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 X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A55A3C4361B for ; Mon, 7 Dec 2020 12:52:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5F74C23406 for ; Mon, 7 Dec 2020 12:52:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726206AbgLGMwv (ORCPT ); Mon, 7 Dec 2020 07:52:51 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:44761 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726102AbgLGMwv (ORCPT ); Mon, 7 Dec 2020 07:52:51 -0500 Received: by mail-il1-f197.google.com with SMTP id c76so2660475ilf.11 for ; Mon, 07 Dec 2020 04:52:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=E1loxOO0ot1jw4modLmt1T/jHFaPvObmHgTybF9H1O8=; b=kLLeC7cnjLnCHwkbOUKu03CzHwXjUisPyu6Gd6jwjwAGnYjglO926EOI9nUx9cDg+u uTtUYil/1WQnVNEcelmmSjl8DXUm0vKd5EAdhbFbgscryt0kShZOTG+XxnKWXX/ghJTF kL8Kdd+3E+J9iNOhnofxQ0IgYTt/YSWJxORou13ZFR9fkTSj6UG7vyvgh4D3Wq67qlFW J7nsywYQiGk9dLFuFGUEcpdA8w9I9r+/vyZ6PN+CDZNCagC7cWT+IgsnFRQEXT0jIhsl 8KysmokBIAhM6Lcf5oqtSDmKooz0HfO1tZelgukevUVIj8NylVcSsPRZeqc2luNboF+V ruMg== X-Gm-Message-State: AOAM533Gt00fxYQi9KcdTrAQYY1U8t3OQtW2xSHSFJfBF5N5fLUsnH92 un/hV4ChCFGcKxWlvzIDplsPe3wDEnPfIk3AV4gm+yFFs2xU X-Google-Smtp-Source: ABdhPJzgbjrYsA9M28vInM9sZmJICKCpgg+U3eqlZK16cZLAzTsEpgfDKkEikcz7Baou5i5y6TlrlNMWM18fz5TNFwW2mpQ/N/KJ MIME-Version: 1.0 X-Received: by 2002:a05:6e02:100c:: with SMTP id n12mr12955778ilj.4.1607345530518; Mon, 07 Dec 2020 04:52:10 -0800 (PST) Date: Mon, 07 Dec 2020 04:52:10 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000060c28405b5df4b1b@google.com> Subject: WARNING: ODEBUG bug in slave_kobj_release From: syzbot To: andy@greyhouse.net, davem@davemloft.net, j.vosburgh@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, vfalico@gmail.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 34816d20 Merge tag 'gfs2-v5.10-rc5-fixes' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=153f779d500000 kernel config: https://syzkaller.appspot.com/x/.config?x=e49433cfed49b7d9 dashboard link: https://syzkaller.appspot.com/bug?extid=7bce4c2f7e1768ec3fe0 compiler: gcc (GCC) 10.1.0-syz 20200507 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+7bce4c2f7e1768ec3fe0@syzkaller.appspotmail.com kobject_add_internal failed for bonding_slave (error: -12 parent: veth213) ------------[ cut here ]------------ ODEBUG: assert_init not available (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 1 PID: 22707 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 1 PID: 22707 Comm: syz-executor.4 Not tainted 5.10.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 20 a2 9d 89 4c 89 ee 48 c7 c7 20 96 9d 89 e8 1e 0e f2 04 <0f> 0b 83 05 a5 87 32 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc9000e37e9a0 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8158c855 RDI: fffff52001c6fd26 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880b9f2011b R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff894d3be0 R13: ffffffff899d9ca0 R14: ffffffff815f15f0 R15: 1ffff92001c6fd3f FS: 00007fc5d258d700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000749138 CR3: 0000000052e81000 CR4: 0000000000350ee0 Call Trace: debug_object_assert_init lib/debugobjects.c:890 [inline] debug_object_assert_init+0x1f4/0x2e0 lib/debugobjects.c:861 debug_timer_assert_init kernel/time/timer.c:737 [inline] debug_assert_init kernel/time/timer.c:782 [inline] del_timer+0x6d/0x110 kernel/time/timer.c:1202 try_to_grab_pending+0x6d/0xd0 kernel/workqueue.c:1252 __cancel_work_timer+0xa6/0x520 kernel/workqueue.c:3095 slave_kobj_release+0x48/0xe0 drivers/net/bonding/bond_main.c:1468 kobject_cleanup lib/kobject.c:705 [inline] kobject_release lib/kobject.c:736 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x1c8/0x540 lib/kobject.c:753 bond_kobj_init drivers/net/bonding/bond_main.c:1489 [inline] bond_alloc_slave drivers/net/bonding/bond_main.c:1506 [inline] bond_enslave+0x2488/0x4bf0 drivers/net/bonding/bond_main.c:1708 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2517 do_setlink+0x911/0x3a70 net/core/rtnetlink.c:2713 __rtnl_newlink+0xc1c/0x1740 net/core/rtnetlink.c:3374 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3500 rtnetlink_rcv_msg+0x44e/0xad0 net/core/rtnetlink.c:5562 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45deb9 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc5d258cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e740 RCX: 000000000045deb9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00007fc5d258cca0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 R13: 00007ffdcf6b003f R14: 00007fc5d258d9c0 R15: 000000000119bf2c --- 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.