mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-29 22:02:02 +00:00
Code Issues Releases Wiki Activity

io_uring: validate timespec for timeout removals

Browse source 
Like commit f6223ff799, timeout removal should also validate the
timespec that is being passed in.

Signed-off-by: Ye Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20211129041537.1936270-1-yebin10@huawei.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Ye Bin 2021-11-29 12:15:37 +08:00 committed by Jens Axboe
parent b6c7db3218
commit 2087009c74
1 changed files with 2 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
fs/io_uring.c
View file

@ -6111,6 +6111,8 @@ static int io_timeout_remove_prep(struct io_kiocb *req,
return -EINVAL;
if (get_timespec64(&tr->ts, u64_to_user_ptr(sqe->addr2)))
return -EFAULT;
if (tr->ts.tv_sec < 0 || tr->ts.tv_nsec < 0)
return -EINVAL;
} else if (tr->flags) {
/* timeout removal doesn't support flags */
return -EINVAL;