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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 A5F34C3F2CD for ; Mon, 23 Mar 2020 17:30:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8D0D920714 for ; Mon, 23 Mar 2020 17:30:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727753AbgCWRaW (ORCPT ); Mon, 23 Mar 2020 13:30:22 -0400 Received: from mail-io1-f70.google.com ([209.85.166.70]:45687 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726769AbgCWRaT (ORCPT ); Mon, 23 Mar 2020 13:30:19 -0400 Received: by mail-io1-f70.google.com with SMTP id h76so12425133iof.12 for ; Mon, 23 Mar 2020 10:30:17 -0700 (PDT) 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=5E378JM8LsVrD9iDrEpSw6Vzgvb0BZRqiwewTYdYXT4=; b=RFpw1FST7JAG6PaiQwAehQRVuUSKoz/lWSggAnD6KsGKEU/xMm2eFTUJsuUcQiiwHx a4GpWaf7bNcHKHP0WnC8ytsohoegJyfcyM/ML4tqVVR0ihe6dshzOeFNyllPB2UHG0re kNlffsM7shN8e+JRnTsBCFYSVZZ/mAIRdKTVUuDf8MpU6HXzp1n9rM+02WpD2Gg3iGN7 Qaap1acCufJf9Wm21LDJ7Y1pwC7M3U8dme2MxhcAGYB7YLLxt+kEIN1AjOR47UTa9Jbh d1gJxzbGz9UbKj0xoJtXK9GUrKbzMtiQIgoJF3HdcyGUevmz6nH5Dl5VRqUoJ9gqK4xF LvxA== X-Gm-Message-State: ANhLgQ1YXVLFjB6+anUgM4tWf4qNdISwWcMOLJxOSdgHdWBJDhqfkSrO MSKUuul1WqauMP8J41lpoPqXEhG5Kcfg9NwFDmJZAn++Nt37 X-Google-Smtp-Source: ADFU+vufIfdNltTiaPeRMLFy9hvk6mV5Ra1g//arujxWNB4RNQDkIyxTiKIYNaxIzlzuYxVKf3Ogb5H/GCrOGuLKoY+WML8dnSKq MIME-Version: 1.0 X-Received: by 2002:a5d:958f:: with SMTP id a15mr19833391ioo.170.1584984617398; Mon, 23 Mar 2020 10:30:17 -0700 (PDT) Date: Mon, 23 Mar 2020 10:30:17 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000183b7e05a188fd79@google.com> Subject: WARNING: ODEBUG bug in __init_work From: syzbot To: davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 770fbb32 Add linux-next specific files for 20200228 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17625e75e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=576314276bce4ad5 dashboard link: https://syzkaller.appspot.com/bug?extid=5470940d8c65601e282f compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=109c2b19e00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+5470940d8c65601e282f@syzkaller.appspotmail.com ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: work_struct hint: route4_delete_filter_work+0x0/0x20 net/sched/cls_route.c:256 WARNING: CPU: 0 PID: 9602 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 lib/debugobjects.c:485 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 9602 Comm: syz-executor.3 Not tainted 5.6.0-rc3-next-20200228-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x188/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x35 kernel/panic.c:582 report_bug+0x27b/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:175 [inline] fixup_bug arch/x86/kernel/traps.c:170 [inline] do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:485 Code: dd 00 25 72 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 00 25 72 88 48 c7 c7 60 1a 72 88 e8 48 06 b1 fd <0f> 0b 83 05 bb f8 f2 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffffc90002497198 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff815c4e91 RDI: fffff52000492e25 RBP: 0000000000000001 R08: ffff88808b212080 R09: ffffed1015cc6661 R10: ffffed1015cc6660 R11: ffff8880ae633307 R12: ffffffff8997bf00 R13: ffffffff814ac650 R14: ffffffff8c7fc668 R15: 1ffff92000492e4b __debug_object_init+0x572/0xe20 lib/debugobjects.c:568 __init_work+0x48/0x50 kernel/workqueue.c:502 tcf_queue_work+0x19/0xf0 net/sched/cls_api.c:205 route4_change+0xe8e/0x2250 net/sched/cls_route.c:550 tc_new_tfilter+0xa59/0x20b0 net/sched/cls_api.c:2103 rtnetlink_rcv_msg+0x810/0xad0 net/core/rtnetlink.c:5431 netlink_rcv_skb+0x15a/0x410 net/netlink/af_netlink.c:2478 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline] netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6b9/0x7d0 net/socket.c:2343 ___sys_sendmsg+0x100/0x170 net/socket.c:2397 __sys_sendmsg+0xec/0x1b0 net/socket.c:2430 do_syscall_64+0xf6/0x790 arch/x86/entry/common.c:295 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fbb327afc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbb327b06d4 RCX: 000000000045c849 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 000000000076bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009f9 R14: 00000000004ccb11 R15: 000000000076bfac Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches