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[209.132.180.67]) by mx.google.com with ESMTP id i46si11426306eda.88.2019.11.27.11.31.14; Wed, 27 Nov 2019 11:31:39 -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 S1727568AbfK0TaJ (ORCPT + 99 others); Wed, 27 Nov 2019 14:30:09 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:35565 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727319AbfK0TaI (ORCPT ); Wed, 27 Nov 2019 14:30:08 -0500 Received: by mail-io1-f70.google.com with SMTP id x10so11617119iob.2 for ; Wed, 27 Nov 2019 11:30:08 -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:in-reply-to:message-id:subject :from:to; bh=bG2RrafpjJ6FDsfKN8Y+xO+P47qZbFGyCGPl+U7++Xs=; b=Wvc5VMVoGtryPA3cbEwg1NkCw87jtVW+QhKjtYyetf/Ty38JsNn1CjfmmqiX79WlX4 3Rr43I/4BrVsAUJnFrQ74ln2hm8NohUSjZIvkUB/a5VT+TrIrVrEUjUuEh17DVqiGeUT ToGFpUxNJCoXxpEoj7sIbU5A73bneRBcMxnXUhhDRelLGEiOroY2YQbBM+H0LF4n14r9 ilS5Pqlw9+mG/Rhrg2FK6URm1vCbnq+hPgafKLhGyMdssjFPFKixsiSOqrIdvT/84Bix PgkU/3DUlXYQZI9F0VptnpYKpOIk/FTTmxns55QypDb3kzhTZMxeSH2nVx/71kz8PZ31 JuHQ== X-Gm-Message-State: APjAAAXQ8NSB55lczNM+nAt4Ev0dCzx0IT3O3GTt00akUcIl2hIHewsl fEfs84AgoCFiSzTN0msQ4zad39ETyJze9Pcm9oOSh1CLCZZ1 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:60f:: with SMTP id t15mr21705024ils.277.1574883007785; Wed, 27 Nov 2019 11:30:07 -0800 (PST) Date: Wed, 27 Nov 2019 11:30:07 -0800 In-Reply-To: <00000000000038b5c205983c2df4@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003dfed805985906b6@google.com> Subject: Re: 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 syzbot has found a reproducer for the following crash on: HEAD commit: 89d57ddd Merge tag 'media/v5.5-1' of git://git.kernel.org/.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=117804dae00000 kernel config: https://syzkaller.appspot.com/x/.config?x=595c15c951695d1b dashboard link: https://syzkaller.appspot.com/bug?extid=a229d8d995b74f8c4b6c compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1511af5ee00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16e0f17ae00000 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: 0 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:167 [inline] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:156 [inline] WARNING: CPU: 0 PID: 0 at kernel/locking/lockdep.c:167 mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-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+0x197/0x210 lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:221 __warn.cold+0x2f/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:156 [inline] RIP: 0010:mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643 Code: d0 7c 08 84 d2 0f 85 a8 0e 00 00 44 8b 1d ed e6 8d 08 45 85 db 75 b6 48 c7 c6 00 19 cc 87 48 c7 c7 40 19 cc 87 e8 e4 2d eb ff <0f> 0b 31 db e9 aa fe ff ff 48 c7 c7 a0 08 d0 8a e8 f0 fb 56 00 e9 RSP: 0018:ffff8880ae809308 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815dc196 RDI: ffffed1015d01253 RBP: ffff8880ae809358 R08: ffffffff8907a1c0 R09: fffffbfff1234161 R10: fffffbfff1234160 R11: ffffffff891a0b03 R12: 0000000000000004 R13: ffffffff8907ab48 R14: 0000000000000001 R15: 00000000000425c6 mark_usage kernel/locking/lockdep.c:3566 [inline] __lock_acquire+0x1e8e/0x4a00 kernel/locking/lockdep.c:3909 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] __netif_tx_lock include/linux/netdevice.h:3925 [inline] sch_direct_xmit+0x2e0/0xd30 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3621 [inline] __dev_queue_xmit+0x270a/0x35c0 net/core/dev.c:3982 dev_queue_xmit+0x18/0x20 net/core/dev.c:4046 neigh_resolve_output net/core/neighbour.c:1490 [inline] neigh_resolve_output+0x5c4/0x990 net/core/neighbour.c:1470 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x109a/0x25c0 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x25e/0x880 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] mld_sendpack+0x9c2/0xed0 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x454/0x950 net/ipv6/mcast.c:2477 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 58 25 4f fa eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 24 c9 66 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 14 c9 66 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 5e 42 00 fa e8 b9 RSP: 0018:ffffffff89007ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1226656 RBX: ffffffff8907a1c0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8907aa54 RBP: ffffffff89007d18 R08: ffffffff8907a1c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff89e789c0 R14: 0000000000000000 R15: 0000000000000000 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690 default_idle_call+0x84/0xb0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x3c8/0x6e0 kernel/sched/idle.c:269 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:361 rest_init+0x23b/0x371 init/main.c:451 arch_call_rest_init+0xe/0x1b start_kernel+0x904/0x943 init/main.c:784 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:1419 mutex_trylock+0x279/0x2f0 kernel/locking/mutex.c:1427 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mutex_trylock+0x279/0x2f0 kernel/locking/mutex.c:1419 Code: c9 41 b8 01 00 00 00 31 c9 ba 01 00 00 00 31 f6 e8 0c 5e f9 f9 58 48 8d 65 d8 b8 01 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 0c fe ff ff 48 c7 c7 a0 08 d0 8a 48 89 4d d0 e8 70 e7 4f RSP: 0018:ffff8880ae808ec8 EFLAGS: 00010006 RAX: 0000000000000504 RBX: 1ffff11015d011e1 RCX: 0000000000000004 RDX: 0000000000000100 RSI: ffffffff816b4095 RDI: ffffffff891c9b60 RBP: ffff8880ae808ef8 R08: 0000000000000001 R09: fffffbfff12346bd R10: fffffbfff12346bc R11: ffffffff891a35e3 R12: ffffffff8ad008a0 R13: 0000000000000000 R14: ffffffff8159d400 R15: ffffffff891c9b60 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 00000000a5da3000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __crash_kexec+0x91/0x200 kernel/kexec_core.c:948 panic+0x308/0x75c kernel/panic.c:241 __warn.cold+0x2f/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:156 [inline] RIP: 0010:mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643 Code: d0 7c 08 84 d2 0f 85 a8 0e 00 00 44 8b 1d ed e6 8d 08 45 85 db 75 b6 48 c7 c6 00 19 cc 87 48 c7 c7 40 19 cc 87 e8 e4 2d eb ff <0f> 0b 31 db e9 aa fe ff ff 48 c7 c7 a0 08 d0 8a e8 f0 fb 56 00 e9 RSP: 0018:ffff8880ae809308 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815dc196 RDI: ffffed1015d01253 RBP: ffff8880ae809358 R08: ffffffff8907a1c0 R09: fffffbfff1234161 R10: fffffbfff1234160 R11: ffffffff891a0b03 R12: 0000000000000004 R13: ffffffff8907ab48 R14: 0000000000000001 R15: 00000000000425c6 mark_usage kernel/locking/lockdep.c:3566 [inline] __lock_acquire+0x1e8e/0x4a00 kernel/locking/lockdep.c:3909 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] __netif_tx_lock include/linux/netdevice.h:3925 [inline] sch_direct_xmit+0x2e0/0xd30 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3621 [inline] __dev_queue_xmit+0x270a/0x35c0 net/core/dev.c:3982 dev_queue_xmit+0x18/0x20 net/core/dev.c:4046 neigh_resolve_output net/core/neighbour.c:1490 [inline] neigh_resolve_output+0x5c4/0x990 net/core/neighbour.c:1470 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x109a/0x25c0 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x25e/0x880 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] mld_sendpack+0x9c2/0xed0 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x454/0x950 net/ipv6/mcast.c:2477 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 58 25 4f fa eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 24 c9 66 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 14 c9 66 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 5e 42 00 fa e8 b9 RSP: 0018:ffffffff89007ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1226656 RBX: ffffffff8907a1c0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8907aa54 RBP: ffffffff89007d18 R08: ffffffff8907a1c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff89e789c0 R14: 0000000000000000 R15: 0000000000000000 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690 default_idle_call+0x84/0xb0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x3c8/0x6e0 kernel/sched/idle.c:269 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:361 rest_init+0x23b/0x371 init/main.c:451 arch_call_rest_init+0xe/0x1b start_kernel+0x904/0x943 init/main.c:784 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 irq event stamp: 169380 hardirqs last enabled at (169380): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (169380): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (169380): [] read_seqbegin include/linux/seqlock.h:433 [inline] hardirqs last enabled at (169380): [] neigh_resolve_output net/core/neighbour.c:1484 [inline] hardirqs last enabled at (169380): [] neigh_resolve_output+0x3e8/0x990 net/core/neighbour.c:1470 hardirqs last disabled at (169379): [] seqcount_lockdep_reader_access include/linux/seqlock.h:80 [inline] hardirqs last disabled at (169379): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last disabled at (169379): [] read_seqbegin include/linux/seqlock.h:433 [inline] hardirqs last disabled at (169379): [] neigh_resolve_output net/core/neighbour.c:1484 [inline] hardirqs last disabled at (169379): [] neigh_resolve_output+0x390/0x990 net/core/neighbour.c:1470 softirqs last enabled at (169342): [] _local_bh_enable+0x1c/0x30 kernel/softirq.c:162 softirqs last disabled at (169343): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (169343): [] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 ---[ end trace 2daec1acd3cd1e7d ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:737 mutex_unlock+0x1d/0x30 kernel/locking/mutex.c:744 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mutex_unlock+0x1d/0x30 kernel/locking/mutex.c:737 Code: 4c 89 ff e8 c5 f2 4f fa e9 8c fb ff ff 55 65 8b 05 00 40 a1 78 a9 00 ff 1f 00 48 89 e5 75 0b 48 8b 75 08 e8 45 f9 ff ff 5d c3 <0f> 0b 48 8b 75 08 e8 38 f9 ff ff 5d c3 66 0f 1f 44 00 00 48 b8 00 RSP: 0018:ffff8880ae808ef8 EFLAGS: 00010006 RAX: 0000000000000504 RBX: 1ffff11015d011e1 RCX: ffffffff816b40ad RDX: 0000000000000100 RSI: ffffffff816b410f RDI: ffffffff891c9b60 RBP: ffff8880ae808ef8 R08: ffffffff8907a1c0 R09: 0000000000000000 R10: fffffbfff123936c R11: ffffffff891c9b67 R12: 0000000000000001 R13: 0000000000000000 R14: ffffffff8159d400 R15: 00000000000000a7 FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 00000000a5da3000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __crash_kexec+0x10b/0x200 kernel/kexec_core.c:957 panic+0x308/0x75c kernel/panic.c:241 __warn.cold+0x2f/0x3e kernel/panic.c:582 report_bug+0x289/0x300 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] fixup_bug arch/x86/kernel/traps.c:169 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027 RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:156 [inline] RIP: 0010:mark_lock+0x22b/0x1220 kernel/locking/lockdep.c:3643 Code: d0 7c 08 84 d2 0f 85 a8 0e 00 00 44 8b 1d ed e6 8d 08 45 85 db 75 b6 48 c7 c6 00 19 cc 87 48 c7 c7 40 19 cc 87 e8 e4 2d eb ff <0f> 0b 31 db e9 aa fe ff ff 48 c7 c7 a0 08 d0 8a e8 f0 fb 56 00 e9 RSP: 0018:ffff8880ae809308 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815dc196 RDI: ffffed1015d01253 RBP: ffff8880ae809358 R08: ffffffff8907a1c0 R09: fffffbfff1234161 R10: fffffbfff1234160 R11: ffffffff891a0b03 R12: 0000000000000004 R13: ffffffff8907ab48 R14: 0000000000000001 R15: 00000000000425c6 mark_usage kernel/locking/lockdep.c:3566 [inline] __lock_acquire+0x1e8e/0x4a00 kernel/locking/lockdep.c:3909 lock_acquire+0x190/0x410 kernel/locking/lockdep.c:4485 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:338 [inline] __netif_tx_lock include/linux/netdevice.h:3925 [inline] sch_direct_xmit+0x2e0/0xd30 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3621 [inline] __dev_queue_xmit+0x270a/0x35c0 net/core/dev.c:3982 dev_queue_xmit+0x18/0x20 net/core/dev.c:4046 neigh_resolve_output net/core/neighbour.c:1490 [inline] neigh_resolve_output+0x5c4/0x990 net/core/neighbour.c:1470 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x109a/0x25c0 net/ipv6/ip6_output.c:116 __ip6_finish_output+0x444/0xaa0 net/ipv6/ip6_output.c:142 ip6_finish_output+0x38/0x1f0 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x25e/0x880 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] mld_sendpack+0x9c2/0xed0 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x454/0x950 net/ipv6/mcast.c:2477 call_timer_fn+0x1ac/0x780 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0x6c3/0x1790 kernel/time/timer.c:1786 __do_softirq+0x262/0x98c kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1a3/0x610 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 58 25 4f fa eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 24 c9 66 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 14 c9 66 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 5e 42 00 fa e8 b9 RSP: 0018:ffffffff89007ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1226656 RBX: ffffffff8907a1c0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8907aa54 RBP: ffffffff89007d18 R08: ffffffff8907a1c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffffff89e789c0 R14: 0000000000000000 R15: 0000000000000000 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690 default_idle_call+0x84/0xb0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x3c8/0x6e0 kernel/sched/idle.c:269 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:361 rest_init+0x23b/0x371 init/main.c:451 arch_call_rest_init+0xe/0x1b start_kernel+0x904/0x943 init/main.c:784 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 irq event stamp: 169380 hardirqs last enabled at (169380): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (169380): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (169380): [] read_seqbegin include/linux/seqlock.h:433 [inline] hardirqs last enabled at (169380): [] neigh_resolve_output net/core/neighbour.c:1484 [inline] hardirqs last enabled at (169380): [] neigh_resolve_output+0x3e8/0x990 net/core/neighbour.c:1470 hardirqs last disabled at (169379): [] seqcount_lockdep_reader_access include/linux/seqlock.h:80 [inline] hardirqs last disabled at (169379): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last disabled at (169379): [] read_seqbegin include/linux/seqlock.h:433 [inline] hardirqs last disabled at (169379): [] neigh_resolve_output net/core/neighbour.c:1484 [inline] hardirqs last disabled at (169379): [] neigh_resolve_output+0x390/0x990 net/core/neighbour.c:1470 softirqs last enabled at (169342): [] _local_bh_enable+0x1c/0x30 kernel/softirq.c:162 softirqs last disabled at (169343): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (169343): [] irq_exit+0x19b/0x1e0 kernel/softirq.c:413 ---[ end trace 2daec1acd3cd1e7e ]--- Kernel Offset: disabled Rebooting in 86400 seconds..