diff options
Diffstat (limited to 'arch/mips/kernel/linux32.c')
| -rw-r--r-- | arch/mips/kernel/linux32.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 9996b6e8458..5f68b220c26 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -230,6 +230,9 @@ sysn32_waitid(int which, compat_pid_t pid, long ret; mm_segment_t old_fs = get_fs(); + if (!access_ok(VERIFY_WRITE, uinfo, sizeof(*uinfo))) + return -EFAULT; + set_fs (KERNEL_DS); ret = sys_waitid(which, pid, uinfo, options, uru ? (struct rusage __user *) &ru : NULL); |