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authorKevin Hilman <khilman@linaro.org>2015-09-14 14:20:05 -0700
committerKevin Hilman <khilman@linaro.org>2015-09-14 14:20:05 -0700
commitde5cfb5acd63d7f86bd60dc4a578519fe4831bca (patch)
tree166fde342fc3aaf31e6498d448dc4af5dc400ec9 /kernel/signal.c
parent6c5cc590aee3a2602edfa907120e6c1f6d0dc0e4 (diff)
parentc765e5c15e7d23d2b8b37fafdafc63c0ea75fabf (diff)
Merge branch 'linux-linaro-lsk-v3.14' into linux-linaro-lsk-v3.14-androidlsk-v3.14-15.09-android
* linux-linaro-lsk-v3.14: (66 commits) Linux 3.14.52 arm64: KVM: Fix host crash when injecting a fault into a 32bit guest SCSI: Fix NULL pointer dereference in runtime PM arm64/mm: Remove hack in mmap randomize layout crypto: caam - fix memory corruption in ahash_final_ctx regmap: regcache-rbtree: Clean new present bits on present bitmap resize libfc: Fix fc_fcp_cleanup_each_cmd() libfc: Fix fc_exch_recv_req() error path drm/vmwgfx: Fix execbuf locking issues drm/radeon: add new OLAND pci id EDAC, ppc4xx: Access mci->csrows array elements properly localmodconfig: Use Kbuild files too dm thin metadata: delete btrees when releasing metadata snapshot perf: Fix PERF_EVENT_IOC_PERIOD migration race perf: Fix fasync handling on inherited events xen-blkfront: don't add indirect pages to list when !feature_persistent mm/hwpoison: fix page refcount of unknown non LRU page ipc/sem.c: update/correct memory barriers ipc,sem: fix use after free on IPC_RMID after a task using same semaphore set exits arm64: el0_dbg does not set link reg for return to user path, breaks debug ...
Diffstat (limited to 'kernel/signal.c')
-rw-r--r--kernel/signal.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 52f881db1ca0..15c22ee11156 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2768,7 +2768,8 @@ int copy_siginfo_to_user(siginfo_t __user *to, const siginfo_t *from)
* Other callers might not initialize the si_lsb field,
* so check explicitly for the right codes here.
*/
- if (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO)
+ if (from->si_signo == SIGBUS &&
+ (from->si_code == BUS_MCEERR_AR || from->si_code == BUS_MCEERR_AO))
err |= __put_user(from->si_addr_lsb, &to->si_addr_lsb);
#endif
break;
@@ -3035,7 +3036,7 @@ COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo,
int, sig,
struct compat_siginfo __user *, uinfo)
{
- siginfo_t info;
+ siginfo_t info = {};
int ret = copy_siginfo_from_user32(&info, uinfo);
if (unlikely(ret))
return ret;
@@ -3081,7 +3082,7 @@ COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo,
int, sig,
struct compat_siginfo __user *, uinfo)
{
- siginfo_t info;
+ siginfo_t info = {};
if (copy_siginfo_from_user32(&info, uinfo))
return -EFAULT;