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authorJens Axboe2023-01-02 16:49:46 -0700
committerGreg Kroah-Hartman2023-01-18 11:58:33 +0100
commit0a14c3ded80c7dd399e68f361ee3338b5271c98e (patch)
tree0a67ce69ac768b27caa577876aefd59c435c9a97
parent3925336af00f79fb7f3a390b6ab30d455d32d863 (diff)
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>
-rw-r--r--io_uring/io-wq.c1
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);
}
}