Warning: Permanently added '10.128.0.161' (ECDSA) to the list of known hosts. 2019/10/13 08:26:18 fuzzer started 2019/10/13 08:26:20 dialing manager at 10.128.0.105:43913 2019/10/13 08:26:20 syscalls: 2523 2019/10/13 08:26:20 code coverage: enabled 2019/10/13 08:26:20 comparison tracing: enabled 2019/10/13 08:26:20 extra coverage: extra coverage is not supported by the kernel 2019/10/13 08:26:20 setuid sandbox: enabled 2019/10/13 08:26:20 namespace sandbox: enabled 2019/10/13 08:26:20 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/13 08:26:20 fault injection: enabled 2019/10/13 08:26:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/13 08:26:20 net packet injection: enabled 2019/10/13 08:26:20 net device setup: enabled 2019/10/13 08:26:20 concurrency sanitizer: enabled syzkaller login: [ 47.446364][ C0] ================================================================== [ 47.454635][ C0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 47.463558][ C0] [ 47.465872][ C0] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1: [ 47.473527][ C0] tick_do_update_jiffies64+0x105/0x260 [ 47.479062][ C0] tick_sched_do_timer+0xd4/0xe0 [ 47.484109][ C0] tick_sched_timer+0x43/0xe0 [ 47.488818][ C0] __hrtimer_run_queues+0x288/0x600 [ 47.494010][ C0] hrtimer_interrupt+0x22a/0x480 [ 47.498985][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 47.504423][ C0] apic_timer_interrupt+0xf/0x20 [ 47.509331][ C0] [ 47.511637][ C0] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0: [ 47.519172][ C0] tick_do_update_jiffies64+0x2b/0x260 [ 47.524623][ C0] tick_sched_do_timer+0xd4/0xe0 [ 47.529552][ C0] tick_sched_timer+0x43/0xe0 [ 47.534222][ C0] __hrtimer_run_queues+0x288/0x600 [ 47.539410][ C0] hrtimer_interrupt+0x22a/0x480 [ 47.544587][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 47.550035][ C0] apic_timer_interrupt+0xf/0x20 [ 47.554964][ C0] __sanitizer_cov_trace_const_cmp1+0x1/0x20 [ 47.560973][ C0] packet_rcv_spkt+0x2fe/0x350 [ 47.565724][ C0] __netif_receive_skb_core+0xe13/0x1a90 [ 47.571332][ C0] __netif_receive_skb_one_core+0x67/0xe0 [ 47.577026][ C0] __netif_receive_skb+0x37/0xf0 [ 47.582828][ C0] netif_receive_skb_internal+0x59/0x190 [ 47.588428][ C0] [ 47.590729][ C0] Reported by Kernel Concurrency Sanitizer on: [ 47.596861][ C0] CPU: 0 PID: 7245 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 47.603945][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.613982][ C0] ================================================================== [ 47.622018][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 47.628841][ C0] CPU: 0 PID: 7245 Comm: syz-fuzzer Not tainted 5.3.0+ #0 [ 47.636387][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.646439][ C0] Call Trace: [ 47.649705][ C0] [ 47.652550][ C0] dump_stack+0xf5/0x159 [ 47.656799][ C0] panic+0x209/0x639 [ 47.660680][ C0] ? packet_rcv_spkt+0x2fe/0x350 [ 47.665769][ C0] ? vprintk_func+0x8d/0x140 [ 47.670349][ C0] kcsan_report.cold+0xc/0x1b [ 47.675064][ C0] __kcsan_setup_watchpoint+0x3ee/0x510 [ 47.680602][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.686255][ C0] __tsan_read8+0x2c/0x30 [ 47.690573][ C0] tick_do_update_jiffies64+0x2b/0x260 [ 47.696049][ C0] tick_sched_do_timer+0xd4/0xe0 [ 47.700969][ C0] tick_sched_timer+0x43/0xe0 [ 47.705747][ C0] __hrtimer_run_queues+0x288/0x600 [ 47.710973][ C0] ? tick_sched_do_timer+0xe0/0xe0 [ 47.716075][ C0] hrtimer_interrupt+0x22a/0x480 [ 47.721003][ C0] ? debug_smp_processor_id+0x4c/0x172 [ 47.726452][ C0] smp_apic_timer_interrupt+0xdc/0x280 [ 47.731896][ C0] apic_timer_interrupt+0xf/0x20 [ 47.736823][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x1/0x20 [ 47.743565][ C0] Code: c3 0f 1f 84 00 00 00 00 00 55 48 89 f2 48 89 fe bf 06 00 00 00 48 89 e5 48 8b 4d 08 e8 18 ff ff ff 5d c3 66 0f 1f 44 00 00 55 <40> 0f b6 d6 40 0f b6 f7 bf 01 00 00 00 48 89 e5 48 8b 4d 08 e8 f6 [ 47.763144][ C0] RSP: 0000:ffffc90000003a48 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 47.771529][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff824c0866 [ 47.779477][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 47.787424][ C0] RBP: ffffc90000003a80 R08: ffff88812a8a0040 R09: 0000c900000039ff [ 47.795374][ C0] R10: 00000000aaaaaaab R11: ffffffff86042c30 R12: ffff888124a6ab00 [ 47.803332][ C0] R13: ffff888124a6abd4 R14: ffff88812574f000 R15: ffffffff84167b40 [ 47.811317][ C0] ? apic_timer_interrupt+0xa/0x20 [ 47.816407][ C0] ? packet_mmap+0x3d0/0x3d0 [ 47.821152][ C0] ? refcount_sub_and_test_checked+0xb6/0x190 [ 47.827229][ C0] ? consume_skb+0xb9/0x1c0 [ 47.831746][ C0] packet_rcv_spkt+0x2fe/0x350 [ 47.836495][ C0] ? packet_mmap+0x3d0/0x3d0 [ 47.841070][ C0] __netif_receive_skb_core+0xe13/0x1a90 [ 47.846692][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.852323][ C0] __netif_receive_skb_one_core+0x67/0xe0 [ 47.858042][ C0] __netif_receive_skb+0x37/0xf0 [ 47.862963][ C0] netif_receive_skb_internal+0x59/0x190 [ 47.868586][ C0] napi_gro_receive+0x28f/0x330 [ 47.873426][ C0] receive_buf+0x284/0x30b0 [ 47.878006][ C0] ? __tsan_write8+0x32/0x40 [ 47.882811][ C0] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 47.888263][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.893896][ C0] ? __kcsan_setup_watchpoint+0x96/0x510 [ 47.899524][ C0] virtnet_poll+0x436/0x7d0 [ 47.904019][ C0] net_rx_action+0x3ae/0xa50 [ 47.908597][ C0] __do_softirq+0x115/0x33f [ 47.913084][ C0] irq_exit+0xbb/0xe0 [ 47.917050][ C0] do_IRQ+0xdf/0x150 [ 47.920987][ C0] common_interrupt+0xf/0xf [ 47.925525][ C0] [ 47.928455][ C0] RIP: 0033:0x41d4a8 [ 47.932346][ C0] Code: 04 0f 83 db 00 00 00 41 0f ba e1 00 73 b1 4c 8d 0c 37 4d 8b 09 4d 85 c9 74 a5 4c 39 c8 77 a0 49 39 d1 73 9b 4d 89 cb 49 29 f1 <4d> 39 d1 72 90 48 89 7c 24 58 89 4c 24 44 48 89 9c 24 80 00 00 00 [ 47.952051][ C0] RSP: 002b:000000c42004be90 EFLAGS: 00000206 ORIG_RAX: ffffffffffffffda [ 47.960573][ C0] RAX: 000000c420000000 RBX: 000000c41ffe4873 RCX: 0000000000000000 [ 47.968542][ C0] RDX: 000000c420c00000 RSI: 000000c42036f170 RDI: 0000000000000010 [ 47.976496][ C0] RBP: 000000c42004bf28 R08: 0000000000000000 R09: 0000000000068290 [ 47.984445][ C0] R10: 0000000000000030 R11: 000000c4203d7400 R12: 0000000000a598c8 [ 47.992454][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 48.001762][ C0] Kernel Offset: disabled [ 48.006091][ C0] Rebooting in 86400 seconds..