(inode))
  		return -EPERM;
  
@@ -48178,7 +48264,7 @@ index 091c4b7..fbcb268 100644
  	return 0;
  }
  
-@@ -2557,7 +2606,7 @@ looked_up:
+@@ -2557,7 +2611,7 @@ looked_up:
   * cleared otherwise prior to returning.
   */
  static int lookup_open(struct nameidata *nd, struct path *path,
@@ -48187,7 +48273,7 @@ index 091c4b7..fbcb268 100644
  			const struct open_flags *op,
  			bool got_write, int *opened)
  {
-@@ -2592,6 +2641,17 @@ static int lookup_open(struct nameidata *nd, struct path *path,
+@@ -2592,6 +2646,17 @@ 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;
@@ -48205,7 +48291,7 @@ index 091c4b7..fbcb268 100644
  		if (!IS_POSIXACL(dir->d_inode))
  			mode &= ~current_umask();
  		/*
-@@ -2613,6 +2673,8 @@ static int lookup_open(struct nameidata *nd, struct path *path,
+@@ -2613,6 +2678,8 @@ static int lookup_open(struct nameidata *nd, struct path *path,
  				   nd->flags & LOOKUP_EXCL);
  		if (error)
  			goto out_dput;
@@ -48214,7 +48300,7 @@ index 091c4b7..fbcb268 100644
  	}
  out_no_open:
  	path->dentry = dentry;
-@@ -2627,7 +2689,7 @@ out_dput:
+@@ -2627,7 +2694,7 @@ out_dput:
  /*
   * Handle the last step of open()
   */
@@ -48223,7 +48309,7 @@ index 091c4b7..fbcb268 100644
  		   struct file *file, const struct open_flags *op,
  		   int *opened, const char *pathname)
  {
-@@ -2656,16 +2718,44 @@ static int do_last(struct nameidata *nd, struct path *path,
+@@ -2656,16 +2723,44 @@ static int do_last(struct nameidata *nd, struct path *path,
  		error = complete_walk(nd);
  		if (error)
  			return error;
@@ -48268,7 +48354,7 @@ index 091c4b7..fbcb268 100644
  		audit_inode(pathname, dir);
  		goto finish_open;
  	}
-@@ -2714,7 +2804,7 @@ retry_lookup:
+@@ -2714,7 +2809,7 @@ retry_lookup:
  		 */
  	}
  	mutex_lock(&dir->d_inode->i_mutex);
@@ -48277,7 +48363,7 @@ index 091c4b7..fbcb268 100644
  	mutex_unlock(&dir->d_inode->i_mutex);
  
  	if (error <= 0) {
-@@ -2738,11 +2828,28 @@ retry_lookup:
+@@ -2738,11 +2833,28 @@ retry_lookup:
  		goto finish_open_created;
  	}
  
@@ -48307,7 +48393,7 @@ index 091c4b7..fbcb268 100644
  
  	/*
  	 * If atomic_open() acquired write access it is dropped now due to
-@@ -2783,6 +2890,11 @@ finish_lookup:
+@@ -2783,6 +2895,11 @@ finish_lookup:
  			}
  		}
  		BUG_ON(inode != path->dentry->d_inode);
@@ -48319,7 +48405,7 @@ index 091c4b7..fbcb268 100644
  		return 1;
  	}
  
-@@ -2792,7 +2904,6 @@ finish_lookup:
+@@ -2792,7 +2909,6 @@ finish_lookup:
  		save_parent.dentry = nd->path.dentry;
  		save_parent.mnt = mntget(path->mnt);
  		nd->path.dentry = path->dentry;
@@ -48327,7 +48413,7 @@ index 091c4b7..fbcb268 100644
  	}
  	nd->inode = inode;
  	/* Why this, you ask?  _Now_ we might have grown LOOKUP_JUMPED... */
-@@ -2801,6 +2912,22 @@ finish_lookup:
+@@ -2801,6 +2917,22 @@ finish_lookup:
  		path_put(&save_parent);
  		return error;
  	}
@@ -48350,7 +48436,7 @@ index 091c4b7..fbcb268 100644
  	error = -EISDIR;
  	if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode))
  		goto out;
-@@ -2899,7 +3026,7 @@ static struct file *path_openat(int dfd, const char *pathname,
+@@ -2899,7 +3031,7 @@ static struct file *path_openat(int dfd, const char *pathname,
  	if (unlikely(error))
  		goto out;
  
@@ -48359,7 +48445,7 @@ index 091c4b7..fbcb268 100644
  	while (unlikely(error > 0)) { /* trailing symlink */
  		struct path link = path;
  		void *cookie;
-@@ -2917,7 +3044,7 @@ static struct file *path_openat(int dfd, const char *pathname,
+@@ -2917,7 +3049,7 @@ static struct file *path_openat(int dfd, const char *pathname,
  		error = follow_link(&link, nd, &cookie);
  		if (unlikely(error))
  			break;
@@ -48368,7 +48454,7 @@ index 091c4b7..fbcb268 100644
  		put_link(nd, &link, cookie);
  	}
  out:
-@@ -3006,8 +3133,12 @@ struct dentry *kern_path_create(int dfd, const char *pathname, struct path *path
+@@ -3006,8 +3138,12 @@ struct dentry *kern_path_create(int dfd, const char *pathname, struct path *path
  		goto unlock;
  
  	error = -EEXIST;
@@ -48382,7 +48468,7 @@ index 091c4b7..fbcb268 100644
  	/*
  	 * Special case - lookup gave negative, but... we had foo/bar/
  	 * From the vfs_mknod() POV we just have a negative dentry -
-@@ -3058,6 +3189,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, struct pat
+@@ -3058,6 +3194,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, struct pat
  }
  EXPORT_SYMBOL(user_path_create);
  
@@ -48403,7 +48489,7 @@ index 091c4b7..fbcb268 100644
  int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
  {
  	int error = may_create(dir, dentry);
-@@ -3119,6 +3264,17 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
+@@ -3119,6 +3269,17 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
  
  	if (!IS_POSIXACL(path.dentry->d_inode))
  		mode &= ~current_umask();
@@ -48421,7 +48507,7 @@ index 091c4b7..fbcb268 100644
  	error = security_path_mknod(&path, dentry, mode, dev);
  	if (error)
  		goto out;
-@@ -3135,6 +3291,8 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
+@@ -3135,6 +3296,8 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode,
  			break;
  	}
  out:
@@ -48430,7 +48516,7 @@ index 091c4b7..fbcb268 100644
  	done_path_create(&path, dentry);
  	return error;
  }
-@@ -3181,9 +3339,18 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
+@@ -3181,9 +3344,18 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode)
  
  	if (!IS_POSIXACL(path.dentry->d_inode))
  		mode &= ~current_umask();
@@ -48449,7 +48535,7 @@ index 091c4b7..fbcb268 100644
  	done_path_create(&path, dentry);
  	return error;
  }
-@@ -3260,6 +3427,8 @@ static long do_rmdir(int dfd, const char __user *pathname)
+@@ -3260,6 +3432,8 @@ static long do_rmdir(int dfd, const char __user *pathname)
  	char * name;
  	struct dentry *dentry;
  	struct nameidata nd;
@@ -48458,7 +48544,7 @@ index 091c4b7..fbcb268 100644
  
  	error = user_path_parent(dfd, pathname, &nd, &name);
  	if (error)
-@@ -3291,10 +3460,21 @@ static long do_rmdir(int dfd, const char __user *pathname)
+@@ -3291,10 +3465,21 @@ static long do_rmdir(int dfd, const char __user *pathname)
  		error = -ENOENT;
  		goto exit3;
  	}
@@ -48480,7 +48566,7 @@ index 091c4b7..fbcb268 100644
  exit3:
  	dput(dentry);
  exit2:
-@@ -3356,6 +3536,8 @@ static long do_unlinkat(int dfd, const char __user *pathname)
+@@ -3356,6 +3541,8 @@ static long do_unlinkat(int dfd, const char __user *pathname)
  	struct dentry *dentry;
  	struct nameidata nd;
  	struct inode *inode = NULL;
@@ -48489,7 +48575,7 @@ index 091c4b7..fbcb268 100644
  
  	error = user_path_parent(dfd, pathname, &nd, &name);
  	if (error)
-@@ -3381,10 +3563,22 @@ static long do_unlinkat(int dfd, const char __user *pathname)
+@@ -3381,10 +3568,22 @@ static long do_unlinkat(int dfd, const char __user *pathname)
  		if (!inode)
  			goto slashes;
  		ihold(inode);
@@ -48512,7 +48598,7 @@ index 091c4b7..fbcb268 100644
  exit2:
  		dput(dentry);
  	}
-@@ -3456,9 +3650,17 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
+@@ -3456,9 +3655,17 @@ SYSCALL_DEFINE3(symlinkat, const char __user *, oldname,
  	if (IS_ERR(dentry))
  		goto out_putname;
  
@@ -48530,7 +48616,7 @@ index 091c4b7..fbcb268 100644
  	done_path_create(&path, dentry);
  out_putname:
  	putname(from);
-@@ -3528,6 +3730,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+@@ -3528,6 +3735,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
  {
  	struct dentry *new_dentry;
  	struct path old_path, new_path;
@@ -48538,7 +48624,7 @@ index 091c4b7..fbcb268 100644
  	int how = 0;
  	int error;
  
-@@ -3551,7 +3754,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+@@ -3551,7 +3759,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
  	if (error)
  		return error;
  
@@ -48547,7 +48633,7 @@ index 091c4b7..fbcb268 100644
  	error = PTR_ERR(new_dentry);
  	if (IS_ERR(new_dentry))
  		goto out;
-@@ -3562,11 +3765,28 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
+@@ -3562,11 +3770,28 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname,
  	error = may_linkat(&old_path);
  	if (unlikely(error))
  		goto out_dput;
@@ -48576,7 +48662,7 @@ index 091c4b7..fbcb268 100644
  	done_path_create(&new_path, new_dentry);
  out:
  	path_put(&old_path);
-@@ -3802,12 +4022,21 @@ SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
+@@ -3802,12 +4027,21 @@ SYSCALL_DEFINE4(renameat, int, olddfd, const char __user *, oldname,
  	if (new_dentry == trap)
  		goto exit5;
  
@@ -48598,7 +48684,7 @@ index 091c4b7..fbcb268 100644
  exit5:
  	dput(new_dentry);
  exit4:
-@@ -3832,6 +4061,8 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna
+@@ -3832,6 +4066,8 @@ 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)
  {
@@ -48607,7 +48693,7 @@ index 091c4b7..fbcb268 100644
  	int len;
  
  	len = PTR_ERR(link);
-@@ -3841,7 +4072,14 @@ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const c
+@@ -3841,7 +4077,14 @@ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const c
  	len = strlen(link);
  	if (len > (unsigned) buflen)
  		len = buflen;
@@ -48686,6 +48772,38 @@ index 7bdf790..eb79c4b 100644
  	get_fs_root(current->fs, &root);
  	error = lock_mount(&old);
  	if (error)
+diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
+index 627f108..afc1fc5b 100644
+--- a/fs/nfs/dir.c
++++ b/fs/nfs/dir.c
+@@ -450,7 +450,8 @@ void nfs_prime_dcache(struct dentry *parent, struct nfs_entry *entry)
+ 			nfs_refresh_inode(dentry->d_inode, entry->fattr);
+ 			goto out;
+ 		} else {
+-			d_drop(dentry);
++			if (d_invalidate(dentry) != 0)
++				goto out;
+ 			dput(dentry);
+ 		}
+ 	}
+@@ -1100,6 +1101,8 @@ out_set_verifier:
+ out_zap_parent:
+ 	nfs_zap_caches(dir);
+  out_bad:
++	nfs_free_fattr(fattr);
++	nfs_free_fhandle(fhandle);
+ 	nfs_mark_for_revalidate(dir);
+ 	if (inode && S_ISDIR(inode->i_mode)) {
+ 		/* Purge readdir caches. */
+@@ -1112,8 +1115,6 @@ out_zap_parent:
+ 		shrink_dcache_parent(dentry);
+ 	}
+ 	d_drop(dentry);
+-	nfs_free_fattr(fattr);
+-	nfs_free_fhandle(fhandle);
+ 	dput(parent);
+ 	dfprintk(LOOKUPCACHE, "NFS: %s(%s/%s) is invalid\n",
+ 			__func__, dentry->d_parent->d_name.name,
 diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
 index 9b47610..066975e 100644
 --- a/fs/nfs/inode.c
@@ -63441,18 +63559,20 @@ index aa2e167..84024ce 100644
  };
  
 diff --git a/include/linux/init.h b/include/linux/init.h
-index 5e664f6..15ae326 100644
+index 5e664f6..ba694f0 100644
 --- a/include/linux/init.h
 +++ b/include/linux/init.h
-@@ -39,9 +39,33 @@
+@@ -39,9 +39,36 @@
   * Also note, that this data cannot be "const".
   */
  
 +#ifdef MODULE
 +#define add_init_latent_entropy
++#define add_devinit_latent_entropy
++#define add_cpuinit_latent_entropy
++#define add_meminit_latent_entropy
 +#else
 +#define add_init_latent_entropy __latent_entropy
-+#endif
 +
 +#ifdef CONFIG_HOTPLUG
 +#define add_devinit_latent_entropy
@@ -63471,6 +63591,7 @@ index 5e664f6..15ae326 100644
 +#else
 +#define add_meminit_latent_entropy __latent_entropy
 +#endif
++#endif
 +
  /* These are for everybody (although not all archs will actually
     discard it in modules) */
@@ -63479,7 +63600,7 @@ index 5e664f6..15ae326 100644
  #define __initdata	__section(.init.data)
  #define __initconst	__section(.init.rodata)
  #define __exitdata	__section(.exit.data)
-@@ -83,7 +107,7 @@
+@@ -83,7 +110,7 @@
  #define __exit          __section(.exit.text) __exitused __cold notrace
  
  /* Used for HOTPLUG */
@@ -63488,7 +63609,7 @@ index 5e664f6..15ae326 100644
  #define __devinitdata    __section(.devinit.data)
  #define __devinitconst   __section(.devinit.rodata)
  #define __devexit        __section(.devexit.text) __exitused __cold notrace
-@@ -91,7 +115,7 @@
+@@ -91,7 +118,7 @@
  #define __devexitconst   __section(.devexit.rodata)
  
  /* Used for HOTPLUG_CPU */
@@ -63497,7 +63618,7 @@ index 5e664f6..15ae326 100644
  #define __cpuinitdata    __section(.cpuinit.data)
  #define __cpuinitconst   __section(.cpuinit.rodata)
  #define __cpuexit        __section(.cpuexit.text) __exitused __cold notrace
-@@ -99,7 +123,7 @@
+@@ -99,7 +126,7 @@
  #define __cpuexitconst   __section(.cpuexit.rodata)
  
  /* Used for MEMORY_HOTPLUG */
@@ -65339,6 +65460,19 @@ index 99c1b4d..bb94261 100644
  }
  
  static inline void put_unaligned_le16(u16 val, void *p)
+diff --git a/include/linux/usb.h b/include/linux/usb.h
+index 30d1ae3..aecd07e 100644
+--- a/include/linux/usb.h
++++ b/include/linux/usb.h
+@@ -546,7 +546,7 @@ struct usb_device {
+ 	struct usb_device **children;
+ 
+ 	u32 quirks;
+-	atomic_t urbnum;
++	atomic_unchecked_t urbnum;
+ 
+ 	unsigned long active_duration;
+ 
 diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h
 index c5d36c6..8478c90 100644
 --- a/include/linux/usb/renesas_usbhs.h
@@ -67978,7 +68112,7 @@ index 2c8857e..288c9c7 100644
  			else
  				new_fs = fs;
 diff --git a/kernel/futex.c b/kernel/futex.c
-index 20ef219..b3a0cb2 100644
+index 19eb089..b8c65ea 100644
 --- a/kernel/futex.c
 +++ b/kernel/futex.c
 @@ -54,6 +54,7 @@
@@ -68001,7 +68135,7 @@ index 20ef219..b3a0cb2 100644
  	/*
  	 * The futex address must be "naturally" aligned.
  	 */
-@@ -2717,6 +2723,7 @@ static int __init futex_init(void)
+@@ -2733,6 +2739,7 @@ static int __init futex_init(void)
  {
  	u32 curval;
  	int i;
@@ -68009,7 +68143,7 @@ index 20ef219..b3a0cb2 100644
  
  	/*
  	 * This will fail and we want it. Some arch implementations do
-@@ -2728,8 +2735,11 @@ static int __init futex_init(void)
+@@ -2744,8 +2751,11 @@ static int __init futex_init(void)
  	 * implementation, the non-functional ones will return
  	 * -ENOSYS.
  	 */
@@ -70412,7 +70546,7 @@ index 98ec494..4241d6d 100644
  
  	default:
 diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c
-index 0984a21..939f183 100644
+index 0984a21..7e50319 100644
 --- a/kernel/sched/auto_group.c
 +++ b/kernel/sched/auto_group.c
 @@ -11,7 +11,7 @@
@@ -70433,6 +70567,38 @@ index 0984a21..939f183 100644
  	ag->tg = tg;
  #ifdef CONFIG_RT_GROUP_SCHED
  	/*
+@@ -143,15 +143,11 @@ autogroup_move_group(struct task_struct *p, struct autogroup *ag)
+ 
+ 	p->signal->autogroup = autogroup_kref_get(ag);
+ 
+-	if (!ACCESS_ONCE(sysctl_sched_autogroup_enabled))
+-		goto out;
+-
+ 	t = p;
+ 	do {
+ 		sched_move_task(t);
+ 	} while_each_thread(p, t);
+ 
+-out:
+ 	unlock_task_sighand(p, &flags);
+ 	autogroup_kref_put(prev);
+ }
+diff --git a/kernel/sched/auto_group.h b/kernel/sched/auto_group.h
+index 8bd0471..443232e 100644
+--- a/kernel/sched/auto_group.h
++++ b/kernel/sched/auto_group.h
+@@ -4,11 +4,6 @@
+ #include <linux/rwsem.h>
+ 
+ struct autogroup {
+-	/*
+-	 * reference doesn't mean how many thread attach to this
+-	 * autogroup now. It just stands for the number of task
+-	 * could use this autogroup.
+-	 */
+ 	struct kref		kref;
+ 	struct task_group	*tg;
+ 	struct rw_semaphore	lock;
 diff --git a/kernel/sched/core.c b/kernel/sched/core.c
 index 1a48cdb..d3949ff 100644
 --- a/kernel/sched/core.c
@@ -71546,7 +71712,7 @@ index d4545f4..a9010a1 100644
  
  	local_irq_save(flags);
 diff --git a/kernel/workqueue.c b/kernel/workqueue.c
-index 872bd6d..31601a2 100644
+index 872bd6d..b727b3a 100644
 --- a/kernel/workqueue.c
 +++ b/kernel/workqueue.c
 @@ -1422,7 +1422,7 @@ retry:
@@ -71567,6 +71733,18 @@ index 872bd6d..31601a2 100644
  
  		if (test_and_set_bit(WORK_STRUCT_PENDING_BIT,
  				     work_data_bits(rebind_work)))
+@@ -2266,8 +2266,10 @@ static int rescuer_thread(void *__wq)
+ repeat:
+ 	set_current_state(TASK_INTERRUPTIBLE);
+ 
+-	if (kthread_should_stop())
++	if (kthread_should_stop()) {
++		__set_current_state(TASK_RUNNING);
+ 		return 0;
++	}
+ 
+ 	/*
+ 	 * See whether any cpu is asking for help.  Unbounded
 diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
 index 2403a63..5c4be4c 100644
 --- a/lib/Kconfig.debug
@@ -72306,7 +72484,7 @@ index 14d260f..b2a80fd 100644
  	if (end == start)
  		goto out;
 diff --git a/mm/memory-failure.c b/mm/memory-failure.c
-index a6e2141..eaf5aad 100644
+index a6e2141..0e32042 100644
 --- a/mm/memory-failure.c
 +++ b/mm/memory-failure.c
 @@ -61,7 +61,7 @@ int sysctl_memory_failure_early_kill __read_mostly = 0;
@@ -72381,7 +72559,25 @@ index a6e2141..eaf5aad 100644
  				&mce_bad_pages);
  	set_page_hwpoison_huge_page(hpage);
  	dequeue_hwpoisoned_huge_page(hpage);
-@@ -1572,7 +1572,7 @@ int soft_offline_page(struct page *page, int flags)
+@@ -1474,9 +1474,17 @@ int soft_offline_page(struct page *page, int flags)
+ {
+ 	int ret;
+ 	unsigned long pfn = page_to_pfn(page);
++	struct page *hpage = compound_trans_head(page);
+ 
+ 	if (PageHuge(page))
+ 		return soft_offline_huge_page(page, flags);
++	if (PageTransHuge(hpage)) {
++		if (PageAnon(hpage) && unlikely(split_huge_page(hpage))) {
++			pr_info("soft offline: %#lx: failed to split THP\n",
++				pfn);
++			return -EBUSY;
++		}
++	}
+ 
+ 	ret = get_any_page(page, pfn, flags);
+ 	if (ret < 0)
+@@ -1572,7 +1580,7 @@ int soft_offline_page(struct page *page, int flags)
  		return ret;
  
  done:
@@ -76024,6 +76220,47 @@ index 1b7e22a..3fcd4f3 100644
  	}
  	return pgd;
  }
+diff --git a/mm/sparse.c b/mm/sparse.c
+index fac95f2..a83de2f 100644
+--- a/mm/sparse.c
++++ b/mm/sparse.c
+@@ -617,7 +617,7 @@ static void __kfree_section_memmap(struct page *memmap, unsigned long nr_pages)
+ {
+ 	return; /* XXX: Not implemented yet */
+ }
+-static void free_map_bootmem(struct page *page, unsigned long nr_pages)
++static void free_map_bootmem(struct page *memmap, unsigned long nr_pages)
+ {
+ }
+ #else
+@@ -658,10 +658,11 @@ static void __kfree_section_memmap(struct page *memmap, unsigned long nr_pages)
+ 			   get_order(sizeof(struct page) * nr_pages));
+ }
+ 
+-static void free_map_bootmem(struct page *page, unsigned long nr_pages)
++static void free_map_bootmem(struct page *memmap, unsigned long nr_pages)
+ {
+ 	unsigned long maps_section_nr, removing_section_nr, i;
+ 	unsigned long magic;
++	struct page *page = virt_to_page(memmap);
+ 
+ 	for (i = 0; i < nr_pages; i++, page++) {
+ 		magic = (unsigned long) page->lru.next;
+@@ -710,13 +711,10 @@ static void free_section_usemap(struct page *memmap, unsigned long *usemap)
+ 	 */
+ 
+ 	if (memmap) {
+-		struct page *memmap_page;
+-		memmap_page = virt_to_page(memmap);
+-
+ 		nr_pages = PAGE_ALIGN(PAGES_PER_SECTION * sizeof(struct page))
+ 			>> PAGE_SHIFT;
+ 
+-		free_map_bootmem(memmap_page, nr_pages);
++		free_map_bootmem(memmap, nr_pages);
+ 	}
+ }
+ 
 diff --git a/mm/swap.c b/mm/swap.c
 index 7782588..228c784 100644
 --- a/mm/swap.c
@@ -76308,6 +76545,72 @@ index 2bb90b1..3795e47 100644
  		v->addr, v->addr + v->size, v->size);
  
  	if (v->caller)
+diff --git a/mm/vmscan.c b/mm/vmscan.c
+index 40db7d1..be5a9c1 100644
+--- a/mm/vmscan.c
++++ b/mm/vmscan.c
+@@ -2383,6 +2383,19 @@ static void age_active_anon(struct zone *zone, struct scan_control *sc)
+ 	} while (memcg);
+ }
+ 
++static bool zone_balanced(struct zone *zone, int order,
++			  unsigned long balance_gap, int classzone_idx)
++{
++	if (!zone_watermark_ok_safe(zone, order, high_wmark_pages(zone) +
++				    balance_gap, classzone_idx, 0))
++		return false;
++
++	if (COMPACTION_BUILD && order && !compaction_suitable(zone, order))
++		return false;
++
++	return true;
++}
++
+ /*
+  * pgdat_balanced is used when checking if a node is balanced for high-order
+  * allocations. Only zones that meet watermarks and are in a zone allowed
+@@ -2461,8 +2474,7 @@ static bool prepare_kswapd_sleep(pg_data_t *pgdat, int order, long remaining,
+ 			continue;
+ 		}
+ 
+-		if (!zone_watermark_ok_safe(zone, order, high_wmark_pages(zone),
+-							i, 0))
++		if (!zone_balanced(zone, order, 0, i))
+ 			all_zones_ok = false;
+ 		else
+ 			balanced += zone->present_pages;
+@@ -2571,8 +2583,7 @@ loop_again:
+ 				break;
+ 			}
+ 
+-			if (!zone_watermark_ok_safe(zone, order,
+-					high_wmark_pages(zone), 0, 0)) {
++			if (!zone_balanced(zone, order, 0, 0)) {
+ 				end_zone = i;
+ 				break;
+ 			} else {
+@@ -2648,9 +2659,8 @@ loop_again:
+ 				testorder = 0;
+ 
+ 			if ((buffer_heads_over_limit && is_highmem_idx(i)) ||
+-				    !zone_watermark_ok_safe(zone, testorder,
+-					high_wmark_pages(zone) + balance_gap,
+-					end_zone, 0)) {
++			    !zone_balanced(zone, testorder,
++					   balance_gap, end_zone)) {
+ 				shrink_zone(zone, &sc);
+ 
+ 				reclaim_state->reclaimed_slab = 0;
+@@ -2677,8 +2687,7 @@ loop_again:
+ 				continue;
+ 			}
+ 
+-			if (!zone_watermark_ok_safe(zone, testorder,
+-					high_wmark_pages(zone), end_zone, 0)) {
++			if (!zone_balanced(zone, testorder, 0, end_zone)) {
+ 				all_zones_ok = 0;
+ 				/*
+ 				 * We are still under min water mark.  This
 diff --git a/mm/vmstat.c b/mm/vmstat.c
 index df7a674..8b4a4f3 100644
 --- a/mm/vmstat.c
@@ -77403,6 +77706,20 @@ index 9633661..4e0bc08 100644
  
  	return nh->nh_saddr;
  }
+diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
+index f2eccd5..17ff9fd 100644
+--- a/net/ipv4/icmp.c
++++ b/net/ipv4/icmp.c
+@@ -257,7 +257,8 @@ static inline bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt,
+ 		struct inet_peer *peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, 1);
+ 		rc = inet_peer_xrlim_allow(peer,
+ 					   net->ipv4.sysctl_icmp_ratelimit);
+-		inet_putpeer(peer);
++		if (peer)
++			inet_putpeer(peer);
+ 	}
+ out:
+ 	return rc;
 diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
 index 7880af9..70f92a3 100644
 --- a/net/ipv4/inet_hashtables.c
@@ -77514,6 +77831,21 @@ index 67e8a6b..386764d 100644
  	set_fs(oldfs);
  	return res;
  }
+diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
+index ebdf06f..f797f59 100644
+--- a/net/ipv4/ipmr.c
++++ b/net/ipv4/ipmr.c
+@@ -1318,6 +1318,10 @@ int ip_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, unsi
+ 		if (get_user(v, (u32 __user *)optval))
+ 			return -EFAULT;
+ 
++		/* "pimreg%u" should not exceed 16 bytes (IFNAMSIZ) */
++		if (v != RT_TABLE_DEFAULT && v >= 1000000000)
++			return -EINVAL;
++
+ 		rtnl_lock();
+ 		ret = 0;
+ 		if (sk == rtnl_dereference(mrt->mroute_sk)) {
 diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
 index 97e61ea..cac1bbb 100644
 --- a/net/ipv4/netfilter/arp_tables.c
@@ -78467,6 +78799,18 @@ index 6b9d5a0..4dffaf1 100644
  	seq_printf(m, "Max data size: %d\n", self->max_data_size);
  	seq_printf(m, "Max header size: %d\n", self->max_header_size);
  
+diff --git a/net/irda/irttp.c b/net/irda/irttp.c
+index 5c93f29..71498f0 100644
+--- a/net/irda/irttp.c
++++ b/net/irda/irttp.c
+@@ -441,6 +441,7 @@ struct tsap_cb *irttp_open_tsap(__u8 stsap_sel, int credit, notify_t *notify)
+ 	lsap = irlmp_open_lsap(stsap_sel, &ttp_notify, 0);
+ 	if (lsap == NULL) {
+ 		IRDA_WARNING("%s: unable to allocate LSAP!!\n", __func__);
++		__irttp_close_tsap(self);
+ 		return NULL;
+ 	}
+ 
 diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
 index cd6f7a9..e63fe89 100644
 --- a/net/iucv/af_iucv.c
@@ -78705,6 +79049,19 @@ index 1c5160f..145ae21 100644
  obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
  obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o
  obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
+diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c
+index d5d3607..1b6fa7b 100644
+--- a/net/netfilter/ipset/ip_set_hash_netiface.c
++++ b/net/netfilter/ipset/ip_set_hash_netiface.c
+@@ -791,7 +791,7 @@ static struct ip_set_type hash_netiface_type __read_mostly = {
+ 		[IPSET_ATTR_IP]		= { .type = NLA_NESTED },
+ 		[IPSET_ATTR_IP_TO]	= { .type = NLA_NESTED },
+ 		[IPSET_ATTR_IFACE]	= { .type = NLA_NUL_STRING,
+-					    .len = IPSET_MAXNAMELEN - 1 },
++					    .len  = IFNAMSIZ - 1 },
+ 		[IPSET_ATTR_CADT_FLAGS]	= { .type = NLA_U32 },
+ 		[IPSET_ATTR_CIDR]	= { .type = NLA_U8 },
+ 		[IPSET_ATTR_TIMEOUT]	= { .type = NLA_U32 },
 diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
 index 1548df9..98ad9b4 100644
 --- a/net/netfilter/ipvs/ip_vs_conn.c
@@ -79609,6 +79966,38 @@ index f226709..0e735a8 100644
  	_proto("Tx RESPONSE %%%u", ntohl(hdr->serial));
  
  	ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len);
+diff --git a/net/sctp/chunk.c b/net/sctp/chunk.c
+index 6c85564..9534bf9 100644
+--- a/net/sctp/chunk.c
++++ b/net/sctp/chunk.c
+@@ -284,7 +284,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
+ 			goto errout;
+ 		err = sctp_user_addto_chunk(chunk, offset, len, msgh->msg_iov);
+ 		if (err < 0)
+-			goto errout;
++			goto errout_chunk_free;
+ 
+ 		offset += len;
+ 
+@@ -324,7 +324,7 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
+ 		__skb_pull(chunk->skb, (__u8 *)chunk->chunk_hdr
+ 			   - (__u8 *)chunk->skb->data);
+ 		if (err < 0)
+-			goto errout;
++			goto errout_chunk_free;
+ 
+ 		sctp_datamsg_assign(msg, chunk);
+ 		list_add_tail(&chunk->frag_list, &msg->chunks);
+@@ -332,6 +332,9 @@ struct sctp_datamsg *sctp_datamsg_from_user(struct sctp_association *asoc,
+ 
+ 	return msg;
+ 
++errout_chunk_free:
++	sctp_chunk_free(chunk);
++
+ errout:
+ 	list_for_each_safe(pos, temp, &msg->chunks) {
+ 		list_del_init(pos);
 diff --git a/net/sctp/proc.c b/net/sctp/proc.c
 index 1e2eee8..ce3967e 100644
 --- a/net/sctp/proc.c
@@ -79636,6 +80025,19 @@ index 5e25981..dbda919 100644
  		if (copy_to_user(to, &temp, addrlen))
  			return -EFAULT;
  		to += addrlen;
+diff --git a/net/sctp/transport.c b/net/sctp/transport.c
+index c97472b..3f7c94b 100644
+--- a/net/sctp/transport.c
++++ b/net/sctp/transport.c
+@@ -328,7 +328,7 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
+ 		 * 1/8, rto_alpha would be expressed as 3.
+ 		 */
+ 		tp->rttvar = tp->rttvar - (tp->rttvar >> sctp_rto_beta)
+-			+ ((abs(tp->srtt - rtt)) >> sctp_rto_beta);
++			+ (((__u32)abs64((__s64)tp->srtt - (__s64)rtt)) >> sctp_rto_beta);
+ 		tp->srtt = tp->srtt - (tp->srtt >> sctp_rto_alpha)
+ 			+ (rtt >> sctp_rto_alpha);
+ 	} else {
 diff --git a/net/socket.c b/net/socket.c
 index edc3c4a..4b4e4a8 100644
 --- a/net/socket.c