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| author | Ye Bin <yebin10@huawei.com> | 2021-11-29 12:15:37 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-11-29 06:46:39 -0700 |
| commit | 2087009c74d41ab8579f08157bca55b7d0857ee5 (patch) | |
| tree | 3e4d11d26b1b72e758c6292bee83b928f1856ca3 /fs/io_uring.c | |
| parent | b6c7db32183251204f124b10d6177d46558ca7b8 (diff) | |
| download | lwn-2087009c74d41ab8579f08157bca55b7d0857ee5.tar.gz lwn-2087009c74d41ab8579f08157bca55b7d0857ee5.zip | |
io_uring: validate timespec for timeout removals
Like commit f6223ff79966, 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>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 08b1b3de9b3f..8b6bfed16f65 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -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; |