diff options
| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-11-14 07:43:00 -0800 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-11-14 07:43:00 -0800 |
| commit | 176d5325d1a7d088e96cfef898fa7d3a622a6903 (patch) | |
| tree | f12c24b72202e032114aef576f53deac9f595646 /kernel/exit.c | |
| parent | 70a84f3c6075031dbf004a1610ca2471f4c528aa (diff) | |
| parent | f150891fd9878ef0d9197c4e8451ce67c3bdd014 (diff) | |
Merge airlied/drm-next into drm-intel-next-queued
Catchup with upstream.
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index f2cd53e92147..f6cad39f35df 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1610,6 +1610,9 @@ SYSCALL_DEFINE5(waitid, int, which, pid_t, upid, struct siginfo __user *, if (!infop) return err; + if (!access_ok(VERIFY_WRITE, infop, sizeof(*infop))) + return -EFAULT; + user_access_begin(); unsafe_put_user(signo, &infop->si_signo, Efault); unsafe_put_user(0, &infop->si_errno, Efault); @@ -1735,6 +1738,9 @@ COMPAT_SYSCALL_DEFINE5(waitid, if (!infop) return err; + if (!access_ok(VERIFY_WRITE, infop, sizeof(*infop))) + return -EFAULT; + user_access_begin(); unsafe_put_user(signo, &infop->si_signo, Efault); unsafe_put_user(0, &infop->si_errno, Efault); |