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| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-03-14 20:57:08 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-03-15 09:31:19 -0600 |
| commit | efe814a471e0e58f28f1efaf430c8784a4f36626 (patch) | |
| tree | dfb06e1ac8485fefb8a1d08bb3293894597dce2b /kernel/locking/rtmutex-debug.c | |
| parent | 9e15c3a0ced5a61f320b989072c24983cb1620c1 (diff) | |
io_uring: fix ->flags races by linked timeouts
It's racy to modify req->flags from a not owning context, e.g. linked
timeout calling req_set_fail_links() for the master request might race
with that request setting/clearing flags while being executed
concurrently. Just remove req_set_fail_links(prev) from
io_link_timeout_fn(), io_async_find_and_cancel() and functions down the
line take care of setting the fail bit.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'kernel/locking/rtmutex-debug.c')
0 files changed, 0 insertions, 0 deletions