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| author | David S. Miller <davem@davemloft.net> | 2016-08-18 01:17:32 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-08-18 01:17:32 -0400 |
| commit | 60747ef4d173c2747bf7f0377fb22846cb422195 (patch) | |
| tree | ea0faf33b952495c47909be1400c475a3f3821b0 /arch/arm/kernel/sys_oabi-compat.c | |
| parent | 484334198f8ce9552e20930fff9408ebf6bcf94d (diff) | |
| parent | 184ca823481c99dadd7d946e5afd4bb921eab30d (diff) | |
| download | talos-obmc-linux-60747ef4d173c2747bf7f0377fb22846cb422195.tar.gz talos-obmc-linux-60747ef4d173c2747bf7f0377fb22846cb422195.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Minor overlapping changes for both merge conflicts.
Resolution work done by Stephen Rothwell was used
as a reference.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/arm/kernel/sys_oabi-compat.c')
| -rw-r--r-- | arch/arm/kernel/sys_oabi-compat.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index 087acb569b63..5f221acd21ae 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -279,8 +279,12 @@ asmlinkage long sys_oabi_epoll_wait(int epfd, mm_segment_t fs; long ret, err, i; - if (maxevents <= 0 || maxevents > (INT_MAX/sizeof(struct epoll_event))) + if (maxevents <= 0 || + maxevents > (INT_MAX/sizeof(*kbuf)) || + maxevents > (INT_MAX/sizeof(*events))) return -EINVAL; + if (!access_ok(VERIFY_WRITE, events, sizeof(*events) * maxevents)) + return -EFAULT; kbuf = kmalloc(sizeof(*kbuf) * maxevents, GFP_KERNEL); if (!kbuf) return -ENOMEM; @@ -317,6 +321,8 @@ asmlinkage long sys_oabi_semtimedop(int semid, if (nsops < 1 || nsops > SEMOPM) return -EINVAL; + if (!access_ok(VERIFY_READ, tsops, sizeof(*tsops) * nsops)) + return -EFAULT; sops = kmalloc(sizeof(*sops) * nsops, GFP_KERNEL); if (!sops) return -ENOMEM; |
