Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp3951305ybc; Tue, 26 Nov 2019 01:09:32 -0800 (PST) X-Received: by 2002:a50:9555:: with SMTP id v21mr24046366eda.90.1574759342958; Tue, 26 Nov 2019 01:09:02 -0800 (PST) X-Google-Smtp-Source: APXvYqwrCDLTMNseDy35f7JoZs5ioQtu2cpraFaj0OH3/kVNFzKGFkdyMItuILU66Dab8ofgBAVA X-Received: by 2002:a50:9555:: with SMTP id v21mr24046221eda.90.1574759341915; Tue, 26 Nov 2019 01:09:01 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574759341; cv=none; d=google.com; s=arc-20160816; b=KB3jYf2JE1rd2IXbaF65p4uZqicy8rT6TUvlV0oobScil5fEoxo7Xo7NeYZwBf00jv ehwYm3XnLHyVRZVH7K5reGw+oKZMrkpadkdH04r7AlAAzCdmqR3sGsphU809EvXNw7nh VO6EGZ6ebiC726bfGHuk4dCjThoEZ7H8SbUMY6HuPqQo21Nly+TVhgNaTjm33N+r5KFZ d/Nmp90D7DeQajqGLatmM3fJ9jytU3mpZ8X7RCgOIPXFNBTqlFEb32eKiNQaBwUKK3Lu RO6qZiGn8Zl6xko0cVWnwjbN8PwgfND4etC6d5zjm5CrkOvSoSJ8T3QcNyGhSc0IQpA/ 9nbQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:date :mime-version; bh=OFHVSlfS2yDF527fhuEXlXOXPa5EQL6IyHToLAgPneA=; b=LUQ2BpzSfT4ONaD63oa3rdB4i0Ixl3TlhT8jSm4/lRTgbGxDBESUq0ZSjL2szwD6jC b2Fb+9PouwqUVlxyVfm8ryCvufjTDw81n2g+9wF5BA1ugrxBgdDBNjb8DVtE1ZYXdDPP 3q5k5jm760lIcKwRDyppVt2GQ3nJKV//eMvLDwj/bt/NQgk2Cfyci52MH6HuackWBC12 OF6zcKkcZ0Z9eiYefW39tnl0lv1hKeyW1k4n/J5DBomQnhHv10JYqIEa4/wCjA1q02ey pfARXXhWQ+Y0xDewZP95u2wTI4Zd7WGa0DZi4Btqt7CY8tOq/K7Syf8h9KuLAp4fZG7V wt0A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d10si8346997edn.266.2019.11.26.01.08.37; Tue, 26 Nov 2019 01:09:01 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727332AbfKZJFI (ORCPT + 99 others); Tue, 26 Nov 2019 04:05:08 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:41854 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726937AbfKZJFI (ORCPT ); Tue, 26 Nov 2019 04:05:08 -0500 Received: by mail-il1-f197.google.com with SMTP id o185so15971501ila.8 for ; Tue, 26 Nov 2019 01:05:08 -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=OFHVSlfS2yDF527fhuEXlXOXPa5EQL6IyHToLAgPneA=; b=IMAwq9mtf4LTa/FU+Tshpl+MMaTcaeyP7rEFBCrVPnV4eplsfba2/HPC7OTn+pFJxm rOEex1r68AMvpXTKY/iNkxCr/nUgEmw6O6gXZvHx0OCfcfUB65ZzRVuzVrM9L//ckoma E01ppDCWTFDde+kGTiboPI668mAakigXltapKWLFfjj23SXELs9DRnnqsQXElU6ifVgJ b8geByAHFBQlL6Q0lgucMY61B7uU8n0LCx87oJGjIX2bnDpKerZJ701IdGZe7fwDx44M 83+rILssf+8nEu637cVR23nnEFsoHQ4yZIgTBGLp3RJXih4hPdyaw/FkgGnsOL8zxxfR 6qAg== X-Gm-Message-State: APjAAAVk/2F+4A3whD8CHTdr9A5GNlX88w2tKWvi+zz41KHmzTqLj7SO nfAtRqZfqyxFtyzS5Y3E5PC75iDlDI0ciYoO/m8Fe5FldrOZ MIME-Version: 1.0 X-Received: by 2002:a92:1d52:: with SMTP id d79mr36776177ild.185.1574759107701; Tue, 26 Nov 2019 01:05:07 -0800 (PST) Date: Tue, 26 Nov 2019 01:05:07 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000038b5c205983c2df4@google.com> Subject: WARNING in mark_lock (3) From: syzbot To: davem@davemloft.net, jhs@mojatatu.com, jiri@resnulli.us, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 81429eb8 Merge tag 'arm64-fixes' of git://git.kernel.org/p.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=171edaf2e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=56f109a734a2de32 dashboard link: https://syzkaller.appspot.com/bug?extid=a229d8d995b74f8c4b6c compiler: clang version 9.0.0 (/home/glider/llvm/clang 80fee25776c2fb61e74c1ecb1a523375c2500b69) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13ee1f3ce00000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+a229d8d995b74f8c4b6c@syzkaller.appspotmail.com ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 8024 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:167 [inline] WARNING: CPU: 0 PID: 8024 at kernel/locking/lockdep.c:167 mark_lock+0x8d2/0x1650 kernel/locking/lockdep.c:3643 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8024 Comm: udevd Not tainted 5.4.0-rc8-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+0x1fb/0x318 lib/dump_stack.c:118 panic+0x264/0x7a9 kernel/panic.c:221 __warn+0x20e/0x210 kernel/panic.c:582 report_bug+0x1b6/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:179 [inline] do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:272 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline] RIP: 0010:mark_lock+0x8d2/0x1650 kernel/locking/lockdep.c:3643 Code: 0f 85 af 02 00 00 83 3d 8f 7a 65 07 00 0f 85 7a f8 ff ff 31 db 48 c7 c7 24 71 36 88 48 c7 c6 3c 2f 3b 88 31 c0 e8 be f4 ec ff <0f> 0b e9 6e f8 ff ff 4c 69 f3 b0 00 00 00 48 c7 c0 d0 f4 1c 89 4c RSP: 0018:ffff8880aea09520 EFLAGS: 00010046 RAX: 7cc85c2266612300 RBX: 0000000000000000 RCX: ffff88809907a480 RDX: 0000000080000502 RSI: 0000000000000001 RDI: ffffffff815cbf54 RBP: ffff8880aea09620 R08: ffffffff8178fcea R09: fffffbfff111a493 R10: fffffbfff111a493 R11: 0000000000000000 R12: 1ffff1101320f5c5 R13: dffffc0000000000 R14: 0000000000000004 R15: 0000000000000010 mark_usage kernel/locking/lockdep.c:3566 [inline] __lock_acquire+0x5a0/0x1be0 kernel/locking/lockdep.c:3909 lock_acquire+0x158/0x250 kernel/locking/lockdep.c:4487 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2d/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] __netif_tx_lock include/linux/netdevice.h:3897 [inline] sch_direct_xmit+0x154/0xd50 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3400 [inline] __dev_queue_xmit+0x1bf7/0x3010 net/core/dev.c:3761 dev_queue_xmit+0x17/0x20 net/core/dev.c:3825 neigh_hh_output include/net/neighbour.h:500 [inline] neigh_output include/net/neighbour.h:509 [inline] ip6_finish_output2+0xff2/0x13b0 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x693/0x8c0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x52/0x1e0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0x26f/0x370 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] mld_sendpack+0x770/0xb80 net/ipv6/mcast.c:1682 mld_send_initial_cr+0x24c/0x2c0 net/ipv6/mcast.c:2099 mld_dad_timer_expire+0x2e/0x350 net/ipv6/mcast.c:2118 call_timer_fn+0x95/0x170 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers+0x7b6/0x990 kernel/time/timer.c:1773 run_timer_softirq+0x4a/0x90 kernel/time/timer.c:1786 __do_softirq+0x333/0x7c4 arch/x86/include/asm/paravirt.h:766 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x227/0x230 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x113/0x280 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 RIP: 0010:update_stack_state+0x3c/0x530 arch/x86/kernel/unwind_frame.c:196 Code: 00 00 49 89 f5 49 89 ff 65 48 8b 04 25 28 00 00 00 48 89 45 d0 48 bb 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 48 89 45 a8 <8a> 04 18 84 c0 0f 85 71 03 00 00 41 8b 07 89 45 a4 4d 8d 67 58 4c RSP: 0018:ffff888097ae7520 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 RAX: 1ffff11012f5ced0 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000009 RSI: ffff888097ae7f48 RDI: ffff888097ae7680 RBP: ffff888097ae75c8 R08: ffffffff81629dbd R09: ffff888097ae7680 R10: ffffed1012f5cedc R11: 0000000000000000 R12: ffff888097ae7f48 R13: ffff888097ae7f48 R14: ffff888097ae76d0 R15: ffff888097ae7680 unwind_next_frame+0x3f1/0x7a0 arch/x86/kernel/unwind_frame.c:311 arch_stack_walk+0xb4/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xb6/0x150 kernel/stacktrace.c:123 save_stack mm/kasan/common.c:69 [inline] set_track mm/kasan/common.c:77 [inline] __kasan_kmalloc+0x11c/0x1b0 mm/kasan/common.c:510 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:524 __do_kmalloc_node mm/slab.c:3615 [inline] __kmalloc_node_track_caller+0x4d/0x60 mm/slab.c:3629 __kmalloc_reserve net/core/skbuff.c:141 [inline] __alloc_skb+0xe8/0x500 net/core/skbuff.c:209 alloc_skb include/linux/skbuff.h:1049 [inline] alloc_skb_with_frags+0xb6/0x600 net/core/skbuff.c:5662 sock_alloc_send_pskb+0x7cc/0xbc0 net/core/sock.c:2244 unix_dgram_sendmsg+0x612/0x2460 net/unix/af_unix.c:1625 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg net/socket.c:657 [inline] __sys_sendto+0x442/0x5e0 net/socket.c:1952 __do_sys_sendto net/socket.c:1964 [inline] __se_sys_sendto net/socket.c:1960 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:1960 do_syscall_64+0xf7/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f31c173d282 Code: 48 83 c8 ff eb ea 90 90 53 48 83 ec 20 8b 05 81 d3 2a 00 85 c0 75 21 45 31 c9 45 31 c0 4c 63 d1 48 63 ff b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 61 48 83 c4 20 5b c3 48 89 54 24 08 89 0c 24 RSP: 002b:00007ffdbd60f5e0 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 000000000063a3c0 RCX: 00007f31c173d282 RDX: 0000000000000008 RSI: 00007ffdbd60f630 RDI: 0000000000000009 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000063d8f0 R14: 000000000063a250 R15: 000000000000000b 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