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io_uring/net: initialize mshot_len for send

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Commit:

6a8afb9fff ("io_uring/net: allow multishot receive per-invocation cap")

changed how io_mshot_prep_retry() set sr->len, and added the same
initialization in io_mshot_prep_retry(). But it neglected to touch the
send path, which may also uses the mshot retry path. Ensure that
sr->mshot_len always gets initialized correctly.

Fixes: 6a8afb9fff ("io_uring/net: allow multishot receive per-invocation cap")
Cc: stable@vger.kernel.org
Reported-by: Sung Keum <kambodi127@gmail.com>
Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2026-07-30 10:33:05 -06:00
parent f5098b6bae
commit c77ffbc980
1 changed files with 1 additions and 0 deletions
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io_uring/net.c
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@@ -445,6 +445,7 @@ int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
req->flags |= REQ_F_NOWAIT;
if (req->flags & REQ_F_BUFFER_SELECT)
sr->buf_group = req->buf_index;
sr->mshot_total_len = sr->mshot_len = 0;
if (sr->flags & IORING_RECVSEND_BUNDLE) {
if (req->opcode == IORING_OP_SENDMSG)
return -EINVAL;