From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 387587461 for ; Sun, 17 Sep 2023 20:00:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9ABDEC43391; Sun, 17 Sep 2023 20:00:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694980835; bh=dIdplIjUgxEjiHRyfzGLGVHV8R+19hclroVL09+JGrM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Zfyne+kmS+QC/ZJVbRk752Kgc71KURGL7JjMip83E/tM2gaPjkkgIbEHNSY4jqKDb IKmkCLH9EtKCcP4K/tYYnDaXuxfRsjJMDRx+mpRcxCE8NX+hat8gyNrUqju/poAuSu hom702ZPVNvetn8s2JiAsbbyhw/qTpCJCsmr6WBk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pavel Begunkov , Jens Axboe Subject: [PATCH 6.1 006/219] io_uring/net: dont overflow multishot accept Date: Sun, 17 Sep 2023 21:12:13 +0200 Message-ID: <20230917191041.195126484@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917191040.964416434@linuxfoundation.org> References: <20230917191040.964416434@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pavel Begunkov [ upstream commit 1bfed23349716a7811645336a7ce42c4b8f250bc ] 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 Link: https://lore.kernel.org/r/7d0d749649244873772623dd7747966f516fe6e2.1691757663.git.asml.silence@gmail.com Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- 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;