diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-11-17 18:40:16 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-17 12:33:33 -0700 |
| commit | 91482864768a874c4290ef93b84a78f4f1dac51b (patch) | |
| tree | 0220e27b172b21d1e4e687064fae3cb26a115038 /io_uring/io_uring.c | |
| parent | 539bcb57da2f58886d7d5c17134236b0ec9cd15d (diff) | |
| download | linux-91482864768a874c4290ef93b84a78f4f1dac51b.tar.bz2 | |
io_uring: fix multishot accept request leaks
Having REQ_F_POLLED set doesn't guarantee that the request is
executed as a multishot from the polling path. Fortunately for us, if
the code thinks it's multishot issue when it's not, it can only ask to
skip completion so leaking the request. Use issue_flags to mark
multipoll issues.
Cc: stable@vger.kernel.org
Fixes: 390ed29b5e425 ("io_uring: add IORING_ACCEPT_MULTISHOT for accept")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/7700ac57653f2823e30b34dc74da68678c0c5f13.1668710222.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 4a1e482747cc..8840cf3e20f2 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1768,7 +1768,7 @@ int io_poll_issue(struct io_kiocb *req, bool *locked) io_tw_lock(req->ctx, locked); if (unlikely(req->task->flags & PF_EXITING)) return -EFAULT; - return io_issue_sqe(req, IO_URING_F_NONBLOCK); + return io_issue_sqe(req, IO_URING_F_NONBLOCK|IO_URING_F_MULTISHOT); } struct io_wq_work *io_wq_free_work(struct io_wq_work *work) |