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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-23 14:29:43 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-10-23 14:29:43 +0200 |
commit | 7706abf5a0eb4c082897fd2a17a0ac0898e39666 (patch) | |
tree | 982d22365f1aeedc43a796ef816cf1b1fa8480a7 /kernel/exit.c | |
parent | staging: vc04_services: Remove unnecessary braces (diff) | |
parent | Linux 4.14-rc6 (diff) | |
download | linux-dev-7706abf5a0eb4c082897fd2a17a0ac0898e39666.tar.xz linux-dev-7706abf5a0eb4c082897fd2a17a0ac0898e39666.zip |
Merge 4.14-rc6 into staging-next
We want the IIO and staging driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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); |