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io_uring/net: ensure expanded bundle recv gets marked for cleanup

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If the iovec inside the kmsg isn't already allocated AND one gets
expanded beyond the fixed size, then the request may not already have
been marked for cleanup. Ensure that it is.

Cc: stable@vger.kernel.org
Fixes: 2f9c9515bd ("io_uring/net: support bundles for recv")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2024-08-07 15:06:45 -06:00
parent c3fca4fb83
commit 11893e144e
1 changed files with 1 additions and 0 deletions
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io_uring/net.c
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@ -1094,6 +1094,7 @@ static int io_recv_buf_select(struct io_kiocb *req, struct io_async_msghdr *kmsg
if (arg.iovs != &kmsg->fast_iov && arg.iovs != kmsg->free_iov) {
kmsg->free_iov_nr = ret;
kmsg->free_iov = arg.iovs;
req->flags |= REQ_F_NEED_CLEANUP;
}
} else {
void __user *buf;