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| author | Pavel Begunkov <asml.silence@gmail.com> | 2023-05-19 15:21:16 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-05-19 19:56:56 -0600 |
| commit | 5498bf28d8f2bd63a46ad40f4427518615fb793f (patch) | |
| tree | 309046326582714d3cab7d2ff7cb5f09edbf95a3 /io_uring/sync.h | |
| parent | 3af0356c162c299a8216576b644eb72715e97cb2 (diff) | |
io_uring: annotate offset timeout races
It's racy to read ->cached_cq_tail without taking proper measures
(usually grabbing ->completion_lock) as timeout requests with CQE
offsets do, however they have never had a good semantics for from
when they start counting. Annotate racy reads with data_race().
Reported-by: syzbot+cb265db2f3f3468ef436@syzkaller.appspotmail.com
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4de3685e185832a92a572df2be2c735d2e21a83d.1684506056.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/sync.h')
0 files changed, 0 insertions, 0 deletions