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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS 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 B27F6C43381 for ; Sat, 2 Mar 2019 07:07:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89C462083D for ; Sat, 2 Mar 2019 07:07:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727841AbfCBHHG (ORCPT ); Sat, 2 Mar 2019 02:07:06 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:57213 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727816AbfCBHHG (ORCPT ); Sat, 2 Mar 2019 02:07:06 -0500 Received: by mail-io1-f70.google.com with SMTP id e1so111870iod.23 for ; Fri, 01 Mar 2019 23:07:05 -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=/6TMDn9PbaIuBVOxa+WMIs3Et5X5nu4Owo0Kq3pnH+0=; b=DzCJZmwiqh+v6+ja4M1uXbNXd9W41EPWg5qNJTTKsyzVH8iV6zFMBDeiWLQiHijyE2 z9VgPisPrkqHikYvL3jWlNOJ2F2gb3UALDn7xg9PhsmeCjAsILWUifo4PMLNXqEG6m0P /WTlr76zv90DgZco+Vh/8VXV0Cba+9hZ1LJk86o7IPAJjHpQrTngx8I2BK1JG1ZgRS0K sEun0HpK4rdTshOw7RA2FLRfVF/sZV0GTjnJ4rvbSqARiz6UG3CQsEa8qJTSjueadrGE o/NbyH6RwUis/1mpeo3K2lIg+c1U9IyFB0Vp8VdyA9/dsb0W9koZ+Z7AM6fmy8usf8Nc cEVA== X-Gm-Message-State: APjAAAUdrPkkOeg4l67MsJ/tUp1I0zZrnHIiWD6TVKx3R2oJpCOJP2H5 0klrF3EqdEvRKFHYcawlbR4sWI2KtPS75ya7ZaQs1E7ke+4L X-Google-Smtp-Source: APXvYqxQWEmWhnWJkzEewcFzF1Kau8vhKUv5qFBQKD9Q1adH/NhDvCN0XpOKwsAV8lWpqiR/VrSZzON6OK36TQVdj+HLsWfqB6Cc MIME-Version: 1.0 X-Received: by 2002:a02:4fda:: with SMTP id r87mr4865173jad.23.1551510424691; Fri, 01 Mar 2019 23:07:04 -0800 (PST) Date: Fri, 01 Mar 2019 23:07:04 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000baab660583172b5c@google.com> Subject: WARNING in lockdep_register_key From: syzbot To: davem@davemloft.net, jon.maloy@ericsson.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, tipc-discussion@lists.sourceforge.net, ying.xue@windriver.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes 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: c63e9e91a254 Add linux-next specific files for 20190301 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=160f18ecc00000 kernel config: https://syzkaller.appspot.com/x/.config?x=f5875f9dc6e009b2 dashboard link: https://syzkaller.appspot.com/bug?extid=072814ec793ff1946da1 compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+072814ec793ff1946da1@syzkaller.appspotmail.com WARNING: CPU: 1 PID: 12512 at kernel/locking/lockdep.c:1024 lockdep_register_key+0x10d/0x490 kernel/locking/lockdep.c:1024 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 12512 Comm: syz-executor.4 Not tainted 5.0.0-rc8-next-20190301 #1 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+0x172/0x1f0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x45 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:lockdep_register_key+0x10d/0x490 kernel/locking/lockdep.c:1024 Code: 75 23 e9 e5 01 00 00 48 89 da 48 c1 ea 03 42 80 3c 3a 00 0f 85 b1 02 00 00 48 8b 1b 48 85 db 0f 84 c7 01 00 00 4c 39 e3 75 dd <0f> 0b 48 c7 c0 f8 55 5e 89 48 ba 00 00 00 00 00 fc ff df 48 89 c1 RSP: 0000:ffff8881d7ce79a0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88809152d698 RCX: 1ffffffff12bcabf RDX: 1ffffffff146832f RSI: 0000000000000000 RDI: ffff88809f98ee3c RBP: ffff8881d7ce79d0 R08: ffffffff8a341978 R09: ffffed103af9cf29 R10: ffffed103af9cf28 R11: 0000000000000003 R12: ffff88809152d698 R13: 0000000000000e5b R14: 0000000000000286 R15: dffffc0000000000 wq_init_lockdep kernel/workqueue.c:3444 [inline] alloc_workqueue+0x427/0xe70 kernel/workqueue.c:4263 tipc_topsrv_work_start net/tipc/topsrv.c:615 [inline] tipc_topsrv_start+0x536/0xb90 net/tipc/topsrv.c:659 tipc_init_net+0x397/0x550 net/tipc/core.c:78 ops_init+0xb6/0x410 net/core/net_namespace.c:129 setup_net+0x2c5/0x730 net/core/net_namespace.c:314 copy_net_ns+0x1d9/0x340 net/core/net_namespace.c:437 create_new_namespaces+0x400/0x7b0 kernel/nsproxy.c:107 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:206 ksys_unshare+0x440/0x980 kernel/fork.c:2550 __do_sys_unshare kernel/fork.c:2618 [inline] __se_sys_unshare kernel/fork.c:2616 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:2616 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457e29 Code: ad b8 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 b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f58bcbbdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000457e29 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040000000 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f58bcbbe6d4 R13: 00000000004c6c3b R14: 00000000004dc3f8 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug is generated by a bot. 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