From mboxrd@z Thu Jan 1 00:00:00 1970 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 lists.zx2c4.com (lists.zx2c4.com [165.227.139.114]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C3260C6FA82 for ; Tue, 13 Sep 2022 19:51:48 +0000 (UTC) Received: by lists.zx2c4.com (OpenSMTPD) with ESMTP id 8145fab5; Tue, 13 Sep 2022 19:51:46 +0000 (UTC) Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) by lists.zx2c4.com (OpenSMTPD) with ESMTPS id 65ffe657 (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO) for ; Tue, 13 Sep 2022 19:51:43 +0000 (UTC) Received: by mail-io1-f71.google.com with SMTP id e4-20020a5d85c4000000b0068bb3c11e72so7831901ios.5 for ; Tue, 13 Sep 2022 12:51:43 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date; bh=4Ja416e6EJtl4Wt4k3rSUiNYJTMdEKf5Mdz7+oJMoaM=; b=xNXDeLYiJ8sVEdbUu8iP6JdteaDXtGpUqk6VR4jFCl1yg3ZiKMVaPp8FPDICrdK0uI iURo4s/hcJVXpo4l94xWVaBMNShdEbHG0K5/aoY9JCLC4XZ3NhyJX5zX2Wy9VyagDnQ0 eEl/ejVNQAch+yb5ThGmnM5k5WgC6+aBbUzWTB7WETqZTPTi0gGqBxJJalxfzJhdYkNx C6JwCgFPPpdjvwxnoKx1KK8j947Vq10cx9N8eq92PN5wQy2EvGn31SzbBsTFpy/ew2Te c1UNEqlEkbAQXGTQ78qrjPgAtQpbk0F11gOZqMPlsXg8xxthiLd7Hqd1xRplieX+DqvN 2uZg== X-Gm-Message-State: ACgBeo3h/l/GbRELQ8CF5jezkN0b1D/Q7bimEJw2VtdQmlNbAO6jeM5G tOASbR2dMqK/bJAFTkTITaZTEbnAutU6rwAPtOtxaaJQb/bg X-Google-Smtp-Source: AA6agR7PzI68sFAEeTK6kqc/EWQIZjiO+xUlEtke6HmJMklycsbSZgPtF3Lv8oRweEc5SEqc1AMHgWLOP1OApBKLU6KC8qd3kkhg MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1688:b0:2f2:179b:a648 with SMTP id f8-20020a056e02168800b002f2179ba648mr13182154ila.201.1663098702306; Tue, 13 Sep 2022 12:51:42 -0700 (PDT) Date: Tue, 13 Sep 2022 12:51:42 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000060a74405e8945759@google.com> Subject: [syzbot] linux-next test error: WARNING in set_peer From: syzbot To: Jason@zx2c4.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, sfr@canb.auug.org.au, syzkaller-bugs@googlegroups.com, wireguard@lists.zx2c4.com Content-Type: text/plain; charset="UTF-8" X-BeenThere: wireguard@lists.zx2c4.com X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: Development discussion of WireGuard List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: wireguard-bounces@lists.zx2c4.com Sender: "WireGuard" Hello, syzbot found the following issue on: HEAD commit: 0caac1da9949 Add linux-next specific files for 20220913 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=172d78d8880000 kernel config: https://syzkaller.appspot.com/x/.config?x=2fd6142ea1cf631c dashboard link: https://syzkaller.appspot.com/bug?extid=a448cda4dba2dac50de5 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4916ab25f774/disk-0caac1da.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/16dace3b273b/vmlinux-0caac1da.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+a448cda4dba2dac50de5@syzkaller.appspotmail.com netdevsim netdevsim0 netdevsim1: renamed from eth1 netdevsim netdevsim0 netdevsim2: renamed from eth2 netdevsim netdevsim0 netdevsim3: renamed from eth3 ------------[ cut here ]------------ memcpy: detected field-spanning write (size 28) of single field "&endpoint.addr" at drivers/net/wireguard/netlink.c:446 (size 16) WARNING: CPU: 0 PID: 3616 at drivers/net/wireguard/netlink.c:446 set_peer+0x991/0x10c0 drivers/net/wireguard/netlink.c:446 Modules linked in: CPU: 0 PID: 3616 Comm: syz-executor.0 Not tainted 6.0.0-rc5-next-20220913-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:set_peer+0x991/0x10c0 drivers/net/wireguard/netlink.c:446 Code: 00 e8 63 30 b3 fc b9 10 00 00 00 48 c7 c2 00 4c 72 8a be 1c 00 00 00 48 c7 c7 60 4c 72 8a c6 05 d0 e7 02 09 01 e8 f1 d7 74 04 <0f> 0b e9 03 04 00 00 e8 33 30 b3 fc 89 ee 44 89 ef e8 79 2c b3 fc RSP: 0018:ffffc90003d4f540 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffc90003d4f6d8 RCX: 0000000000000000 RDX: ffff888072ed57c0 RSI: ffffffff81611eb8 RDI: fffff520007a9e9a RBP: ffffc90003d4f5e8 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 7720676e696e6e6d R12: 000000000000001c R13: 0000000000000000 R14: ffff888072f1d104 R15: ffff888024cb0960 FS: 000055555616b400(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa5644d32c0 CR3: 000000006e43c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: wg_set_device+0x8d7/0x11b0 drivers/net/wireguard/netlink.c:589 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:778 [inline] genl_rcv_msg+0x3b7/0x630 net/netlink/genetlink.c:795 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:806 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x236/0x340 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa56343c18c Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b RSP: 002b:00007ffe4bc97580 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fa5644d4320 RCX: 00007fa56343c18c RDX: 0000000000000170 RSI: 00007fa5644d4370 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007ffe4bc975d4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007fa5644d4370 R14: 0000000000000005 R15: 0000000000000000 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.