| commit | 95d1c8e5f801e959a89181a2548a3efa60a1a6ce | [log] [tgz] |
|---|---|---|
| author | Jiufei Xue <jiufei.xue@linux.alibaba.com> | Wed Sep 02 17:59:39 2020 +0800 |
| committer | Jens Axboe <axboe@kernel.dk> | Wed Sep 02 09:11:59 2020 -0600 |
| tree | 9bd1f1f50996bbb5518c58605a473150f41eda2c | |
| parent | 98dfd5024a2e9e170b85c07078e2d89f20a5dfbd [diff] |
io_uring: set table->files[i] to NULL when io_sqe_file_register failed
While io_sqe_file_register() failed in __io_sqe_files_update(),
table->files[i] still point to the original file which may freed
soon, and that will trigger use-after-free problems.
Cc: stable@vger.kernel.org
Fixes: f3bd9dae3708 ("io_uring: fix memleak in __io_sqe_files_update()")
Signed-off-by: Jiufei Xue <jiufei.xue@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>