From patchwork Tue Mar 7 20:38:28 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ammar Faizi X-Patchwork-Id: 13164694 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26E58C678D5 for ; Tue, 7 Mar 2023 20:39:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229577AbjCGUjK (ORCPT ); Tue, 7 Mar 2023 15:39:10 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230110AbjCGUjI (ORCPT ); Tue, 7 Mar 2023 15:39:08 -0500 Received: from gnuweeb.org (gnuweeb.org [51.81.211.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BC52D97FD4; Tue, 7 Mar 2023 12:39:06 -0800 (PST) Received: from localhost.localdomain (unknown [182.253.183.169]) by gnuweeb.org (Postfix) with ESMTPSA id 0E7467E3C0; Tue, 7 Mar 2023 20:39:03 +0000 (UTC) X-GW-Data: lPqxHiMPbJw1wb7CM9QUryAGzr0yq5atzVDdxTR0iA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gnuweeb.org; s=default; t=1678221546; bh=Mp/rhC8HIg+j7inL/6xYeQll6B81fY9c8V1MheagYO0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q3+HBuyqNpRf7N/ZrB56nQ1bmLN/VsgZ6aPzZHMukxR3xjgEHB9cDMcDBZagHCDGD klH41erNqp0897Ja5Kz94Ib/Vk7YIX7jlURUcxNARHdDjvXUF9D4as5DDebu5olOAM YE+MnCAMxZQEaGT2Mm7V2wzt7u8jVw7n9aqWkKXZR4n8pUBQ+jD25bjlkR3i2epe/V qnJx7BOhMjzZgO0TUFX90M09J5l95MRqdOwymOr1408RLKK0jgaHXMsyLXM9xq3Kta u8D0F2em8kQe9Ac8qDC4GtVxhOBduBGnk0JvXgp33rRxFn8LHdiT13xFmimymLxzvS nex/jJS57MSEg== From: Ammar Faizi To: Jens Axboe Cc: Pavel Begunkov , io-uring Mailing List , Linux Kernel Mailing List , Ammar Faizi , Dylan Yudaken Subject: [PATCH liburing v1 1/3] io_uring-udp: Fix the wrong `inet_ntop()` argument Date: Wed, 8 Mar 2023 03:38:28 +0700 Message-Id: <20230307203830.612939-2-ammarfaizi2@gnuweeb.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230307203830.612939-1-ammarfaizi2@gnuweeb.org> References: <20230307203830.612939-1-ammarfaizi2@gnuweeb.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org The verbose output shows the wrong IP address. The second argument of inet_ntop() should be a pointer to the binary representation of the IP address. Fix it. Reported-by: @mczka # A GitHub user Cc: Dylan Yudaken Closes: https://github.com/axboe/liburing/pull/815 Fixes: https://github.com/axboe/liburing/issues/814 Fixes: 61d472b51e761e61c ("add an example for a UDP server") Signed-off-by: Ammar Faizi --- examples/io_uring-udp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/examples/io_uring-udp.c b/examples/io_uring-udp.c index a07c3e2a6f20cd17..b81a5e7c47afd9c8 100644 --- a/examples/io_uring-udp.c +++ b/examples/io_uring-udp.c @@ -275,7 +275,7 @@ static int process_cqe_recv(struct ctx *ctx, struct io_uring_cqe *cqe, const char *name; struct sockaddr_in *addr = io_uring_recvmsg_name(o); - name = inet_ntop(ctx->af, addr, buff, sizeof(buff)); + name = inet_ntop(ctx->af, &addr->sin_addr, buff, sizeof(buff)); if (!name) name = ""; fprintf(stderr, "received %u bytes %d from %s:%d\n",