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io_uring/net: don't overflow multishot accept
author
Pavel Begunkov
<asml.silence@gmail.com>
Fri, 11 Aug 2023 12:53:41 +0000
(13:53 +0100)
committer
Jens Axboe
<axboe@kernel.dk>
Fri, 11 Aug 2023 16:42:34 +0000
(10:42 -0600)
Don't allow overflowing multishot accept CQEs, we want to limit
the grows of the overflow list.
Cc: stable@vger.kernel.org
Fixes:
4e86a2c980137
("io_uring: implement multishot mode for accept")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link:
https://lore.kernel.org/r/7d0d749649244873772623dd7747966f516fe6e2.1691757663.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
io_uring/net.c
patch
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diff --git
a/io_uring/net.c
b/io_uring/net.c
index
eb1f51d
..
1599493
100644
(file)
--- a/
io_uring/net.c
+++ b/
io_uring/net.c
@@
-1367,7
+1367,7
@@
retry:
if (ret < 0)
return ret;
if (io_aux_cqe(req, issue_flags & IO_URING_F_COMPLETE_DEFER, ret,
- IORING_CQE_F_MORE,
tru
e))
+ IORING_CQE_F_MORE,
fals
e))
goto retry;
return -ECANCELED;