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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7FA09C4332F for ; Wed, 12 Oct 2022 17:33:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229646AbiJLRdw (ORCPT ); Wed, 12 Oct 2022 13:33:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48626 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229513AbiJLRds (ORCPT ); Wed, 12 Oct 2022 13:33:48 -0400 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E38CCB5FF0 for ; Wed, 12 Oct 2022 10:33:47 -0700 (PDT) Received: by mail-io1-f69.google.com with SMTP id bx19-20020a056602419300b006bcbf3b91fdso734822iob.13 for ; Wed, 12 Oct 2022 10:33:47 -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:message-id:reply-to; bh=BdkoRVMJ90T5a3AiDSQOPz1ky7p4FPo1aE/Z/gAXzJ0=; b=Wlt3C7d+l32xlKWRtNZnsEIycZKLacXhBJ8dgijkVxxVYMdIyoWC5vDh4+v12Tdt1e /bCAGs26TUlWpzumK4KvlgeC+KgCV/YWZpcGOELUpPQ9QimT3bV4rYCmoLZyytANSnag dzP1/l0g8Zb+JGDHKKOZGocm1zvU2KVyGw7T7MaQg4jhOlOG44TbltVCfyf//7V6cVQt brmpmW+F9k+xPogG4NAiJjdClErDoDsddFRlGSiG4rp2XiSwEGkntJA13e+sN0mC4R5T QeTginNizPdzdxNjCBr7bMaBvRnz5iIMd2nixBGdDcPq7UtMVYITEAww1EmRVqGOwDk3 mOkQ== X-Gm-Message-State: ACrzQf2i3npdWssNPZ1Ev2Ru/PbQHf9+Z9/b8H0JPlm1OcCVmGUKSLtC ZYliBpGsMbsvhDaQLvH3pYRbuy7gZzpZuKe3uFa0pqidzzyb X-Google-Smtp-Source: AMsMyM4CBX20T3busmTdRVBZIjm7yhmOvTYcL9K9AfLSEd9Jp5AolsfDqKOpnvL8gDxxV2iPSI9EAjfVtC7iQlOflZLTuBUsJwo4 MIME-Version: 1.0 X-Received: by 2002:a6b:c411:0:b0:6bc:1382:37d5 with SMTP id y17-20020a6bc411000000b006bc138237d5mr9195202ioa.133.1665596027294; Wed, 12 Oct 2022 10:33:47 -0700 (PDT) Date: Wed, 12 Oct 2022 10:33:47 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008bdd0305ead9cb9f@google.com> Subject: [syzbot] WARNING in ovs_dp_cmd_new (2) From: syzbot To: davem@davemloft.net, dev@openvswitch.org, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, pshelar@ovn.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: e8bc52cb8df8 Merge tag 'driver-core-6.1-rc1' of git://git... git tree: upstream console+strace: https://syzkaller.appspot.com/x/log.txt?x=1112f08a880000 kernel config: https://syzkaller.appspot.com/x/.config?x=1b85abe77fd80fd6 dashboard link: https://syzkaller.appspot.com/bug?extid=6c1a3b18294de0f138d8 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1112607c880000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=144b0ca4880000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/40287b1866de/disk-e8bc52cb.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/1ef7d0e94dfc/vmlinux-e8bc52cb.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+6c1a3b18294de0f138d8@syzkaller.appspotmail.com ------------[ cut here ]------------ Dropping previously announced user features WARNING: CPU: 1 PID: 3616 at net/openvswitch/datapath.c:1619 ovs_dp_reset_user_features net/openvswitch/datapath.c:1619 [inline] WARNING: CPU: 1 PID: 3616 at net/openvswitch/datapath.c:1619 ovs_dp_cmd_new+0xdf5/0x1300 net/openvswitch/datapath.c:1822 Modules linked in: CPU: 1 PID: 3616 Comm: syz-executor259 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:ovs_dp_reset_user_features net/openvswitch/datapath.c:1619 [inline] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 net/openvswitch/datapath.c:1822 Code: 2a 0f b6 04 02 84 c0 74 04 3c 03 7e 21 c7 43 68 00 00 00 00 e9 30 fe ff ff e8 b7 fe 53 f8 48 c7 c7 00 13 21 8b e8 c7 a5 16 00 <0f> 0b eb be 4c 89 e7 e8 9f 14 a1 f8 eb d5 e8 38 14 a1 f8 e9 3f ff RSP: 0018:ffffc90003f0f4e8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8880126fa000 RCX: 0000000000000000 RDX: ffff88801e751d80 RSI: ffffffff8160f738 RDI: fffff520007e1e8f RBP: ffff888016a0ae00 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 676e6970706f7244 R12: ffff8880126fa068 R13: 0000000000000008 R14: ffff888016a0ae58 R15: ffff8880266cd880 FS: 000055555626b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000916 CR3: 00000000265ee000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:731 genl_family_rcv_msg net/netlink/genetlink.c:808 [inline] genl_rcv_msg+0x441/0x780 net/netlink/genetlink.c:825 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 genl_rcv+0x24/0x40 net/netlink/genetlink.c:836 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_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 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: 0033:0x7f9aa25fce89 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff35f65558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000000095e8 RCX: 00007f9aa25fce89 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fff35f656f8 R09: 00007fff35f656f8 R10: 00007fff35f64fd0 R11: 0000000000000246 R12: 00007fff35f6556c R13: 431bde82d7b634db R14: 0000000000000000 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches