Commit 2087009c authored by Ye Bin's avatar Ye Bin Committed by Jens Axboe
Browse files

io_uring: validate timespec for timeout removals 



Like commit f6223ff7, timeout removal should also validate the
timespec that is being passed in.

Signed-off-by: default avatarYe Bin <yebin10@huawei.com>
Link: https://lore.kernel.org/r/20211129041537.1936270-1-yebin10@huawei.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent b6c7db32

fs/io_uring.c

+2 −0
Original line number Diff line number Diff line
@@ -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;