io_uring/zcrx: clear RQ headers on init

It might be unexpected to users if the RQ head/tail after a ring
creation are not zeroed, fix that.

Cc: stable@vger.kernel.org
Fixes: 6f377873cb ("io_uring/zcrx: add interface queue and refill queue")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://patch.msgid.link/331f94663c3e8f021ffa3cb770ca2844a07d4855.1776760911.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2026-04-21 09:46:44 +01:00 committed by Jens Axboe
parent 0fcccfd871
commit 4f02cc4071

View File

@ -396,6 +396,7 @@ static int io_allocate_rbuf_ring(struct io_ring_ctx *ctx,
ifq->rq.ring = (struct io_uring *)ptr;
ifq->rq.rqes = (struct io_uring_zcrx_rqe *)(ptr + off);
memset(ifq->rq.ring, 0, sizeof(*ifq->rq.ring));
return 0;
}