6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Pavel Begunkov <asml.silence@xxxxxxxxx>
[ upstream commit 1bfed23349716a7811645336a7ce42c4b8f250bc ]
Don't allow overflowing multishot accept CQEs, we want to limit
the grows of the overflow list.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 4e86a2c980137 ("io_uring: implement multishot mode for accept")
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
Link: https://lore.kernel.org/r/7d0d749649244873772623dd7747966f516fe6e2.1691757663.git.asml.silence@xxxxxxxxx
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
io_uring/net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -1339,7 +1339,7 @@ retry:
if (ret < 0)
return ret;
- if (io_post_aux_cqe(ctx, req->cqe.user_data, ret, IORING_CQE_F_MORE, true))
+ if (io_post_aux_cqe(ctx, req->cqe.user_data, ret, IORING_CQE_F_MORE, false))
goto retry;
return -ECANCELED;
