diff options
| author | Jens Axboe <axboe@kernel.dk> | 2023-01-03 02:49:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-18 13:58:33 +0300 |
| commit | 0a14c3ded80c7dd399e68f361ee3338b5271c98e (patch) | |
| tree | 0a67ce69ac768b27caa577876aefd59c435c9a97 /io_uring | |
| parent | 3925336af00f79fb7f3a390b6ab30d455d32d863 (diff) | |
| download | linux-0a14c3ded80c7dd399e68f361ee3338b5271c98e.tar.xz | |
io_uring/io-wq: free worker if task_work creation is canceled
commit af82425c6a2d2f347c79b63ce74fca6dc6be157f upstream.
If we cancel the task_work, the worker will never come into existance.
As this is the last reference to it, ensure that we get it freed
appropriately.
Cc: stable@vger.kernel.org
Reported-by: 진호 <wnwlsgh98@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/io-wq.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c index 6f1d0e5df23a..992dcd9f8c4c 100644 --- a/io_uring/io-wq.c +++ b/io_uring/io-wq.c @@ -1230,6 +1230,7 @@ static void io_wq_cancel_tw_create(struct io_wq *wq) worker = container_of(cb, struct io_worker, create_work); io_worker_cancel_cb(worker); + kfree(worker); } } |