{"id":2228172,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2228172/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260425155140.50186-14-deller@kernel.org/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260425155140.50186-14-deller@kernel.org>","date":"2026-04-25T15:51:39","name":"[PULL,13/14] linux-user: Use abi_int for imr_ifindex in ip_mreqn struct","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"3da09a37f0f35ab2a1c3ec98b9461d47d949804c","submitter":{"id":87076,"url":"http://patchwork.ozlabs.org/api/1.1/people/87076/?format=json","name":"Helge Deller","email":"deller@kernel.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260425155140.50186-14-deller@kernel.org/mbox/","series":[{"id":501448,"url":"http://patchwork.ozlabs.org/api/1.1/series/501448/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501448","date":"2026-04-25T15:51:29","name":"[PULL,01/14] MAINTAINERS: Add myself as maintainer for linux-user","version":1,"mbox":"http://patchwork.ozlabs.org/series/501448/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2228172/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2228172/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=uVUgxrIq;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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Sat, 25 Apr 2026 11:52:11 -0400","from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58])\n by tor.source.kernel.org (Postfix) with ESMTP id A687D600CB;\n Sat, 25 Apr 2026 15:52:08 +0000 (UTC)","by smtp.kernel.org (Postfix) with ESMTPSA id EDC63C2BCB0;\n Sat, 25 Apr 2026 15:52:06 +0000 (UTC)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n s=k20201202; t=1777132328;\n bh=srPndtwvrTUYJ7OM9qm9DxiqBEi9dXm+PHtlQXIamDI=;\n h=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n b=uVUgxrIqCXvRTxOCZubUbaR2+OGtt/yhIBc/0TJc0laKxyuQh1uIuXOTrA0QTbIF2\n dpsjt+4xYPMsW/USokswPOvHgZbuiP/jnLwIpdYdRVOaNYAj39wSXucHF4OnyMGDuF\n 5PG8aZaIiwNPxOboi+Yw1IhoJwhbNHsPlWB91K49yFKDnlYOZiBXQAie0qADOzWlzy\n 5oZgoMW2WdFbDHW+IUYF/pYaiKRBlGMev46TP2l7d2egPZfKaIPIE/ylkDyPwIQve+\n tbKYkb4I3Bc/aIN+d3yUC4eCxnqOF7N2WTwg487olB7kTqkf/Osh1+x9cboB5CRBPY\n 4El9FqU4ohBEA==","From":"Helge Deller ","To":"qemu-devel@nongnu.org","Cc":"Helge Deller , Jiaxun Yang ,\n Laurent Vivier ,\n Pierrick Bouvier , =?utf-8?q?Philippe_Mathieu-?=\n\t=?utf-8?q?Daud=C3=A9?= ","Subject":"[PULL 13/14] linux-user: Use abi_int for imr_ifindex in ip_mreqn\n struct","Date":"Sat, 25 Apr 2026 17:51:39 +0200","Message-ID":"<20260425155140.50186-14-deller@kernel.org>","X-Mailer":"git-send-email 2.53.0","In-Reply-To":"<20260425155140.50186-1-deller@kernel.org>","References":"<20260425155140.50186-1-deller@kernel.org>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=172.105.4.254; envelope-from=deller@kernel.org;\n helo=tor.source.kernel.org","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001,\n DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Helge Deller \n\nPeter Hartley noticed, that in the qemu code the imr_ifindex member of\nstruct target_ip_mreq needs to be of type \"int\" instead of \"long\", which\nis what the Linux kernel uses on all architectures.\n\nAdjust the type accordingly, and add a QEMU_BUILD_BUG_ON() checker to\nprevent such issues in the future.\n\nThis change should fix multicast issues when using hosts and guests with\ndifferent endianess or bit size.\n\nReported-by: Peter Hartley \nResolves: https://gitlab.com/qemu-project/qemu/-/work_items/2553\nSigned-off-by: Helge Deller \n---\n linux-user/syscall.c | 2 ++\n linux-user/syscall_defs.h | 2 +-\n 2 files changed, 3 insertions(+), 1 deletion(-)","diff":"diff --git a/linux-user/syscall.c b/linux-user/syscall.c\nindex 910a4da0a6..4594909242 100644\n--- a/linux-user/syscall.c\n+++ b/linux-user/syscall.c\n@@ -2161,6 +2161,8 @@ static abi_long do_setsockopt(int sockfd, int level, int optname,\n \n QEMU_BUILD_BUG_ON(sizeof(struct ip_mreq) !=\n sizeof(struct target_ip_mreq));\n+ QEMU_BUILD_BUG_ON(sizeof(struct ip_mreqn) !=\n+ sizeof(struct target_ip_mreqn));\n \n if (optname == IP_MULTICAST_IF) {\n min_size = sizeof(struct in_addr);\ndiff --git a/linux-user/syscall_defs.h b/linux-user/syscall_defs.h\nindex 6967306be4..5799769f83 100644\n--- a/linux-user/syscall_defs.h\n+++ b/linux-user/syscall_defs.h\n@@ -210,7 +210,7 @@ struct target_ip_mreq {\n struct target_ip_mreqn {\n struct target_in_addr imr_multiaddr;\n struct target_in_addr imr_address;\n- abi_long imr_ifindex;\n+ abi_int imr_ifindex;\n };\n \n struct target_ip_mreq_source {\n","prefixes":["PULL","13/14"]}