Warning: Permanently added '10.128.1.110' (ECDSA) to the list of known hosts. executing program executing program executing program [ 237.991948] syz-executor162 (7967) used greatest stack depth: 25256 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 246.278721] syz-executor162 (9774) used greatest stack depth: 24768 bytes left executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 320.247811] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [ksoftirqd/0:7] [ 320.255162] Modules linked in: [ 320.258355] irq event stamp: 11566697 [ 320.262170] hardirqs last enabled at (11566696): [] kmem_cache_alloc_node_trace+0x2f0/0x400 [ 320.272313] hardirqs last disabled at (11566697): [] apic_timer_interrupt+0x8e/0xa0 [ 320.281670] softirqs last enabled at (4038750): [] __do_softirq+0x68b/0x9ff [ 320.290427] softirqs last disabled at (4038755): [] run_ksoftirqd+0x50/0x1a0 [ 320.300096] CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.14.264-syzkaller #0 [ 320.307362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.316799] task: ffff8880b540a1c0 task.stack: ffff8880b5418000 [ 320.322860] RIP: 0010:unwind_get_return_address+0x42/0x90 [ 320.328384] RSP: 0018:ffff8880b541f688 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff10 [ 320.336085] RAX: dffffc0000000000 RBX: ffff8880b541f6b0 RCX: 0000000000000000 [ 320.343346] RDX: 1ffff11016a83edf RSI: ffff8880b541f5a0 RDI: ffff8880b541f6b0 [ 320.350605] RBP: ffff8880b541f6f8 R08: 0000000000000001 R09: 0000000000000001 [ 320.357873] R10: ffff8880b541fc18 R11: 0000000000000001 R12: ffff8880b541f738 [ 320.365140] R13: 0000000000000000 R14: ffff88813fe74940 R15: 00000000000001c0 [ 320.372406] FS: 0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 320.380621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 320.386507] CR2: 000055c63de69d60 CR3: 0000000008e6a000 CR4: 00000000003406f0 [ 320.393776] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 320.401041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 320.408389] Call Trace: [ 320.410975] ? br_ip4_multicast_query_expired+0xd0/0x100 [ 320.416425] __save_stack_trace+0xa0/0x160 [ 320.420661] ? call_timer_fn+0x14a/0x650 [ 320.424890] kasan_kmalloc+0xeb/0x160 [ 320.428690] ? kasan_kmalloc+0xeb/0x160 [ 320.432657] ? __kmalloc_node_track_caller+0x4c/0x70 [ 320.437804] ? __alloc_skb+0x96/0x510 [ 320.441610] ? __netdev_alloc_skb+0x54/0x430 [ 320.446013] ? __br_multicast_send_query+0x109f/0x2db0 [ 320.451281] ? br_multicast_send_query+0x1c6/0x340 [ 320.456200] ? br_ip4_multicast_query_expired+0xd0/0x100 [ 320.461645] ? smpboot_thread_fn+0x5c1/0x920 [ 320.466134] ? kthread+0x30d/0x420 [ 320.469666] ? ret_from_fork+0x24/0x30 [ 320.473554] ? __lock_acquire+0x5fc/0x3f20 [ 320.477785] ? trace_hardirqs_on+0x10/0x10 [ 320.482018] ? kfree_skbmem+0x98/0x100 [ 320.485908] ? enqueue_to_backlog+0x23a/0xce0 [ 320.490397] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 320.495841] ? kfree_skbmem+0x98/0x100 [ 320.499875] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 320.504891] ? kmem_cache_free+0x23a/0x2b0 [ 320.509131] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 320.514578] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 320.519589] ? __kmalloc_node_track_caller+0x38/0x70 [ 320.524687] ? kmem_cache_alloc_node_trace+0x383/0x400 [ 320.529964] __kmalloc_node_track_caller+0x4c/0x70 [ 320.534888] __alloc_skb+0x96/0x510 [ 320.538510] __netdev_alloc_skb+0x54/0x430 [ 320.542744] __br_multicast_send_query+0x109f/0x2db0 [ 320.547934] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 320.553037] ? trace_hardirqs_on+0x10/0x10 [ 320.557277] ? br_multicast_count+0x8f0/0x8f0 [ 320.561768] ? mod_timer+0x4ec/0xf70 [ 320.565480] ? msleep_interruptible+0xf0/0xf0 [ 320.570064] br_multicast_send_query+0x1c6/0x340 [ 320.574815] ? __br_multicast_send_query+0x2db0/0x2db0 [ 320.580084] ? br_ip4_multicast_query_expired+0x24/0x100 [ 320.585531] ? lock_acquire+0x170/0x3f0 [ 320.589502] br_ip4_multicast_query_expired+0xd0/0x100 [ 320.594774] call_timer_fn+0x14a/0x650 [ 320.598655] ? br_ip6_multicast_query_expired+0x100/0x100 [ 320.604190] ? collect_expired_timers+0x250/0x250 [ 320.609031] ? _raw_spin_unlock_irq+0x24/0x80 [ 320.613531] ? br_ip6_multicast_query_expired+0x100/0x100 [ 320.619067] expire_timers+0x232/0x4d0 [ 320.622952] run_timer_softirq+0x1d5/0x5a0 [ 320.627183] ? expire_timers+0x4d0/0x4d0 [ 320.631245] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 320.636692] __do_softirq+0x24d/0x9ff [ 320.640493] ? __local_bh_enable_ip+0x170/0x170 [ 320.645159] run_ksoftirqd+0x50/0x1a0 [ 320.649045] smpboot_thread_fn+0x5c1/0x920 [ 320.653277] ? sort_range+0x30/0x30 [ 320.656898] ? sort_range+0x30/0x30 [ 320.660609] kthread+0x30d/0x420 [ 320.663978] ? kthread_create_on_node+0xd0/0xd0 [ 320.668642] ret_from_fork+0x24/0x30 [ 320.672350] Code: b6 04 02 84 c0 74 04 3c 03 7e 51 8b 03 85 c0 75 05 5b 31 c0 5d c3 48 8d 6b 48 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <80> 3c 02 00 75 32 48 8b 7b 48 e8 6f a4 13 00 85 c0 74 d3 48 b8 [ 320.691652] Kernel panic - not syncing: softlockup: hung tasks [ 320.697622] CPU: 0 PID: 7 Comm: ksoftirqd/0 Tainted: G L 4.14.264-syzkaller #0 [ 320.706104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 320.715457] Call Trace: [ 320.718039] [ 320.720185] dump_stack+0x1b2/0x281 [ 320.723807] panic+0x1f9/0x42d [ 320.726995] ? add_taint.cold+0x16/0x16 [ 320.730974] watchdog_timer_fn.cold+0x16/0x25 [ 320.735469] __hrtimer_run_queues+0x30b/0xc80 [ 320.739959] ? watchdog+0x50/0x50 [ 320.743412] ? retrigger_next_event+0x310/0x310 [ 320.748080] ? ktime_get_update_offsets_now+0x272/0x3f0 [ 320.753444] hrtimer_interrupt+0x1e6/0x5e0 [ 320.757683] smp_apic_timer_interrupt+0x117/0x5e0 [ 320.762520] apic_timer_interrupt+0x93/0xa0 [ 320.766834] [ 320.769067] RIP: 0010:unwind_get_return_address+0x42/0x90 [ 320.774589] RSP: 0018:ffff8880b541f688 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff10 [ 320.782287] RAX: dffffc0000000000 RBX: ffff8880b541f6b0 RCX: 0000000000000000 [ 320.789549] RDX: 1ffff11016a83edf RSI: ffff8880b541f5a0 RDI: ffff8880b541f6b0 [ 320.796810] RBP: ffff8880b541f6f8 R08: 0000000000000001 R09: 0000000000000001 [ 320.804073] R10: ffff8880b541fc18 R11: 0000000000000001 R12: ffff8880b541f738 [ 320.811420] R13: 0000000000000000 R14: ffff88813fe74940 R15: 00000000000001c0 [ 320.818705] ? br_ip4_multicast_query_expired+0xd0/0x100 [ 320.824150] __save_stack_trace+0xa0/0x160 [ 320.828388] ? call_timer_fn+0x14a/0x650 [ 320.832445] kasan_kmalloc+0xeb/0x160 [ 320.836241] ? kasan_kmalloc+0xeb/0x160 [ 320.840219] ? __kmalloc_node_track_caller+0x4c/0x70 [ 320.845312] ? __alloc_skb+0x96/0x510 [ 320.849117] ? __netdev_alloc_skb+0x54/0x430 [ 320.853514] ? __br_multicast_send_query+0x109f/0x2db0 [ 320.858785] ? br_multicast_send_query+0x1c6/0x340 [ 320.863717] ? br_ip4_multicast_query_expired+0xd0/0x100 [ 320.869164] ? smpboot_thread_fn+0x5c1/0x920 [ 320.873562] ? kthread+0x30d/0x420 [ 320.877131] ? ret_from_fork+0x24/0x30 [ 320.881027] ? __lock_acquire+0x5fc/0x3f20 [ 320.885265] ? trace_hardirqs_on+0x10/0x10 [ 320.889495] ? kfree_skbmem+0x98/0x100 [ 320.893470] ? enqueue_to_backlog+0x23a/0xce0 [ 320.897958] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 320.903493] ? kfree_skbmem+0x98/0x100 [ 320.907380] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 320.912402] ? kmem_cache_free+0x23a/0x2b0 [ 320.916637] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 320.922092] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 320.927114] ? __kmalloc_node_track_caller+0x38/0x70 [ 320.932215] ? kmem_cache_alloc_node_trace+0x383/0x400 [ 320.937493] __kmalloc_node_track_caller+0x4c/0x70 [ 320.942419] __alloc_skb+0x96/0x510 [ 320.946049] __netdev_alloc_skb+0x54/0x430 [ 320.950295] __br_multicast_send_query+0x109f/0x2db0 [ 320.955392] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 320.960494] ? trace_hardirqs_on+0x10/0x10 [ 320.964728] ? br_multicast_count+0x8f0/0x8f0 [ 320.969237] ? mod_timer+0x4ec/0xf70 [ 320.973037] ? msleep_interruptible+0xf0/0xf0 [ 320.977538] br_multicast_send_query+0x1c6/0x340 [ 320.982290] ? __br_multicast_send_query+0x2db0/0x2db0 [ 320.987566] ? br_ip4_multicast_query_expired+0x24/0x100 [ 320.993018] ? lock_acquire+0x170/0x3f0 [ 320.997089] br_ip4_multicast_query_expired+0xd0/0x100 [ 321.002364] call_timer_fn+0x14a/0x650 [ 321.006250] ? br_ip6_multicast_query_expired+0x100/0x100 [ 321.011874] ? collect_expired_timers+0x250/0x250 [ 321.016714] ? _raw_spin_unlock_irq+0x24/0x80 [ 321.021208] ? br_ip6_multicast_query_expired+0x100/0x100 [ 321.026740] expire_timers+0x232/0x4d0 [ 321.030628] run_timer_softirq+0x1d5/0x5a0 [ 321.034951] ? expire_timers+0x4d0/0x4d0 [ 321.039018] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 321.044466] __do_softirq+0x24d/0x9ff [ 321.048270] ? __local_bh_enable_ip+0x170/0x170 [ 321.052939] run_ksoftirqd+0x50/0x1a0 [ 321.056743] smpboot_thread_fn+0x5c1/0x920 [ 321.061068] ? sort_range+0x30/0x30 [ 321.064690] ? sort_range+0x30/0x30 [ 321.068314] kthread+0x30d/0x420 [ 321.071676] ? kthread_create_on_node+0xd0/0xd0 [ 321.076342] ret_from_fork+0x24/0x30 [ 321.080375] Kernel Offset: disabled [ 321.084033] Rebooting in 86400 seconds..