------------[ 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 mark_lock+0x8d2/0x1650 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+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:174 [inline] do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:267 do_invalid_op+0x36/0x40 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:mark_lock+0x8d2/0x1650 kernel/locking/lockdep.c:3643 Code: 0f 85 af 02 00 00 83 3d 2f 9e 84 07 00 0f 85 7a f8 ff ff 31 db 48 c7 c7 14 26 57 88 48 c7 c6 e4 ec 5b 88 31 c0 e8 5e 9c ec ff <0f> 0b e9 6e f8 ff ff 4c 69 f3 b0 00 00 00 48 c7 c0 90 6c 3d 89 4c RSP: 0018:ffff8880aea09430 EFLAGS: 00010046 RAX: d995e54570463400 RBX: 0000000000000000 RCX: ffffffff88a75a00 RDX: 0000000000000503 RSI: 0000000000000001 RDI: ffffffff815ded94 RBP: ffff8880aea09530 R08: ffffffff817a5e6a R09: fffffbfff115a51d R10: fffffbfff115a51d R11: 0000000000000000 R12: 1ffffffff114ec75 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:4485 __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:3929 [inline] sch_direct_xmit+0x154/0xd50 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3621 [inline] __dev_queue_xmit+0x1c1b/0x2e60 net/core/dev.c:3982 dev_queue_xmit+0x17/0x20 net/core/dev.c:4046 neigh_resolve_output+0x60c/0x6b0 net/core/neighbour.c:1490 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x102c/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:296 [inline] ip6_output+0x2c2/0x3c0 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] mld_sendpack+0x770/0xb80 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x870/0xc70 net/ipv6/mcast.c:2477 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:762 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:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 22 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 04 5d 22 fa eb b0 cc cc e9 07 00 00 00 0f 00 2d 56 fb 55 00 fb f4 90 e9 07 00 00 00 0f 00 2d 46 fb 55 00 f4 c3 cc cc 55 48 89 e5 RSP: 0018:ffffffff88a07dc0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11552c8 RBX: ffffffff88a75a00 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff812bf9ea RDI: ffffffff88a76244 RBP: ffffffff88a07dc8 R08: ffffffff88a76258 R09: fffffbfff114eb41 R10: fffffbfff114eb41 R11: 0000000000000000 R12: 1ffffffff114eb40 R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffffffff11552c6 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690 default_idle_call+0x59/0xa0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x13e/0x630 kernel/sched/idle.c:269 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:361 rest_init+0x29d/0x2b0 init/main.c:451 arch_call_rest_init+0xe/0x10 start_kernel+0x6d1/0x7d2 init/main.c:784 x86_64_start_reservations+0x18/0x2e arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x7a/0x7d 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+0x208/0x2c0 kernel/locking/mutex.c:1426 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+0x208/0x2c0 kernel/locking/mutex.c:1426 Code: 00 00 31 c9 41 b8 01 00 00 00 45 31 c9 ff 75 08 e8 2d b0 cd f9 48 83 c4 08 89 d8 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> 0b e9 5d fe ff ff e8 4c 65 bb fb 85 c0 0f 84 3e fe ff ff 48 c7 RSP: 0018:ffff8880aea090a0 EFLAGS: 00010006 RAX: 0000000000000504 RBX: dffffc0000000000 RCX: ffffffff88a75a00 RDX: 0000000000000504 RSI: 0000000000000040 RDI: ffffffff88adb698 RBP: ffff8880aea090d0 R08: ffffffff83498054 R09: fffffbfff115a587 R10: fffffbfff115a587 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: ffffffff88adb698 R15: 1ffffffff12365cc FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 0000000094a33000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __crash_kexec+0x2f/0xc0 kernel/kexec_core.c:948 panic+0x294/0x7a9 kernel/panic.c:241 __warn+0x20e/0x210 kernel/panic.c:582 report_bug+0x1b6/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:267 do_invalid_op+0x36/0x40 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:mark_lock+0x8d2/0x1650 kernel/locking/lockdep.c:3643 Code: 0f 85 af 02 00 00 83 3d 2f 9e 84 07 00 0f 85 7a f8 ff ff 31 db 48 c7 c7 14 26 57 88 48 c7 c6 e4 ec 5b 88 31 c0 e8 5e 9c ec ff <0f> 0b e9 6e f8 ff ff 4c 69 f3 b0 00 00 00 48 c7 c0 90 6c 3d 89 4c RSP: 0018:ffff8880aea09430 EFLAGS: 00010046 RAX: d995e54570463400 RBX: 0000000000000000 RCX: ffffffff88a75a00 RDX: 0000000000000503 RSI: 0000000000000001 RDI: ffffffff815ded94 RBP: ffff8880aea09530 R08: ffffffff817a5e6a R09: fffffbfff115a51d R10: fffffbfff115a51d R11: 0000000000000000 R12: 1ffffffff114ec75 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:4485 __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:3929 [inline] sch_direct_xmit+0x154/0xd50 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3621 [inline] __dev_queue_xmit+0x1c1b/0x2e60 net/core/dev.c:3982 dev_queue_xmit+0x17/0x20 net/core/dev.c:4046 neigh_resolve_output+0x60c/0x6b0 net/core/neighbour.c:1490 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x102c/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:296 [inline] ip6_output+0x2c2/0x3c0 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] mld_sendpack+0x770/0xb80 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x870/0xc70 net/ipv6/mcast.c:2477 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:762 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:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 22 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 04 5d 22 fa eb b0 cc cc e9 07 00 00 00 0f 00 2d 56 fb 55 00 fb f4 90 e9 07 00 00 00 0f 00 2d 46 fb 55 00 f4 c3 cc cc 55 48 89 e5 RSP: 0018:ffffffff88a07dc0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11552c8 RBX: ffffffff88a75a00 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff812bf9ea RDI: ffffffff88a76244 RBP: ffffffff88a07dc8 R08: ffffffff88a76258 R09: fffffbfff114eb41 R10: fffffbfff114eb41 R11: 0000000000000000 R12: 1ffffffff114eb40 R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffffffff11552c6 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690 default_idle_call+0x59/0xa0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x13e/0x630 kernel/sched/idle.c:269 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:361 rest_init+0x29d/0x2b0 init/main.c:451 arch_call_rest_init+0xe/0x10 start_kernel+0x6d1/0x7d2 init/main.c:784 x86_64_start_reservations+0x18/0x2e arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x7a/0x7d arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 irq event stamp: 201584 hardirqs last enabled at (201584): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (201584): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (201584): [] read_seqbegin+0x129/0x210 include/linux/seqlock.h:433 hardirqs last disabled at (201583): [] seqcount_lockdep_reader_access include/linux/seqlock.h:80 [inline] hardirqs last disabled at (201583): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last disabled at (201583): [] read_seqbegin+0x8d/0x210 include/linux/seqlock.h:433 softirqs last enabled at (201542): [] irq_enter+0x57/0xc0 kernel/softirq.c:355 softirqs last disabled at (201543): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (201543): [] irq_exit+0x227/0x230 kernel/softirq.c:413 ---[ end trace 4ce03ede578b94f3 ]--- ------------[ 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:744 Code: ff eb 85 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 65 8b 05 61 04 76 78 a9 00 ff 1f 00 75 0b 48 8b 75 08 e8 15 00 00 00 5d c3 <0f> 0b eb f1 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 RSP: 0018:ffff8880aea090d0 EFLAGS: 00010006 RAX: 0000000000000504 RBX: 0000000000000001 RCX: ffffffff88a75a00 RDX: 0000000000000504 RSI: 0000000000000001 RDI: ffffffff88adb698 RBP: ffff8880aea090d0 R08: ffffffff816bf00a R09: 0000000000000000 R10: fffffbfff115b6d4 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff12365cc FS: 0000000000000000(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200001c0 CR3: 0000000094a33000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __crash_kexec+0x92/0xc0 kernel/kexec_core.c:957 panic+0x294/0x7a9 kernel/panic.c:241 __warn+0x20e/0x210 kernel/panic.c:582 report_bug+0x1b6/0x2f0 lib/bug.c:195 fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0xd7/0x440 arch/x86/kernel/traps.c:267 do_invalid_op+0x36/0x40 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:mark_lock+0x8d2/0x1650 kernel/locking/lockdep.c:3643 Code: 0f 85 af 02 00 00 83 3d 2f 9e 84 07 00 0f 85 7a f8 ff ff 31 db 48 c7 c7 14 26 57 88 48 c7 c6 e4 ec 5b 88 31 c0 e8 5e 9c ec ff <0f> 0b e9 6e f8 ff ff 4c 69 f3 b0 00 00 00 48 c7 c0 90 6c 3d 89 4c RSP: 0018:ffff8880aea09430 EFLAGS: 00010046 RAX: d995e54570463400 RBX: 0000000000000000 RCX: ffffffff88a75a00 RDX: 0000000000000503 RSI: 0000000000000001 RDI: ffffffff815ded94 RBP: ffff8880aea09530 R08: ffffffff817a5e6a R09: fffffbfff115a51d R10: fffffbfff115a51d R11: 0000000000000000 R12: 1ffffffff114ec75 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:4485 __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:3929 [inline] sch_direct_xmit+0x154/0xd50 net/sched/sch_generic.c:311 __dev_xmit_skb net/core/dev.c:3621 [inline] __dev_queue_xmit+0x1c1b/0x2e60 net/core/dev.c:3982 dev_queue_xmit+0x17/0x20 net/core/dev.c:4046 neigh_resolve_output+0x60c/0x6b0 net/core/neighbour.c:1490 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x102c/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:296 [inline] ip6_output+0x2c2/0x3c0 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] mld_sendpack+0x770/0xb80 net/ipv6/mcast.c:1682 mld_send_cr net/ipv6/mcast.c:1978 [inline] mld_ifc_timer_expire+0x870/0xc70 net/ipv6/mcast.c:2477 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:762 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:829 RIP: 0010:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61 Code: 22 fa eb ae 89 d9 80 e1 07 80 c1 03 38 c1 7c ba 48 89 df e8 04 5d 22 fa eb b0 cc cc e9 07 00 00 00 0f 00 2d 56 fb 55 00 fb f4 90 e9 07 00 00 00 0f 00 2d 46 fb 55 00 f4 c3 cc cc 55 48 89 e5 RSP: 0018:ffffffff88a07dc0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff11552c8 RBX: ffffffff88a75a00 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffffffff812bf9ea RDI: ffffffff88a76244 RBP: ffffffff88a07dc8 R08: ffffffff88a76258 R09: fffffbfff114eb41 R10: fffffbfff114eb41 R11: 0000000000000000 R12: 1ffffffff114eb40 R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffffffff11552c6 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:690 default_idle_call+0x59/0xa0 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x13e/0x630 kernel/sched/idle.c:269 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:361 rest_init+0x29d/0x2b0 init/main.c:451 arch_call_rest_init+0xe/0x10 start_kernel+0x6d1/0x7d2 init/main.c:784 x86_64_start_reservations+0x18/0x2e arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x7a/0x7d arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242 irq event stamp: 201584 hardirqs last enabled at (201584): [] seqcount_lockdep_reader_access include/linux/seqlock.h:83 [inline] hardirqs last enabled at (201584): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last enabled at (201584): [] read_seqbegin+0x129/0x210 include/linux/seqlock.h:433 hardirqs last disabled at (201583): [] seqcount_lockdep_reader_access include/linux/seqlock.h:80 [inline] hardirqs last disabled at (201583): [] read_seqcount_begin include/linux/seqlock.h:164 [inline] hardirqs last disabled at (201583): [] read_seqbegin+0x8d/0x210 include/linux/seqlock.h:433 softirqs last enabled at (201542): [] irq_enter+0x57/0xc0 kernel/softirq.c:355 softirqs last disabled at (201543): [] invoke_softirq kernel/softirq.c:373 [inline] softirqs last disabled at (201543): [] irq_exit+0x227/0x230 kernel/softirq.c:413 ---[ end trace 4ce03ede578b94f4 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..