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authorNatanael Copa <ncopa@alpinelinux.org>2013-06-03 14:06:14 +0000
committerNatanael Copa <ncopa@alpinelinux.org>2013-06-03 14:23:04 +0000
commit3310ac9accc6cebf3ad021b1f7129f77f1ddb8b9 (patch)
tree5c8740a636b2619dd50f2cbf197868200fc824ff
parent9801c55c4f84f34022aa25ca0b0834d5fb8b9472 (diff)
downloadaports-3310ac9accc6cebf3ad021b1f7129f77f1ddb8b9.tar.bz2
aports-3310ac9accc6cebf3ad021b1f7129f77f1ddb8b9.tar.xz
main/linux-grsec: upgrade to grsecurity-2.9.1-3.9.4-201306011536
ref #2039
-rw-r--r--main/linux-grsec/APKBUILD10
-rw-r--r--main/linux-grsec/grsecurity-2.9.1-3.9.4-201306011536.patch (renamed from main/linux-grsec/grsecurity-2.9.1-3.9.4-201305251009.patch)816
2 files changed, 771 insertions, 55 deletions
diff --git a/main/linux-grsec/APKBUILD b/main/linux-grsec/APKBUILD
index 7bda3c711a..fc6b18a8da 100644
--- a/main/linux-grsec/APKBUILD
+++ b/main/linux-grsec/APKBUILD
@@ -7,7 +7,7 @@ case $pkgver in
*.*.*) _kernver=${pkgver%.*};;
*.*) _kernver=${pkgver};;
esac
-pkgrel=0
+pkgrel=1
pkgdesc="Linux kernel with grsecurity"
url=http://grsecurity.net
depends="mkinitfs linux-firmware"
@@ -17,7 +17,7 @@ _config=${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-2.9.1-3.9.4-201305251009.patch
+ grsecurity-2.9.1-3.9.4-201306011536.patch
leds-leds-gpio-reserve-gpio-before-using-it.patch
ipsec-xfrm-properly-handle-invalid-states-as-an-error.patch
@@ -153,7 +153,7 @@ dev() {
md5sums="4348c9b6b2eb3144d601e87c19d5d909 linux-3.9.tar.xz
922c4553299e6692a28761d3032fc012 patch-3.9.4.xz
-3cdc3cb458f27c7cb3260a0a72f55658 grsecurity-2.9.1-3.9.4-201305251009.patch
+08c33c99cb779ebd296d2b274c2deeda grsecurity-2.9.1-3.9.4-201306011536.patch
83db7136608d8101ae130728539dc376 leds-leds-gpio-reserve-gpio-before-using-it.patch
ac9a50bdbe91ba6e5205e83f7e734ff5 ipsec-xfrm-properly-handle-invalid-states-as-an-error.patch
a16f11b12381efb3bec79b9bfb329836 0001-net-inform-NETDEV_CHANGE-callbacks-which-flags-were-.patch
@@ -166,7 +166,7 @@ fd6fd35309c0e8c1f05cb725df958f22 kernelconfig.x86
fd61ff58d25155997c0d6f73e7ca7a7d kernelconfig.x86_64"
sha256sums="60bc3e64ee5dc778de2cd7cd7640abf518a4c9d4f31b8ed624e16fad53f54541 linux-3.9.tar.xz
694ea0d527556c5a214597596f37cdb598d2a0652d6f5e86b8c0de718990ccec patch-3.9.4.xz
-e69455746a99a9a146a9472dd50eff1868db7663721ab7bb746a73f7f0ac0cf4 grsecurity-2.9.1-3.9.4-201305251009.patch
+3bf95754ba94f3dfa7a91d92726e83c9092feab9e990f70d31bc52974bff27b0 grsecurity-2.9.1-3.9.4-201306011536.patch
13676bc5610a8d03e788ac76734babd1338b023bb39559452ee54652b046e6f4 leds-leds-gpio-reserve-gpio-before-using-it.patch
ab0dcb52342990ad05af5ce21acd1e95fb65cc7e76ec98e45c7ece7433bc9f23 ipsec-xfrm-properly-handle-invalid-states-as-an-error.patch
6af3757ac36a6cd3cda7b0a71b08143726383b19261294a569ad7f4042c72df3 0001-net-inform-NETDEV_CHANGE-callbacks-which-flags-were-.patch
@@ -179,7 +179,7 @@ b44c6671b344ddae1da94e6c051a0e708af8609c1f2ff40d962301ed5023c83a kernelconfig.x
7a6700a6db89f8c2c7f8cce7d77f4ddb3fcad889d72c709c2833af795ef1bc79 kernelconfig.x86_64"
sha512sums="77fa521f42380409f8ab400c26f7b00e225cb075ef40834bb263325cfdcc3e65aef8511ec2fc2b50bbf4f50e226fb5ab07d7a479aaf09162adbbf318325d0790 linux-3.9.tar.xz
2a2eb511a610e8e3ddbc38b8bce0b96e60875009b7981542c98f0de3a601632a205fa9f90c6912094196dbda6536083b3990b28204c243a406f5595c40df0965 patch-3.9.4.xz
-729fa4e7914e1042c495711060d3f3337757237089942211ad52c87faa0f4d5cd042c79792c5772cb50fe94825941cdbb66e5b5d5d71ea4df6432382901e2bf7 grsecurity-2.9.1-3.9.4-201305251009.patch
+eb326ded756cbe086c7999c5a982b6b695ae8ee3c25523a22acd480d97de0603d86eeef5252fe957ed5ccd4e7736db271a253264108e757b23a9bd3e82b32529 grsecurity-2.9.1-3.9.4-201306011536.patch
10d2cf4fb308d1bc8cb5b9df3f9a6d7b9cef453244673bcbe66bd9b64af410a498e203d4dfa51f53461362ad981736eadc46537616b2c0514f57f4d8864c830d leds-leds-gpio-reserve-gpio-before-using-it.patch
769291e92f2f5ae5375d98b80bf8790b089c87437f1660cf8d5e9d45d7221280b6824bcb1d2564cbe12310a88df48443c56ecc9ce5468858829088221aa80327 ipsec-xfrm-properly-handle-invalid-states-as-an-error.patch
81e78593288e8b0fd2c03ea9fc1450323887707f087e911f172450a122bc9b591ee83394836789730d951aeec13d0b75a64e1c05f04364abf8f80d883ddc4a02 0001-net-inform-NETDEV_CHANGE-callbacks-which-flags-were-.patch
diff --git a/main/linux-grsec/grsecurity-2.9.1-3.9.4-201305251009.patch b/main/linux-grsec/grsecurity-2.9.1-3.9.4-201306011536.patch
index 6715b495c1..9a1a55c812 100644
--- a/main/linux-grsec/grsecurity-2.9.1-3.9.4-201305251009.patch
+++ b/main/linux-grsec/grsecurity-2.9.1-3.9.4-201306011536.patch
@@ -17725,6 +17725,19 @@ index 74467fe..18793d5 100644
crash_fixup_ss_esp(&fixed_regs, regs);
regs = &fixed_regs;
}
+diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c
+index afa64ad..dce67dd 100644
+--- a/arch/x86/kernel/crash_dump_64.c
++++ b/arch/x86/kernel/crash_dump_64.c
+@@ -36,7 +36,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
+ return -ENOMEM;
+
+ if (userbuf) {
+- if (copy_to_user(buf, vaddr + offset, csize)) {
++ if (copy_to_user((char __force_user *)buf, vaddr + offset, csize)) {
+ iounmap(vaddr);
+ return -EFAULT;
+ }
diff --git a/arch/x86/kernel/doublefault_32.c b/arch/x86/kernel/doublefault_32.c
index 37250fe..bf2ec74 100644
--- a/arch/x86/kernel/doublefault_32.c
@@ -29551,7 +29564,7 @@ index 877b9a1..a8ecf42 100644
+ pax_force_retaddr
ret
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
-index 3cbe4538..fd756dc 100644
+index 3cbe4538..003d011 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -12,6 +12,7 @@
@@ -29562,7 +29575,7 @@ index 3cbe4538..fd756dc 100644
/*
* Conventions :
-@@ -49,13 +50,87 @@ static inline u8 *emit_code(u8 *ptr, u32 bytes, unsigned int len)
+@@ -49,13 +50,90 @@ static inline u8 *emit_code(u8 *ptr, u32 bytes, unsigned int len)
return ptr + len;
}
@@ -29599,6 +29612,7 @@ index 3cbe4538..fd756dc 100644
+ case 0x25: /* and eax, imm32 */ \
+ case 0x0d: /* or eax, imm32 */ \
+ case 0xb8: /* mov eax, imm32 */ \
++ case 0x35: /* xor eax, imm32 */ \
+ case 0x3d: /* cmp eax, imm32 */ \
+ case 0xa9: /* test eax, imm32 */ \
+ DILUTE_CONST_SEQUENCE(_off, randkey); \
@@ -29614,6 +29628,10 @@ index 3cbe4538..fd756dc 100644
+ /* mov esi, ecx */ \
+ EMIT2(0x89, 0xce); \
+ break; \
++ case 0xe8: /* call rel imm32, always to known funcs */ \
++ EMIT1(b1); \
++ EMIT(_off, 4); \
++ break; \
+ case 0xe9: /* jmp rel imm32 */ \
+ EMIT1(b1); \
+ EMIT(_off, 4); \
@@ -29622,8 +29640,7 @@ index 3cbe4538..fd756dc 100644
+ EMIT(0xcccccccc, 4); \
+ break; \
+ default: \
-+ EMIT1(b1); \
-+ EMIT(_off, 4); \
++ BUILD_BUG(); \
+ } \
+} while (0)
+
@@ -29639,8 +29656,7 @@ index 3cbe4538..fd756dc 100644
+ /* imul eax, ecx */ \
+ EMIT3(0x0f, 0xaf, 0xc1); \
+ } else { \
-+ EMIT2(b1, b2); \
-+ EMIT(_off, 4); \
++ BUILD_BUG(); \
+ } \
+} while (0)
+#else
@@ -29650,7 +29666,7 @@ index 3cbe4538..fd756dc 100644
#define CLEAR_A() EMIT2(0x31, 0xc0) /* xor %eax,%eax */
#define CLEAR_X() EMIT2(0x31, 0xdb) /* xor %ebx,%ebx */
-@@ -90,6 +165,24 @@ do { \
+@@ -90,6 +168,24 @@ do { \
#define X86_JBE 0x76
#define X86_JA 0x77
@@ -29675,7 +29691,7 @@ index 3cbe4538..fd756dc 100644
#define EMIT_COND_JMP(op, offset) \
do { \
if (is_near(offset)) \
-@@ -97,6 +190,7 @@ do { \
+@@ -97,6 +193,7 @@ do { \
else { \
EMIT2(0x0f, op + 0x10); \
EMIT(offset, 4); /* jxx .+off32 */ \
@@ -29683,7 +29699,7 @@ index 3cbe4538..fd756dc 100644
} \
} while (0)
-@@ -121,6 +215,11 @@ static inline void bpf_flush_icache(void *start, void *end)
+@@ -121,6 +218,11 @@ static inline void bpf_flush_icache(void *start, void *end)
set_fs(old_fs);
}
@@ -29695,7 +29711,7 @@ index 3cbe4538..fd756dc 100644
#define CHOOSE_LOAD_FUNC(K, func) \
((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative_offset : func) : func##_positive_offset)
-@@ -146,7 +245,7 @@ static int pkt_type_offset(void)
+@@ -146,7 +248,7 @@ static int pkt_type_offset(void)
void bpf_jit_compile(struct sk_filter *fp)
{
@@ -29704,7 +29720,7 @@ index 3cbe4538..fd756dc 100644
u8 *prog;
unsigned int proglen, oldproglen = 0;
int ilen, i;
-@@ -159,6 +258,9 @@ void bpf_jit_compile(struct sk_filter *fp)
+@@ -159,6 +261,9 @@ void bpf_jit_compile(struct sk_filter *fp)
unsigned int *addrs;
const struct sock_filter *filter = fp->insns;
int flen = fp->len;
@@ -29714,7 +29730,7 @@ index 3cbe4538..fd756dc 100644
if (!bpf_jit_enable)
return;
-@@ -167,11 +269,19 @@ void bpf_jit_compile(struct sk_filter *fp)
+@@ -167,11 +272,19 @@ void bpf_jit_compile(struct sk_filter *fp)
if (addrs == NULL)
return;
@@ -29736,7 +29752,7 @@ index 3cbe4538..fd756dc 100644
addrs[i] = proglen;
}
cleanup_addr = proglen; /* epilogue address */
-@@ -282,10 +392,8 @@ void bpf_jit_compile(struct sk_filter *fp)
+@@ -282,10 +395,8 @@ void bpf_jit_compile(struct sk_filter *fp)
case BPF_S_ALU_MUL_K: /* A *= K */
if (is_imm8(K))
EMIT3(0x6b, 0xc0, K); /* imul imm8,%eax,%eax */
@@ -29749,7 +29765,7 @@ index 3cbe4538..fd756dc 100644
break;
case BPF_S_ALU_DIV_X: /* A /= X; */
seen |= SEEN_XREG;
-@@ -325,13 +433,23 @@ void bpf_jit_compile(struct sk_filter *fp)
+@@ -325,13 +436,23 @@ void bpf_jit_compile(struct sk_filter *fp)
break;
case BPF_S_ALU_MOD_K: /* A %= K; */
EMIT2(0x31, 0xd2); /* xor %edx,%edx */
@@ -29773,7 +29789,7 @@ index 3cbe4538..fd756dc 100644
EMIT4(0x48, 0xc1, 0xe8, 0x20); /* shr $0x20,%rax */
break;
case BPF_S_ALU_AND_X:
-@@ -602,8 +720,7 @@ common_load_ind: seen |= SEEN_DATAREF | SEEN_XREG;
+@@ -602,8 +723,7 @@ common_load_ind: seen |= SEEN_DATAREF | SEEN_XREG;
if (is_imm8(K)) {
EMIT3(0x8d, 0x73, K); /* lea imm8(%rbx), %esi */
} else {
@@ -29783,7 +29799,7 @@ index 3cbe4538..fd756dc 100644
}
} else {
EMIT2(0x89,0xde); /* mov %ebx,%esi */
-@@ -686,17 +803,18 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
+@@ -686,17 +806,18 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
break;
default:
/* hmm, too complex filter, give up with jit compiler */
@@ -29806,7 +29822,7 @@ index 3cbe4538..fd756dc 100644
}
proglen += ilen;
addrs[i] = proglen;
-@@ -717,11 +835,9 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
+@@ -717,11 +838,9 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
break;
}
if (proglen == oldproglen) {
@@ -29820,7 +29836,7 @@ index 3cbe4538..fd756dc 100644
}
oldproglen = proglen;
}
-@@ -737,7 +853,10 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
+@@ -737,7 +856,10 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i];
bpf_flush_icache(image, image + proglen);
fp->bpf_func = (void *)image;
@@ -29832,7 +29848,7 @@ index 3cbe4538..fd756dc 100644
out:
kfree(addrs);
return;
-@@ -745,18 +864,20 @@ out:
+@@ -745,18 +867,20 @@ out:
static void jit_free_defer(struct work_struct *arg)
{
@@ -32940,7 +32956,7 @@ index 519865b..e540db3 100644
subsys_dev_iter_init(&iter, subsys, NULL, NULL);
while ((dev = subsys_dev_iter_next(&iter)))
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
-index 01fc5b0..d0ed716 100644
+index 01fc5b0..917801f 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -348,7 +348,7 @@ int devtmpfs_mount(const char *mntdir)
@@ -32952,6 +32968,21 @@ index 01fc5b0..d0ed716 100644
if (err)
printk(KERN_INFO "devtmpfs: error mounting %i\n", err);
else
+@@ -373,11 +373,11 @@ static int devtmpfsd(void *p)
+ *err = sys_unshare(CLONE_NEWNS);
+ if (*err)
+ goto out;
+- *err = sys_mount("devtmpfs", "/", "devtmpfs", MS_SILENT, options);
++ *err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)"/", (char __force_user *)"devtmpfs", MS_SILENT, (char __force_user *)options);
+ if (*err)
+ goto out;
+- sys_chdir("/.."); /* will traverse into overmounted root */
+- sys_chroot(".");
++ sys_chdir((char __force_user *)"/.."); /* will traverse into overmounted root */
++ sys_chroot((char __force_user *)".");
+ complete(&setup_done);
+ while (1) {
+ spin_lock(&req_lock);
diff --git a/drivers/base/node.c b/drivers/base/node.c
index fac124a..66bd4ab 100644
--- a/drivers/base/node.c
@@ -33578,8 +33609,21 @@ index 3bb6fa3..34013fb 100644
default y
source "drivers/s390/char/Kconfig"
+diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c
+index a48e05b..6bac831 100644
+--- a/drivers/char/agp/compat_ioctl.c
++++ b/drivers/char/agp/compat_ioctl.c
+@@ -108,7 +108,7 @@ static int compat_agpioc_reserve_wrap(struct agp_file_private *priv, void __user
+ return -ENOMEM;
+ }
+
+- if (copy_from_user(usegment, (void __user *) ureserve.seg_list,
++ if (copy_from_user(usegment, (void __force_user *) ureserve.seg_list,
+ sizeof(*usegment) * ureserve.seg_count)) {
+ kfree(usegment);
+ kfree(ksegment);
diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c
-index 2e04433..22afc64 100644
+index 2e04433..771f2cc 100644
--- a/drivers/char/agp/frontend.c
+++ b/drivers/char/agp/frontend.c
@@ -817,7 +817,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg)
@@ -33591,6 +33635,15 @@ index 2e04433..22afc64 100644
return -EFAULT;
client = agp_find_client_by_pid(reserve.pid);
+@@ -847,7 +847,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg)
+ if (segment == NULL)
+ return -ENOMEM;
+
+- if (copy_from_user(segment, (void __user *) reserve.seg_list,
++ if (copy_from_user(segment, (void __force_user *) reserve.seg_list,
+ sizeof(struct agp_segment) * reserve.seg_count)) {
+ kfree(segment);
+ return -EFAULT;
diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c
index 21cb980..f15107c 100644
--- a/drivers/char/genrtc.c
@@ -33685,7 +33738,7 @@ index 0ac9b45..6179fb5 100644
new_smi->interrupt_disabled = 1;
atomic_set(&new_smi->stop_operation, 0);
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
-index 2c644af..b867b3e 100644
+index 2c644af..d4d7f17 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -18,6 +18,7 @@
@@ -33766,6 +33819,15 @@ index 2c644af..b867b3e 100644
unxlate_dev_mem_ptr(p, ptr);
if (remaining)
return -EFAULT;
+@@ -378,7 +409,7 @@ static ssize_t read_oldmem(struct file *file, char __user *buf,
+ else
+ csize = count;
+
+- rc = copy_oldmem_page(pfn, buf, csize, offset, 1);
++ rc = copy_oldmem_page(pfn, (char __force_kernel *)buf, csize, offset, 1);
+ if (rc < 0)
+ return rc;
+ buf += csize;
@@ -398,9 +429,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
@@ -33909,7 +33971,7 @@ index 5c5cc00..ac9edb7 100644
if (cmd != SIOCWANDEV)
diff --git a/drivers/char/random.c b/drivers/char/random.c
-index 32a6c57..e7f0f7b 100644
+index 32a6c57..98038d5 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -272,8 +272,13 @@
@@ -33955,7 +34017,85 @@ index 32a6c57..e7f0f7b 100644
smp_wmb();
if (out)
-@@ -1024,7 +1036,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf,
+@@ -865,16 +877,24 @@ static size_t account(struct entropy_store *r, size_t nbytes, int min,
+ if (r->entropy_count / 8 < min + reserved) {
+ nbytes = 0;
+ } else {
++ int entropy_count, orig;
++retry:
++ entropy_count = orig = ACCESS_ONCE(r->entropy_count);
+ /* If limited, never pull more than available */
+- if (r->limit && nbytes + reserved >= r->entropy_count / 8)
+- nbytes = r->entropy_count/8 - reserved;
++ if (r->limit && nbytes + reserved >= entropy_count / 8)
++ nbytes = entropy_count/8 - reserved;
+
+- if (r->entropy_count / 8 >= nbytes + reserved)
+- r->entropy_count -= nbytes*8;
+- else
+- r->entropy_count = reserved;
++ if (entropy_count / 8 >= nbytes + reserved) {
++ entropy_count -= nbytes*8;
++ if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
++ goto retry;
++ } else {
++ entropy_count = reserved;
++ if (cmpxchg(&r->entropy_count, orig, entropy_count) != orig)
++ goto retry;
++ }
+
+- if (r->entropy_count < random_write_wakeup_thresh)
++ if (entropy_count < random_write_wakeup_thresh)
+ wakeup_write = 1;
+ }
+
+@@ -957,10 +977,23 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
+ {
+ ssize_t ret = 0, i;
+ __u8 tmp[EXTRACT_SIZE];
++ unsigned long flags;
+
+ /* if last_data isn't primed, we need EXTRACT_SIZE extra bytes */
+- if (fips_enabled && !r->last_data_init)
+- nbytes += EXTRACT_SIZE;
++ if (fips_enabled) {
++ spin_lock_irqsave(&r->lock, flags);
++ if (!r->last_data_init) {
++ r->last_data_init = true;
++ spin_unlock_irqrestore(&r->lock, flags);
++ trace_extract_entropy(r->name, EXTRACT_SIZE,
++ r->entropy_count, _RET_IP_);
++ xfer_secondary_pool(r, EXTRACT_SIZE);
++ extract_buf(r, tmp);
++ spin_lock_irqsave(&r->lock, flags);
++ memcpy(r->last_data, tmp, EXTRACT_SIZE);
++ }
++ spin_unlock_irqrestore(&r->lock, flags);
++ }
+
+ trace_extract_entropy(r->name, nbytes, r->entropy_count, _RET_IP_);
+ xfer_secondary_pool(r, nbytes);
+@@ -970,19 +1003,6 @@ static ssize_t extract_entropy(struct entropy_store *r, void *buf,
+ extract_buf(r, tmp);
+
+ if (fips_enabled) {
+- unsigned long flags;
+-
+-
+- /* prime last_data value if need be, per fips 140-2 */
+- if (!r->last_data_init) {
+- spin_lock_irqsave(&r->lock, flags);
+- memcpy(r->last_data, tmp, EXTRACT_SIZE);
+- r->last_data_init = true;
+- nbytes -= EXTRACT_SIZE;
+- spin_unlock_irqrestore(&r->lock, flags);
+- extract_buf(r, tmp);
+- }
+-
+ spin_lock_irqsave(&r->lock, flags);
+ if (!memcmp(tmp, r->last_data, EXTRACT_SIZE))
+ panic("Hardware RNG duplicated output!\n");
+@@ -1024,7 +1044,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf,
extract_buf(r, tmp);
i = min_t(int, nbytes, EXTRACT_SIZE);
@@ -33964,7 +34104,7 @@ index 32a6c57..e7f0f7b 100644
ret = -EFAULT;
break;
}
-@@ -1360,7 +1372,7 @@ EXPORT_SYMBOL(generate_random_uuid);
+@@ -1360,7 +1380,7 @@ EXPORT_SYMBOL(generate_random_uuid);
#include <linux/sysctl.h>
static int min_read_thresh = 8, min_write_thresh;
@@ -33973,7 +34113,7 @@ index 32a6c57..e7f0f7b 100644
static int max_write_thresh = INPUT_POOL_WORDS * 32;
static char sysctl_bootid[16];
-@@ -1376,7 +1388,7 @@ static char sysctl_bootid[16];
+@@ -1376,7 +1396,7 @@ static char sysctl_bootid[16];
static int proc_do_uuid(ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
@@ -35984,6 +36124,28 @@ index 3eb1486..0a47ee9 100644
} while (*seqno == 0);
if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) {
+diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+index c509d40..3b640c3 100644
+--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
++++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c
+@@ -138,7 +138,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data,
+ int ret;
+
+ num_clips = arg->num_clips;
+- clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
++ clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr;
+
+ if (unlikely(num_clips == 0))
+ return 0;
+@@ -222,7 +222,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data,
+ int ret;
+
+ num_clips = arg->num_clips;
+- clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr;
++ clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr;
+
+ if (unlikely(num_clips == 0))
+ return 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
index 4640adb..e1384ed 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c
@@ -36341,6 +36503,19 @@ index 29015eb..af2d8e9 100644
/* Wrapper access functions for multiplexed SMBus */
static DEFINE_MUTEX(nforce2_lock);
+diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c
+index c3ccdea..5b3dc1a 100644
+--- a/drivers/i2c/i2c-dev.c
++++ b/drivers/i2c/i2c-dev.c
+@@ -271,7 +271,7 @@ static noinline int i2cdev_ioctl_rdrw(struct i2c_client *client,
+ break;
+ }
+
+- data_ptrs[i] = (u8 __user *)rdwr_pa[i].buf;
++ data_ptrs[i] = (u8 __force_user *)rdwr_pa[i].buf;
+ rdwr_pa[i].buf = memdup_user(data_ptrs[i], rdwr_pa[i].len);
+ if (IS_ERR(rdwr_pa[i].buf)) {
+ res = PTR_ERR(rdwr_pa[i].buf);
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 8126824..55a2798 100644
--- a/drivers/ide/ide-cd.c
@@ -38425,11 +38600,72 @@ index 9578a67..31aa652 100644
/* debug */
static int dvb_usb_dw2102_debug;
+diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+index 7157af3..139e91a 100644
+--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
++++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+@@ -326,7 +326,7 @@ struct v4l2_buffer32 {
+ __u32 reserved;
+ };
+
+-static int get_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32,
++static int get_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
+ enum v4l2_memory memory)
+ {
+ void __user *up_pln;
+@@ -355,7 +355,7 @@ static int get_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32,
+ return 0;
+ }
+
+-static int put_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32,
++static int put_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32,
+ enum v4l2_memory memory)
+ {
+ if (copy_in_user(up32, up, 2 * sizeof(__u32)) ||
+@@ -772,7 +772,7 @@ static int put_v4l2_subdev_edid32(struct v4l2_subdev_edid *kp, struct v4l2_subde
+ put_user(kp->start_block, &up->start_block) ||
+ put_user(kp->blocks, &up->blocks) ||
+ put_user(tmp, &up->edid) ||
+- copy_to_user(kp->reserved, up->reserved, sizeof(kp->reserved)))
++ copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
+ return -EFAULT;
+ return 0;
+ }
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
-index aa6e7c7..4cd8061 100644
+index aa6e7c7..cb5de87 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
-@@ -1923,7 +1923,8 @@ struct v4l2_ioctl_info {
+@@ -236,7 +236,7 @@ static void v4l_print_format(const void *arg, bool write_only)
+ const struct v4l2_vbi_format *vbi;
+ const struct v4l2_sliced_vbi_format *sliced;
+ const struct v4l2_window *win;
+- const struct v4l2_clip *clip;
++ const struct v4l2_clip __user *pclip;
+ unsigned i;
+
+ pr_cont("type=%s", prt_names(p->type, v4l2_type_names));
+@@ -284,12 +284,16 @@ static void v4l_print_format(const void *arg, bool write_only)
+ win->w.left, win->w.top,
+ prt_names(win->field, v4l2_field_names),
+ win->chromakey, win->bitmap, win->global_alpha);
+- clip = win->clips;
++ pclip = win->clips;
+ for (i = 0; i < win->clipcount; i++) {
++ struct v4l2_clip clip;
++
++ if (copy_from_user(&clip, pclip, sizeof clip))
++ break;
+ printk(KERN_DEBUG "clip %u: wxh=%dx%d, x,y=%d,%d\n",
+- i, clip->c.width, clip->c.height,
+- clip->c.left, clip->c.top);
+- clip = clip->next;
++ i, clip.c.width, clip.c.height,
++ clip.c.left, clip.c.top);
++ pclip = clip.next;
+ }
+ break;
+ case V4L2_BUF_TYPE_VBI_CAPTURE:
+@@ -1923,7 +1927,8 @@ struct v4l2_ioctl_info {
struct file *file, void *fh, void *p);
} u;
void (*debug)(const void *arg, bool write_only);
@@ -38439,7 +38675,7 @@ index aa6e7c7..4cd8061 100644
/* This control needs a priority check */
#define INFO_FL_PRIO (1 << 0)
-@@ -2108,7 +2109,7 @@ static long __video_do_ioctl(struct file *file,
+@@ -2108,7 +2113,7 @@ static long __video_do_ioctl(struct file *file,
struct video_device *vfd = video_devdata(file);
const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops;
bool write_only = false;
@@ -38448,6 +38684,33 @@ index aa6e7c7..4cd8061 100644
const struct v4l2_ioctl_info *info;
void *fh = file->private_data;
struct v4l2_fh *vfh = NULL;
+@@ -2193,7 +2198,7 @@ done:
+ }
+
+ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
+- void * __user *user_ptr, void ***kernel_ptr)
++ void __user **user_ptr, void ***kernel_ptr)
+ {
+ int ret = 0;
+
+@@ -2209,7 +2214,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
+ ret = -EINVAL;
+ break;
+ }
+- *user_ptr = (void __user *)buf->m.planes;
++ *user_ptr = (void __force_user *)buf->m.planes;
+ *kernel_ptr = (void *)&buf->m.planes;
+ *array_size = sizeof(struct v4l2_plane) * buf->length;
+ ret = 1;
+@@ -2244,7 +2249,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size,
+ ret = -EINVAL;
+ break;
+ }
+- *user_ptr = (void __user *)ctrls->controls;
++ *user_ptr = (void __force_user *)ctrls->controls;
+ *kernel_ptr = (void *)&ctrls->controls;
+ *array_size = sizeof(struct v4l2_ext_control)
+ * ctrls->count;
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index fb69baa..3aeea2e 100644
--- a/drivers/message/fusion/mptbase.c
@@ -42488,6 +42751,48 @@ index adbe5a8..d387359 100644
extern void tmem_register_hostops(struct tmem_hostops *m);
/* core tmem accessor functions */
+diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c
+index ca2be40..93ae910 100644
+--- a/drivers/target/iscsi/iscsi_target_parameters.c
++++ b/drivers/target/iscsi/iscsi_target_parameters.c
+@@ -712,9 +712,9 @@ static int iscsi_add_notunderstood_response(
+ }
+ INIT_LIST_HEAD(&extra_response->er_list);
+
+- strncpy(extra_response->key, key, strlen(key) + 1);
+- strncpy(extra_response->value, NOTUNDERSTOOD,
+- strlen(NOTUNDERSTOOD) + 1);
++ strlcpy(extra_response->key, key, sizeof(extra_response->key));
++ strlcpy(extra_response->value, NOTUNDERSTOOD,
++ sizeof(extra_response->value));
+
+ list_add_tail(&extra_response->er_list,
+ &param_list->extra_response_list);
+@@ -1583,8 +1583,6 @@ int iscsi_decode_text_input(
+
+ if (phase & PHASE_SECURITY) {
+ if (iscsi_check_for_auth_key(key) > 0) {
+- char *tmpptr = key + strlen(key);
+- *tmpptr = '=';
+ kfree(tmpbuf);
+ return 1;
+ }
+diff --git a/drivers/target/iscsi/iscsi_target_parameters.h b/drivers/target/iscsi/iscsi_target_parameters.h
+index 1e1b750..2c536a0 100644
+--- a/drivers/target/iscsi/iscsi_target_parameters.h
++++ b/drivers/target/iscsi/iscsi_target_parameters.h
+@@ -1,8 +1,10 @@
+ #ifndef ISCSI_PARAMETERS_H
+ #define ISCSI_PARAMETERS_H
+
++#include <scsi/iscsi_proto.h>
++
+ struct iscsi_extra_response {
+- char key[64];
++ char key[KEY_MAXLEN];
+ char value[32];
+ struct list_head er_list;
+ } ____cacheline_aligned;
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 2e4d655..fd72e68 100644
--- a/drivers/target/target_core_device.c
@@ -43773,7 +44078,7 @@ index c8b9262..7e824e6 100644
ret = uio_get_minor(idev);
if (ret)
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
-index b7eb86a..36d28af 100644
+index b7eb86a..c00402f 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -473,7 +473,7 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev,
@@ -43785,6 +44090,16 @@ index b7eb86a..36d28af 100644
return -EINVAL;
pos += tmp;
+@@ -686,7 +686,8 @@ static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_requ
+ {
+ int ret, len;
+ __le32 *buf;
+- int offb, offd;
++ int offb;
++ unsigned int offd;
+ const int stride = CMD_PACKET_SIZE / (4 * 2) - 1;
+ int buflen = ((size - 1) / stride + 1 + size * 2) * 4;
+
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index 35f10bf..6a38a0b 100644
--- a/drivers/usb/atm/usbatm.c
@@ -47532,6 +47847,19 @@ index fef20db..d28b1ab 100644
if (!file->private_data)
return -ENOMEM;
return 0;
+diff --git a/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c
+index 0ad61c6..f198bd7 100644
+--- a/fs/9p/vfs_addr.c
++++ b/fs/9p/vfs_addr.c
+@@ -185,7 +185,7 @@ static int v9fs_vfs_writepage_locked(struct page *page)
+
+ retval = v9fs_file_write_internal(inode,
+ v9inode->writeback_fid,
+- (__force const char __user *)buffer,
++ (const char __force_user *)buffer,
+ len, &offset, 0);
+ if (retval > 0)
+ retval = 0;
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index d86edc8..40ff2fb 100644
--- a/fs/9p/vfs_inode.c
@@ -47769,7 +48097,7 @@ index bbc8f88..7c7ac97 100644
fd_offset + ex.a_text);
if (error != N_DATADDR(ex)) {
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
-index 86af964..8a1da7e 100644
+index 86af964..5d53bf6 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -34,6 +34,7 @@
@@ -48004,7 +48332,7 @@ index 86af964..8a1da7e 100644
+#endif
+
+#ifdef CONFIG_PAX_EMUTRAMP
-+ if (pax_flags_softmode & MF_PAX_EMUTRAMP)
++ if ((pax_flags_softmode & MF_PAX_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)))
+ pax_flags |= MF_PAX_EMUTRAMP;
+#endif
+
@@ -48465,6 +48793,15 @@ index 86af964..8a1da7e 100644
fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv);
}
+@@ -1394,7 +1841,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
+ {
+ mm_segment_t old_fs = get_fs();
+ set_fs(KERNEL_DS);
+- copy_siginfo_to_user((user_siginfo_t __user *) csigdata, siginfo);
++ copy_siginfo_to_user((user_siginfo_t __force_user *) csigdata, siginfo);
+ set_fs(old_fs);
+ fill_note(note, "CORE", NT_SIGINFO, sizeof(*csigdata), csigdata);
+ }
@@ -2015,14 +2462,14 @@ static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
}
@@ -49580,7 +49917,7 @@ index a81147e..20bf2b5 100644
/*
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
-index 3ced75f..1eeca06 100644
+index 3ced75f..b28d192 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -623,7 +623,7 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd,
@@ -49592,6 +49929,17 @@ index 3ced75f..1eeca06 100644
if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) ||
__get_user(ss.port_high, &ss32->port_high))
return -EFAULT;
+@@ -704,8 +704,8 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd,
+ for (i = 0; i < nmsgs; i++) {
+ if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16)))
+ return -EFAULT;
+- if (get_user(datap, &umsgs[i].buf) ||
+- put_user(compat_ptr(datap), &tmsgs[i].buf))
++ if (get_user(datap, (u8 __user * __user *)&umsgs[i].buf) ||
++ put_user(compat_ptr(datap), (u8 __user * __user *)&tmsgs[i].buf))
+ return -EFAULT;
+ }
+ return sys_ioctl(fd, cmd, (unsigned long)tdata);
@@ -798,7 +798,7 @@ static int compat_ioctl_preallocate(struct file *file,
copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) ||
copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) ||
@@ -49839,7 +50187,7 @@ index 6a16053..2155147 100644
return rc;
}
diff --git a/fs/exec.c b/fs/exec.c
-index 6d56ff2..fe44505 100644
+index 6d56ff2..3bc6638 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -55,8 +55,20 @@
@@ -50016,7 +50364,7 @@ index 6d56ff2..fe44505 100644
mm_segment_t oldfs = get_fs();
struct user_arg_ptr argv = {
- .ptr.native = (const char __user *const __user *)__argv,
-+ .ptr.native = (const char __force_user *const __force_user *)__argv,
++ .ptr.native = (const char __force_user * const __force_user *)__argv,
};
set_fs(KERNEL_DS);
@@ -50540,8 +50888,8 @@ index 6d56ff2..fe44505 100644
+#endif
+
+#else
-+ unsigned long textlow = _stext;
-+ unsigned long texthigh = _etext;
++ unsigned long textlow = (unsigned long)_stext;
++ unsigned long texthigh = (unsigned long)_etext;
+#endif
+
+ if (high <= textlow || low > texthigh)
@@ -50813,6 +51161,39 @@ index febbe0e..782c4fd 100644
static int parse_strtoul(const char *buf,
unsigned long max, unsigned long *value)
+diff --git a/fs/fat/inode.c b/fs/fat/inode.c
+index acf6e47..e7a7fde 100644
+--- a/fs/fat/inode.c
++++ b/fs/fat/inode.c
+@@ -1223,6 +1223,19 @@ static int fat_read_root(struct inode *inode)
+ return 0;
+ }
+
++static unsigned long calc_fat_clusters(struct super_block *sb)
++{
++ struct msdos_sb_info *sbi = MSDOS_SB(sb);
++
++ /* Divide first to avoid overflow */
++ if (sbi->fat_bits != 12) {
++ unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
++ return ent_per_sec * sbi->fat_length;
++ }
++
++ return sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
++}
++
+ /*
+ * Read the super block of an MS-DOS FS.
+ */
+@@ -1427,7 +1440,7 @@ int fat_fill_super(struct super_block *sb, void *data, int silent, int isvfat,
+ sbi->dirty = b->fat16.state & FAT_STATE_DIRTY;
+
+ /* check that FAT table does not overflow */
+- fat_clusters = sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
++ fat_clusters = calc_fat_clusters(sb);
+ total_clusters = min(total_clusters, fat_clusters - FAT_START_ENT);
+ if (total_clusters > MAX_FAT(sb)) {
+ if (!silent)
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 6599222..e7bf0de 100644
--- a/fs/fcntl.c
@@ -53240,7 +53621,7 @@ index 85e40d1..b66744e 100644
out:
return len;
diff --git a/fs/namespace.c b/fs/namespace.c
-index e945b81..1dd8104 100644
+index e945b81..fc018e2 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1219,6 +1219,9 @@ static int do_umount(struct mount *mnt, int flags)
@@ -53263,6 +53644,24 @@ index e945b81..1dd8104 100644
return retval;
}
+@@ -1257,7 +1263,7 @@ static inline bool may_mount(void)
+ * unixes. Our API is identical to OSF/1 to avoid making a mess of AMD
+ */
+
+-SYSCALL_DEFINE2(umount, char __user *, name, int, flags)
++SYSCALL_DEFINE2(umount, const char __user *, name, int, flags)
+ {
+ struct path path;
+ struct mount *mnt;
+@@ -1297,7 +1303,7 @@ out:
+ /*
+ * The 2.0 compatible umount. No flags.
+ */
+-SYSCALL_DEFINE1(oldumount, char __user *, name)
++SYSCALL_DEFINE1(oldumount, const char __user *, name)
+ {
+ return sys_umount(name, 0);
+ }
@@ -2267,6 +2273,16 @@ long do_mount(const char *dev_name, const char *dir_name,
MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT |
MS_STRICTATIME);
@@ -53290,6 +53689,17 @@ index e945b81..1dd8104 100644
return retval;
}
+@@ -2454,8 +2473,8 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name)
+ }
+ EXPORT_SYMBOL(mount_subtree);
+
+-SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,
+- char __user *, type, unsigned long, flags, void __user *, data)
++SYSCALL_DEFINE5(mount, const char __user *, dev_name, const char __user *, dir_name,
++ const char __user *, type, unsigned long, flags, void __user *, data)
+ {
+ int ret;
+ char *kernel_type;
@@ -2567,6 +2586,11 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root,
if (error)
goto out2;
@@ -55257,6 +55667,36 @@ index 56123a6..5a2f6ec 100644
} else if (mm) {
pid_t tid = vm_is_stack(priv->task, vma, is_pid);
+diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
+index b870f74..e9048df 100644
+--- a/fs/proc/vmcore.c
++++ b/fs/proc/vmcore.c
+@@ -98,9 +98,13 @@ static ssize_t read_from_oldmem(char *buf, size_t count,
+ nr_bytes = count;
+
+ /* If pfn is not ram, return zeros for sparse dump files */
+- if (pfn_is_ram(pfn) == 0)
+- memset(buf, 0, nr_bytes);
+- else {
++ if (pfn_is_ram(pfn) == 0) {
++ if (userbuf) {
++ if (clear_user((char __force_user *)buf, nr_bytes))
++ return -EFAULT;
++ } else
++ memset(buf, 0, nr_bytes);
++ } else {
+ tmp = copy_oldmem_page(pfn, buf, nr_bytes,
+ offset, userbuf);
+ if (tmp < 0)
+@@ -185,7 +189,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
+ if (tsz > nr_bytes)
+ tsz = nr_bytes;
+
+- tmp = read_from_oldmem(buffer, tsz, &start, 1);
++ tmp = read_from_oldmem((char __force_kernel *)buffer, tsz, &start, 1);
+ if (tmp < 0)
+ return tmp;
+ buflen -= tsz;
diff --git a/fs/qnx6/qnx6.h b/fs/qnx6/qnx6.h
index b00fcc9..e0c6381 100644
--- a/fs/qnx6/qnx6.h
@@ -55301,6 +55741,19 @@ index 16e8abb..2dcf914 100644
&quota_genl_family, 0, QUOTA_NL_C_WARNING);
if (!msg_head) {
printk(KERN_ERR
+diff --git a/fs/read_write.c b/fs/read_write.c
+index e6ddc8d..9155227 100644
+--- a/fs/read_write.c
++++ b/fs/read_write.c
+@@ -429,7 +429,7 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t
+
+ old_fs = get_fs();
+ set_fs(get_ds());
+- p = (__force const char __user *)buf;
++ p = (const char __force_user *)buf;
+ if (count > MAX_RW_COUNT)
+ count = MAX_RW_COUNT;
+ if (file->f_op->write)
diff --git a/fs/readdir.c b/fs/readdir.c
index fee38e0..12fdf47 100644
--- a/fs/readdir.c
@@ -71166,9 +71619,25 @@ index a5ffd32..0935dea 100644
extern dma_addr_t swiotlb_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
-index 313a8e0..1da8fc6 100644
+index 313a8e0..6b273a9 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
+@@ -418,11 +418,11 @@ asmlinkage long sys_sync(void);
+ asmlinkage long sys_fsync(unsigned int fd);
+ asmlinkage long sys_fdatasync(unsigned int fd);
+ asmlinkage long sys_bdflush(int func, long data);
+-asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name,
+- char __user *type, unsigned long flags,
++asmlinkage long sys_mount(const char __user *dev_name, const char __user *dir_name,
++ const char __user *type, unsigned long flags,
+ void __user *data);
+-asmlinkage long sys_umount(char __user *name, int flags);
+-asmlinkage long sys_oldumount(char __user *name);
++asmlinkage long sys_umount(const char __user *name, int flags);
++asmlinkage long sys_oldumount(const char __user *name);
+ asmlinkage long sys_truncate(const char __user *path, long length);
+ asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length);
+ asmlinkage long sys_stat(const char __user *filename,
@@ -634,7 +634,7 @@ asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *);
asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *);
asmlinkage long sys_send(int, void __user *, size_t, unsigned);
@@ -72924,9 +73393,27 @@ index f5b978a..69dbfe8 100644
if (!S_ISBLK(stat.st_mode))
return 0;
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
-index a32ec1c..ac08811 100644
+index a32ec1c..60a6659 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
+@@ -37,13 +37,13 @@ static int init_linuxrc(struct subprocess_info *info, struct cred *new)
+ {
+ sys_unshare(CLONE_FS | CLONE_FILES);
+ /* stdin/stdout/stderr for /linuxrc */
+- sys_open("/dev/console", O_RDWR, 0);
++ sys_open((const char __force_user *)"/dev/console", O_RDWR, 0);
+ sys_dup(0);
+ sys_dup(0);
+ /* move initrd over / and chdir/chroot in initrd root */
+- sys_chdir("/root");
+- sys_mount(".", "/", NULL, MS_MOVE, NULL);
+- sys_chroot(".");
++ sys_chdir((const char __force_user *)"/root");
++ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL);
++ sys_chroot((const char __force_user *)".");
+ sys_setsid();
+ return 0;
+ }
@@ -58,8 +58,8 @@ static void __init handle_initrd(void)
create_dev("/dev/root.old", Root_RAM0);
/* mount initrd on rootfs' /root */
@@ -73149,7 +73636,7 @@ index a67ef9d..3d88592 100644
next_state = Reset;
return 0;
diff --git a/init/main.c b/init/main.c
-index 63534a1..8abcaf1 100644
+index 63534a1..85feae2 100644
--- a/init/main.c
+++ b/init/main.c
@@ -98,6 +98,8 @@ static inline void mark_rodata_ro(void) { }
@@ -73286,6 +73773,17 @@ index 63534a1..8abcaf1 100644
}
/*
+@@ -811,8 +884,8 @@ static int run_init_process(const char *init_filename)
+ {
+ argv_init[0] = init_filename;
+ return do_execve(init_filename,
+- (const char __user *const __user *)argv_init,
+- (const char __user *const __user *)envp_init);
++ (const char __user *const __force_user *)argv_init,
++ (const char __user *const __force_user *)envp_init);
+ }
+
+ static noinline void __init kernel_init_freeable(void);
@@ -890,7 +963,7 @@ static noinline void __init kernel_init_freeable(void)
do_basic_setup();
@@ -74134,7 +74632,7 @@ index 00eb8f7..d7e3244 100644
#ifdef CONFIG_MODULE_UNLOAD
{
diff --git a/kernel/events/core.c b/kernel/events/core.c
-index 9fcb094..5c06aeb 100644
+index 9fcb094..fd68c54 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -155,7 +155,11 @@ static struct srcu_struct pmus_srcu;
@@ -74193,6 +74691,15 @@ index 9fcb094..5c06aeb 100644
arch_perf_update_userpage(userpg, now);
+@@ -3886,7 +3890,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size,
+
+ /* Data. */
+ sp = perf_user_stack_pointer(regs);
+- rem = __output_copy_user(handle, (void *) sp, dump_size);
++ rem = __output_copy_user(handle, (void __user *) sp, dump_size);
+ dyn_size = dump_size - rem;
+
+ perf_output_skip(handle, rem);
@@ -3974,11 +3978,11 @@ 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) {
@@ -74245,6 +74752,44 @@ index 9fcb094..5c06aeb 100644
&parent_event->child_total_time_running);
/*
+diff --git a/kernel/events/internal.h b/kernel/events/internal.h
+index eb675c4..54912ff 100644
+--- a/kernel/events/internal.h
++++ b/kernel/events/internal.h
+@@ -77,10 +77,10 @@ static inline unsigned long perf_data_size(struct ring_buffer *rb)
+ return rb->nr_pages << (PAGE_SHIFT + page_order(rb));
+ }
+
+-#define DEFINE_OUTPUT_COPY(func_name, memcpy_func) \
++#define DEFINE_OUTPUT_COPY(func_name, memcpy_func, user) \
+ static inline unsigned int \
+ func_name(struct perf_output_handle *handle, \
+- const void *buf, unsigned int len) \
++ const void user *buf, unsigned int len) \
+ { \
+ unsigned long size, written; \
+ \
+@@ -112,17 +112,17 @@ static inline int memcpy_common(void *dst, const void *src, size_t n)
+ return n;
+ }
+
+-DEFINE_OUTPUT_COPY(__output_copy, memcpy_common)
++DEFINE_OUTPUT_COPY(__output_copy, memcpy_common, )
+
+ #define MEMCPY_SKIP(dst, src, n) (n)
+
+-DEFINE_OUTPUT_COPY(__output_skip, MEMCPY_SKIP)
++DEFINE_OUTPUT_COPY(__output_skip, MEMCPY_SKIP, )
+
+ #ifndef arch_perf_out_copy_user
+ #define arch_perf_out_copy_user __copy_from_user_inatomic
+ #endif
+
+-DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user)
++DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user, __user)
+
+ /* Callchain handling */
+ extern struct perf_callchain_entry *
diff --git a/kernel/exit.c b/kernel/exit.c
index 60bc027..ca6d727 100644
--- a/kernel/exit.c
@@ -77877,7 +78422,7 @@ index 01d5ccb..cdcbee6 100644
return idx;
}
diff --git a/kernel/sys.c b/kernel/sys.c
-index 0da73cf..a22106a 100644
+index 0da73cf..5c2af3c 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -158,6 +158,12 @@ static int set_one_prio(struct task_struct *p, int niceval, int error)
@@ -78034,7 +78579,7 @@ index 0da73cf..a22106a 100644
+ user in between this limit change and an execve by this task, force
+ a recheck only for this task by setting PF_NPROC_EXCEEDED
+ */
-+ if (resource == RLIMIT_NPROC)
++ if (resource == RLIMIT_NPROC && tsk->real_cred->user != INIT_USER)
+ tsk->flags |= PF_NPROC_EXCEEDED;
}
if (!retval) {
@@ -79822,6 +80367,24 @@ 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 e2f7f5aa..a4510d4 100644
+--- a/mm/huge_memory.c
++++ b/mm/huge_memory.c
+@@ -2318,7 +2318,12 @@ static void collapse_huge_page(struct mm_struct *mm,
+ pte_unmap(pte);
+ spin_lock(&mm->page_table_lock);
+ BUG_ON(!pmd_none(*pmd));
+- set_pmd_at(mm, address, pmd, _pmd);
++ /*
++ * We can only use set_pmd_at when establishing
++ * hugepmds and never for establishing regular pmds that
++ * points to regular pagetables. Use pmd_populate for that
++ */
++ pmd_populate(mm, pmd, pmd_pgtable(_pmd));
+ spin_unlock(&mm->page_table_lock);
+ anon_vma_unlock_write(vma->anon_vma);
+ goto out;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 1a12f5b..a85b8fc 100644
--- a/mm/hugetlb.c
@@ -81004,7 +81567,7 @@ index 3bbaf5d..299b0e9 100644
err = -EPERM;
goto out;
diff --git a/mm/mlock.c b/mm/mlock.c
-index 79b7cf7..c60424f 100644
+index 79b7cf7..9944291 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -13,6 +13,7 @@
@@ -81054,7 +81617,7 @@ index 79b7cf7..c60424f 100644
if ((locked <= lock_limit) || capable(CAP_IPC_LOCK))
error = do_mlock(start, len, 1);
up_write(&current->mm->mmap_sem);
-@@ -500,6 +510,12 @@ static int do_mlockall(int flags)
+@@ -500,6 +510,11 @@ static int do_mlockall(int flags)
for (vma = current->mm->mmap; vma ; vma = prev->vm_next) {
vm_flags_t newflags;
@@ -81063,11 +81626,10 @@ index 79b7cf7..c60424f 100644
+ break;
+#endif
+
-+ BUG_ON(vma->vm_end > TASK_SIZE);
newflags = vma->vm_flags & ~VM_LOCKED;
if (flags & MCL_CURRENT)
newflags |= VM_LOCKED;
-@@ -532,6 +548,7 @@ SYSCALL_DEFINE1(mlockall, int, flags)
+@@ -532,6 +547,7 @@ SYSCALL_DEFINE1(mlockall, int, flags)
lock_limit >>= PAGE_SHIFT;
ret = -ENOMEM;
@@ -82287,6 +82849,133 @@ index 0dceed8..671951c 100644
vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND;
vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
+diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
+index be04122..6725ff1 100644
+--- a/mm/mmu_notifier.c
++++ b/mm/mmu_notifier.c
+@@ -40,48 +40,44 @@ void __mmu_notifier_release(struct mm_struct *mm)
+ int id;
+
+ /*
+- * srcu_read_lock() here will block synchronize_srcu() in
+- * mmu_notifier_unregister() until all registered
+- * ->release() callouts this function makes have
+- * returned.
++ * SRCU here will block mmu_notifier_unregister until
++ * ->release returns.
+ */
+ id = srcu_read_lock(&srcu);
++ hlist_for_each_entry_rcu(mn, &mm->mmu_notifier_mm->list, hlist)
++ /*
++ * If ->release runs before mmu_notifier_unregister it must be
++ * handled, as it's the only way for the driver to flush all
++ * existing sptes and stop the driver from establishing any more
++ * sptes before all the pages in the mm are freed.
++ */
++ if (mn->ops->release)
++ mn->ops->release(mn, mm);
++ srcu_read_unlock(&srcu, id);
++
+ spin_lock(&mm->mmu_notifier_mm->lock);
+ while (unlikely(!hlist_empty(&mm->mmu_notifier_mm->list))) {
+ mn = hlist_entry(mm->mmu_notifier_mm->list.first,
+ struct mmu_notifier,
+ hlist);
+-
+ /*
+- * Unlink. This will prevent mmu_notifier_unregister()
+- * from also making the ->release() callout.
++ * We arrived before mmu_notifier_unregister so
++ * mmu_notifier_unregister will do nothing other than to wait
++ * for ->release to finish and for mmu_notifier_unregister to
++ * return.
+ */
+ hlist_del_init_rcu(&mn->hlist);
+- spin_unlock(&mm->mmu_notifier_mm->lock);
+-
+- /*
+- * Clear sptes. (see 'release' description in mmu_notifier.h)
+- */
+- if (mn->ops->release)
+- mn->ops->release(mn, mm);
+-
+- spin_lock(&mm->mmu_notifier_mm->lock);
+ }
+ spin_unlock(&mm->mmu_notifier_mm->lock);
+
+ /*
+- * All callouts to ->release() which we have done are complete.
+- * Allow synchronize_srcu() in mmu_notifier_unregister() to complete
+- */
+- srcu_read_unlock(&srcu, id);
+-
+- /*
+- * mmu_notifier_unregister() may have unlinked a notifier and may
+- * still be calling out to it. Additionally, other notifiers
+- * may have been active via vmtruncate() et. al. Block here
+- * to ensure that all notifier callouts for this mm have been
+- * completed and the sptes are really cleaned up before returning
+- * to exit_mmap().
++ * synchronize_srcu here prevents mmu_notifier_release from returning to
++ * exit_mmap (which would proceed with freeing all pages in the mm)
++ * until the ->release method returns, if it was invoked by
++ * mmu_notifier_unregister.
++ *
++ * The mmu_notifier_mm can't go away from under us because one mm_count
++ * is held by exit_mmap.
+ */
+ synchronize_srcu(&srcu);
+ }
+@@ -292,31 +288,34 @@ void mmu_notifier_unregister(struct mmu_notifier *mn, struct mm_struct *mm)
+ {
+ BUG_ON(atomic_read(&mm->mm_count) <= 0);
+
+- spin_lock(&mm->mmu_notifier_mm->lock);
+ if (!hlist_unhashed(&mn->hlist)) {
++ /*
++ * SRCU here will force exit_mmap to wait for ->release to
++ * finish before freeing the pages.
++ */
+ int id;
+
+- /*
+- * Ensure we synchronize up with __mmu_notifier_release().
+- */
+ id = srcu_read_lock(&srcu);
+-
+- hlist_del_rcu(&mn->hlist);
+- spin_unlock(&mm->mmu_notifier_mm->lock);
+-
+- if (mn->ops->release)
+- mn->ops->release(mn, mm);
+-
+ /*
+- * Allow __mmu_notifier_release() to complete.
++ * exit_mmap will block in mmu_notifier_release to guarantee
++ * that ->release is called before freeing the pages.
+ */
++ if (mn->ops->release)
++ mn->ops->release(mn, mm);
+ srcu_read_unlock(&srcu, id);
+- } else
++
++ spin_lock(&mm->mmu_notifier_mm->lock);
++ /*
++ * Can not use list_del_rcu() since __mmu_notifier_release
++ * can delete it before we hold the lock.
++ */
++ hlist_del_init_rcu(&mn->hlist);
+ spin_unlock(&mm->mmu_notifier_mm->lock);
++ }
+
+ /*
+- * Wait for any running method to finish, including ->release() if it
+- * was run by __mmu_notifier_release() instead of us.
++ * Wait for any running method to finish, of course including
++ * ->release if it was run by mmu_notifier_relase instead of us.
+ */
+ synchronize_srcu(&srcu);
+
diff --git a/mm/mprotect.c b/mm/mprotect.c
index 94722a4..07d9926 100644
--- a/mm/mprotect.c
@@ -82811,6 +83500,19 @@ index 8fcced7..ebcd481 100644
if (order && (gfp_flags & __GFP_COMP))
prep_compound_page(page, order);
+diff --git a/mm/page_io.c b/mm/page_io.c
+index 6182870..4bba6a2 100644
+--- a/mm/page_io.c
++++ b/mm/page_io.c
+@@ -205,7 +205,7 @@ int swap_writepage(struct page *page, struct writeback_control *wbc)
+ struct file *swap_file = sis->swap_file;
+ struct address_space *mapping = swap_file->f_mapping;
+ struct iovec iov = {
+- .iov_base = kmap(page),
++ .iov_base = (void __force_user *)kmap(page),
+ .iov_len = PAGE_SIZE,
+ };
+
diff --git a/mm/percpu.c b/mm/percpu.c
index 8c8e08f..73a5cda 100644
--- a/mm/percpu.c
@@ -91446,6 +92148,19 @@ index d65fa7f..cbfe366 100644
err:
if (iov != iovstack)
kfree(iov);
+diff --git a/security/keys/internal.h b/security/keys/internal.h
+index 8bbefc3..299d03f 100644
+--- a/security/keys/internal.h
++++ b/security/keys/internal.h
+@@ -240,7 +240,7 @@ extern long keyctl_instantiate_key_iov(key_serial_t,
+ extern long keyctl_invalidate_key(key_serial_t);
+
+ extern long keyctl_instantiate_key_common(key_serial_t,
+- const struct iovec *,
++ const struct iovec __user *,
+ unsigned, size_t, key_serial_t);
+
+ /*
diff --git a/security/keys/key.c b/security/keys/key.c
index 8fb7c7b..ba3610d 100644
--- a/security/keys/key.c
@@ -92335,10 +93050,10 @@ index 0000000..144dbee
+targets += size_overflow_hash.h
diff --git a/tools/gcc/checker_plugin.c b/tools/gcc/checker_plugin.c
new file mode 100644
-index 0000000..d41b5af
+index 0000000..22f03c0
--- /dev/null
+++ b/tools/gcc/checker_plugin.c
-@@ -0,0 +1,171 @@
+@@ -0,0 +1,172 @@
+/*
+ * Copyright 2011 by the PaX Team <pageexec@freemail.hu>
+ * Licensed under the GPL v2
@@ -92392,6 +93107,7 @@ index 0000000..d41b5af
+
+static struct plugin_info checker_plugin_info = {
+ .version = "201111150100",
++ .help = NULL,
+};
+
+#define ADDR_SPACE_KERNEL 0