diff options
Diffstat (limited to 'io_uring/poll.c')
| -rw-r--r-- | io_uring/poll.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/io_uring/poll.c b/io_uring/poll.c index cbf44c38efd9..bd3110750cfa 100644 --- a/io_uring/poll.c +++ b/io_uring/poll.c @@ -833,6 +833,11 @@ int io_poll_remove(struct io_kiocb *req, unsigned int issue_flags) } found: + if (WARN_ON_ONCE(preq->opcode != IORING_OP_POLL_ADD)) { + ret = -EFAULT; + goto out; + } + if (poll_update->update_events || poll_update->update_user_data) { /* only mask one event flags, keep behavior flags */ if (poll_update->update_events) { |