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=unavailable 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 10F2BC433DB for ; Mon, 8 Mar 2021 02:31:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA0DC65149 for ; Mon, 8 Mar 2021 02:31:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233597AbhCHCap (ORCPT ); Sun, 7 Mar 2021 21:30:45 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:55219 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231136AbhCHCaj (ORCPT ); Sun, 7 Mar 2021 21:30:39 -0500 Received: by mail-il1-f199.google.com with SMTP id w8so6317546ilg.21 for ; Sun, 07 Mar 2021 18:30:28 -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=bxTzn20sw0YqGPnteZcFUQodhglpJ7rCkRvt/JGA98w=; b=V+d1gBoWPVcpRdl4qsrNXb4OTm58LSzIQEtq4ONmr+S+Hagf6G6aqKPbtJTwvAdCw8 Wic9Wp75Kw9iQzhNStzsBvB7TunPiNEgGQy7Ywf5xqp0xQ3qKQthi3FcrMD05fbFEjei YvFmr5IFW3GoCBJpM82G+k+57StWDkRUNgQTF7lrgztvnIq/eVF7Ja4soHDlH4adiYjY qXCyAx4YtM2KPplDRTiS3XbLZJcWtrMSEsyDYKlLWkt71aCiOY069DFknAMjtvfHJGCq JaSKVcO59O4QoSnsqrTnvFPMeA19UgL4684VS+py3BGXUQ7TldTDqX7tOWs56UgKYdch yxHg== X-Gm-Message-State: AOAM531rohtvgv++WTYr8+uAAKO6q0gSg5NejsSPj3iDFmFO6WpCg/sb K98ZVjP/J2LdttmLy2v30mGcnW83VotnlxKet+koVbx/l/q2 X-Google-Smtp-Source: ABdhPJzr6F69xiYl85TA2EDzpPaEUsnYs2z1zwMY6xt6rXuRW0WGjtsXN11doPLldAFW/KoiyC1CvLZbQtSFkHJAaen3IMTUnSxu MIME-Version: 1.0 X-Received: by 2002:a02:971a:: with SMTP id x26mr20900603jai.61.1615170627920; Sun, 07 Mar 2021 18:30:27 -0800 (PST) Date: Sun, 07 Mar 2021 18:30:27 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000087674b05bcfd37a0@google.com> Subject: [syzbot] WARNING: ODEBUG bug in net_dm_cmd_trace From: syzbot To: davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, nhorman@tuxdriver.com, syzkaller-bugs@googlegroups.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: d310ec03 Merge tag 'perf-core-2021-02-17' of git://git.ker.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=108adb32d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=2b8307379601586a dashboard link: https://syzkaller.appspot.com/bug?extid=779559d6503f3a56213d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12ad095cd00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+779559d6503f3a56213d@syzkaller.appspotmail.com ------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: sched_send_work+0x0/0x60 include/linux/list.h:135 WARNING: CPU: 1 PID: 8649 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 1 PID: 8649 Comm: syz-executor.0 Not tainted 5.11.0-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 40 4c bf 89 4c 89 ee 48 c7 c7 40 40 bf 89 e8 64 79 fa 04 <0f> 0b 83 05 15 e0 ff 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc900021df438 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: ffff888020cd1bc0 RSI: ffffffff815b4c85 RDI: fffff5200043be79 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff815ade9e R11: 0000000000000000 R12: ffffffff896d8ea0 R13: ffffffff89bf4540 R14: ffffffff8161d660 R15: ffffffff900042b0 FS: 00007f73bb69e700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7a4370f470 CR3: 000000001334a000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_object_init+0x524/0xd10 lib/debugobjects.c:588 debug_timer_init kernel/time/timer.c:722 [inline] debug_init kernel/time/timer.c:770 [inline] init_timer_key+0x2d/0x340 kernel/time/timer.c:814 net_dm_trace_on_set net/core/drop_monitor.c:1111 [inline] set_all_monitor_traces net/core/drop_monitor.c:1188 [inline] net_dm_monitor_start net/core/drop_monitor.c:1295 [inline] net_dm_cmd_trace+0x720/0x1220 net/core/drop_monitor.c:1339 genl_family_rcv_msg_doit+0x228/0x320 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x328/0x580 net/netlink/genetlink.c:800 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:672 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2348 ___sys_sendmsg+0xf3/0x170 net/socket.c:2402 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2435 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465ef9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f73bb69e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465ef9 RDX: 0000000000000800 RSI: 0000000020000500 RDI: 0000000000000005 RBP: 00007f73bb69e1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdb1c8cb0f R14: 00007f73bb69e300 R15: 0000000000022000 --- 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