Warning: Permanently added '10.128.1.59' (ECDSA) to the list of known hosts. 2019/10/11 14:13:11 fuzzer started 2019/10/11 14:13:13 dialing manager at 10.128.0.105:37331 2019/10/11 14:13:13 syscalls: 2523 2019/10/11 14:13:13 code coverage: enabled 2019/10/11 14:13:13 comparison tracing: enabled 2019/10/11 14:13:13 extra coverage: extra coverage is not supported by the kernel 2019/10/11 14:13:13 setuid sandbox: enabled 2019/10/11 14:13:13 namespace sandbox: enabled 2019/10/11 14:13:13 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/11 14:13:13 fault injection: enabled 2019/10/11 14:13:13 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/11 14:13:13 net packet injection: enabled 2019/10/11 14:13:13 net device setup: enabled 2019/10/11 14:13:13 concurrency sanitizer: enabled syzkaller login: [ 51.890667][ C1] ================================================================== [ 51.898791][ C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 51.907721][ C1] [ 51.910028][ C1] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0: [ 51.917643][ C1] tick_do_update_jiffies64+0x105/0x260 [ 51.923163][ C1] tick_sched_do_timer+0xd4/0xe0 [ 51.928214][ C1] tick_sched_timer+0x43/0xe0 [ 51.932868][ C1] __hrtimer_run_queues+0x288/0x600 [ 51.938056][ C1] hrtimer_interrupt+0x22a/0x480 [ 51.942967][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 51.948429][ C1] apic_timer_interrupt+0xf/0x20 [ 51.953344][ C1] [ 51.955656][ C1] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1: [ 51.963207][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 51.968642][ C1] tick_sched_do_timer+0xd4/0xe0 [ 51.973589][ C1] tick_sched_timer+0x43/0xe0 [ 51.978294][ C1] __hrtimer_run_queues+0x288/0x600 [ 51.983469][ C1] hrtimer_interrupt+0x22a/0x480 [ 51.988498][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 51.993929][ C1] apic_timer_interrupt+0xf/0x20 [ 51.998874][ C1] __sanitizer_cov_trace_pc+0x1a/0x50 [ 52.004251][ C1] ipt_do_table+0x354/0xe40 [ 52.008732][ C1] iptable_security_hook+0x4a/0x60 [ 52.013821][ C1] nf_hook_slow+0x83/0x160 [ 52.018210][ C1] ip_local_deliver+0x1e5/0x210 [ 52.023033][ C1] ip_rcv_finish+0x121/0x160 [ 52.027590][ C1] [ 52.029920][ C1] Reported by Kernel Concurrency Sanitizer on: [ 52.036077][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0 [ 52.043096][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.053124][ C1] ================================================================== [ 52.061189][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 52.067751][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.3.0+ #0 [ 52.074741][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.084766][ C1] Call Trace: [ 52.088024][ C1] [ 52.090853][ C1] dump_stack+0xf5/0x159 [ 52.095071][ C1] panic+0x209/0x639 [ 52.098943][ C1] ? ipt_do_table+0x354/0xe40 [ 52.103603][ C1] ? vprintk_func+0x8d/0x140 [ 52.108168][ C1] kcsan_report.cold+0xc/0x1b [ 52.112821][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 52.118337][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 52.123975][ C1] __tsan_read8+0x2c/0x30 [ 52.128281][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 52.133716][ C1] tick_sched_do_timer+0xd4/0xe0 [ 52.138640][ C1] tick_sched_timer+0x43/0xe0 [ 52.143297][ C1] __hrtimer_run_queues+0x288/0x600 [ 52.148472][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 52.153567][ C1] hrtimer_interrupt+0x22a/0x480 [ 52.158483][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 52.163926][ C1] apic_timer_interrupt+0xf/0x20 [ 52.168832][ C1] [ 52.171750][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x1a/0x50 [ 52.179442][ C1] Code: 6a f1 ff ff 90 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 65 48 8b 04 25 40 6c 01 00 65 8b 15 d4 75 bb 7e 81 e2 00 01 1f 00 <48> 8b 75 08 75 2b 8b 90 00 0a 00 00 83 fa 02 75 20 48 8b 88 08 0a [ 52.199019][ C1] RSP: 0018:ffffc90000cf3790 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 52.207404][ C1] RAX: ffff88812b3a4080 RBX: 0000000000000000 RCX: ffffffff83fd0f26 [ 52.215347][ C1] RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000 [ 52.223295][ C1] RBP: ffffc90000cf3790 R08: ffff88812b3a4080 R09: 0000888129dd7c93 [ 52.231251][ C1] R10: 00000000aaaaaaab R11: ffffffff86042cd0 R12: 0000000000000000 [ 52.239211][ C1] R13: 0000000000000000 R14: ffff88811dda404e R15: ffff888129dd7c40 [ 52.247174][ C1] ? ipt_do_table+0x346/0xe40 [ 52.251827][ C1] ipt_do_table+0x354/0xe40 [ 52.256305][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 52.261918][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 52.267530][ C1] iptable_security_hook+0x4a/0x60 [ 52.272620][ C1] nf_hook_slow+0x83/0x160 [ 52.277010][ C1] ? iptable_security_net_exit+0xa0/0xa0 [ 52.282620][ C1] ip_local_deliver+0x1e5/0x210 [ 52.287446][ C1] ? ip_protocol_deliver_rcu+0x470/0x470 [ 52.293054][ C1] ip_rcv_finish+0x121/0x160 [ 52.297618][ C1] ip_rcv+0x18f/0x1a0 [ 52.301577][ C1] ? ip_sublist_rcv+0x5e0/0x5e0 [ 52.306403][ C1] ? ip_local_deliver+0x210/0x210 [ 52.311400][ C1] __netif_receive_skb_one_core+0xa7/0xe0 [ 52.317093][ C1] __netif_receive_skb+0x37/0xf0 [ 52.322006][ C1] netif_receive_skb_internal+0x59/0x190 [ 52.327613][ C1] napi_gro_receive+0x28f/0x330 [ 52.332440][ C1] receive_buf+0x284/0x30b0 [ 52.336930][ C1] ? __tsan_write8+0x32/0x40 [ 52.341505][ C1] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 52.346939][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 52.352555][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 52.358165][ C1] virtnet_poll+0x436/0x7d0 [ 52.362647][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 52.368866][ C1] net_rx_action+0x3ae/0xa50 [ 52.373434][ C1] __do_softirq+0x115/0x33f [ 52.377911][ C1] ? takeover_tasklets+0x250/0x250 [ 52.382998][ C1] run_ksoftirqd+0x46/0x60 [ 52.387388][ C1] smpboot_thread_fn+0x37d/0x4a0 [ 52.392301][ C1] kthread+0x1d4/0x200 [ 52.396346][ C1] ? constant_test_bit.constprop.0+0x30/0x30 [ 52.402313][ C1] ? kthread_bind+0x50/0x50 [ 52.406790][ C1] ret_from_fork+0x1f/0x30 [ 52.412570][ C1] Kernel Offset: disabled [ 52.416889][ C1] Rebooting in 86400 seconds..