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| author | Pavel Begunkov <asml.silence@gmail.com> | 2023-01-20 19:38:06 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-01-20 19:49:34 +0300 |
| commit | 8579538c89e33ce78be2feb41e07489c8cbf8f31 (patch) | |
| tree | d609c121d5a9eaf5187d772567d1c08c1365928b /lib/idr.c | |
| parent | 56d8e3180c065c9b78ed77afcd0cf99677a4e22f (diff) | |
| download | linux-8579538c89e33ce78be2feb41e07489c8cbf8f31.tar.xz | |
io_uring/msg_ring: fix remote queue to disabled ring
IORING_SETUP_R_DISABLED rings don't have the submitter task set, so
it's not always safe to use ->submitter_task. Disallow posting msg_ring
messaged to disabled rings. Also add task NULL check for loosy sync
around testing for IORING_SETUP_R_DISABLED.
Cc: stable@vger.kernel.org
Fixes: 6d043ee1164ca ("io_uring: do msg_ring in target task via tw")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'lib/idr.c')
0 files changed, 0 insertions, 0 deletions