Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts. 2019/10/17 03:52:08 fuzzer started 2019/10/17 03:52:09 dialing manager at 10.128.0.105:33899 2019/10/17 03:52:09 syscalls: 2524 2019/10/17 03:52:09 code coverage: enabled 2019/10/17 03:52:09 comparison tracing: enabled 2019/10/17 03:52:09 extra coverage: extra coverage is not supported by the kernel 2019/10/17 03:52:09 setuid sandbox: enabled 2019/10/17 03:52:09 namespace sandbox: enabled 2019/10/17 03:52:09 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/17 03:52:09 fault injection: enabled 2019/10/17 03:52:09 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/17 03:52:09 net packet injection: enabled 2019/10/17 03:52:09 net device setup: enabled 2019/10/17 03:52:09 concurrency sanitizer: enabled syzkaller login: [ 45.861621][ C1] ================================================================== [ 45.869759][ C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64 [ 45.878690][ C1] [ 45.881003][ C1] write to 0xffffffff86042008 of 8 bytes by interrupt on cpu 0: [ 45.888712][ C1] tick_do_update_jiffies64+0x105/0x260 [ 45.894240][ C1] tick_sched_do_timer+0xd4/0xe0 [ 45.899160][ C1] tick_sched_timer+0x43/0xe0 [ 45.903854][ C1] __hrtimer_run_queues+0x288/0x600 [ 45.909034][ C1] hrtimer_interrupt+0x22a/0x480 [ 45.913955][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 45.919397][ C1] apic_timer_interrupt+0xf/0x20 [ 45.924309][ C1] [ 45.926623][ C1] read to 0xffffffff86042008 of 8 bytes by interrupt on cpu 1: [ 45.934149][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 45.939589][ C1] tick_sched_do_timer+0xd4/0xe0 [ 45.944507][ C1] tick_sched_timer+0x43/0xe0 [ 45.949168][ C1] __hrtimer_run_queues+0x288/0x600 [ 45.954351][ C1] hrtimer_interrupt+0x22a/0x480 [ 45.959268][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 45.964707][ C1] apic_timer_interrupt+0xf/0x20 [ 45.969626][ C1] __kcsan_setup_watchpoint+0xa8/0x510 [ 45.975069][ C1] __tsan_read1+0x2c/0x30 [ 45.979381][ C1] nf_ct_seq_offset+0x48/0xd0 [ 45.984040][ C1] nf_conntrack_tcp_packet+0x5d9/0x3390 [ 45.989567][ C1] nf_conntrack_in+0x410/0xa80 [ 45.994312][ C1] ipv4_conntrack_in+0x27/0x40 [ 45.999147][ C1] [ 46.001455][ C1] Reported by Kernel Concurrency Sanitizer on: [ 46.007590][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc3+ #0 [ 46.014933][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.024969][ C1] ================================================================== [ 46.033112][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 46.039696][ C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc3+ #0 [ 46.047040][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.057191][ C1] Call Trace: [ 46.060459][ C1] [ 46.063302][ C1] dump_stack+0xf5/0x159 [ 46.067531][ C1] panic+0x210/0x640 [ 46.071412][ C1] ? __tsan_read1+0x2c/0x30 [ 46.075899][ C1] ? vprintk_func+0x8d/0x140 [ 46.080474][ C1] kcsan_report.cold+0xc/0x1b [ 46.085138][ C1] __kcsan_setup_watchpoint+0x3ee/0x510 [ 46.090668][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.096288][ C1] __tsan_read8+0x2c/0x30 [ 46.100603][ C1] tick_do_update_jiffies64+0x2b/0x260 [ 46.106049][ C1] tick_sched_do_timer+0xd4/0xe0 [ 46.110975][ C1] tick_sched_timer+0x43/0xe0 [ 46.115639][ C1] __hrtimer_run_queues+0x288/0x600 [ 46.120824][ C1] ? tick_sched_do_timer+0xe0/0xe0 [ 46.125924][ C1] hrtimer_interrupt+0x22a/0x480 [ 46.130853][ C1] smp_apic_timer_interrupt+0xdc/0x280 [ 46.136296][ C1] ? do_IRQ+0xcb/0x180 [ 46.140349][ C1] apic_timer_interrupt+0xf/0x20 [ 46.145263][ C1] [ 46.148190][ C1] RIP: 0010:__kcsan_setup_watchpoint+0xa8/0x510 [ 46.154417][ C1] Code: 7e 85 c0 7f d4 65 8a 05 c2 ad af 7e 84 c0 75 c9 4c 89 ef e8 6a 06 00 00 84 c0 75 bd b9 01 00 00 00 65 48 0f c1 0d 88 ad af 7e <48> be 7d 3f 35 5e ba 49 0c 02 48 83 c1 01 48 89 ca 48 c1 ea 04 48 [ 46.174018][ C1] RSP: 0018:ffffc90000cf3710 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 [ 46.182408][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000591469 [ 46.190361][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888126807092 [ 46.198315][ C1] RBP: ffffc90000cf3750 R08: 0000000000000000 R09: 0000888126807092 [ 46.206270][ C1] R10: 00000000aaaaaaab R11: ffffffff86045c50 R12: 0000000000000001 [ 46.214223][ C1] R13: ffff888126807092 R14: ffff888126807080 R15: ffff8881230ca000 [ 46.222192][ C1] ? nf_ip_checksum+0xc6/0x2a0 [ 46.226938][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.232557][ C1] __tsan_read1+0x2c/0x30 [ 46.236870][ C1] nf_ct_seq_offset+0x48/0xd0 [ 46.241537][ C1] nf_conntrack_tcp_packet+0x5d9/0x3390 [ 46.247066][ C1] ? __tsan_write4+0x32/0x40 [ 46.251648][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.257267][ C1] nf_conntrack_in+0x410/0xa80 [ 46.262022][ C1] ipv4_conntrack_in+0x27/0x40 [ 46.266772][ C1] nf_hook_slow+0x83/0x160 [ 46.271169][ C1] ? nf_ct_bridge_unregister+0x70/0x70 [ 46.276612][ C1] ip_rcv+0x12f/0x1a0 [ 46.280577][ C1] ? ip_sublist_rcv+0x5e0/0x5e0 [ 46.285409][ C1] ? ip_local_deliver+0x210/0x210 [ 46.290418][ C1] __netif_receive_skb_one_core+0xa7/0xe0 [ 46.296122][ C1] __netif_receive_skb+0x37/0xf0 [ 46.301047][ C1] netif_receive_skb_internal+0x59/0x190 [ 46.306664][ C1] napi_gro_receive+0x28f/0x330 [ 46.311509][ C1] receive_buf+0x284/0x30b0 [ 46.316000][ C1] ? __tsan_write8+0x32/0x40 [ 46.320597][ C1] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 46.326042][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.331657][ C1] ? __kcsan_setup_watchpoint+0x96/0x510 [ 46.337277][ C1] virtnet_poll+0x436/0x7d0 [ 46.341778][ C1] net_rx_action+0x3ae/0xa90 [ 46.346357][ C1] __do_softirq+0x115/0x33f [ 46.350847][ C1] ? takeover_tasklets+0x250/0x250 [ 46.355955][ C1] run_ksoftirqd+0x46/0x60 [ 46.360358][ C1] smpboot_thread_fn+0x37d/0x4a0 [ 46.365287][ C1] kthread+0x1d4/0x200 [ 46.369340][ C1] ? constant_test_bit.constprop.0+0x30/0x30 [ 46.375305][ C1] ? kthread_stop+0x2d0/0x2d0 [ 46.379966][ C1] ret_from_fork+0x1f/0x30 [ 46.385703][ C1] Kernel Offset: disabled [ 46.390021][ C1] Rebooting in 86400 seconds..