Warning: Permanently added '10.128.0.216' (ECDSA) to the list of known hosts.
2019/10/08 08:59:07 fuzzer started
2019/10/08 08:59:08 dialing manager at 10.128.0.105:39369
2019/10/08 08:59:08 syscalls: 2523
2019/10/08 08:59:08 code coverage: enabled
2019/10/08 08:59:08 comparison tracing: enabled
2019/10/08 08:59:08 extra coverage: extra coverage is not supported by the kernel
2019/10/08 08:59:08 setuid sandbox: enabled
2019/10/08 08:59:08 namespace sandbox: enabled
2019/10/08 08:59:08 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/08 08:59:08 fault injection: enabled
2019/10/08 08:59:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/08 08:59:08 net packet injection: enabled
2019/10/08 08:59:08 net device setup: enabled
2019/10/08 08:59:08 concurrency sanitizer: enabled
syzkaller login: [   52.859363][    T0] ==================================================================
[   52.868294][    T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_do_timer
[   52.877894][    T0] 
[   52.880393][    T0] write to 0xffffffff85caf2d0 of 4 bytes by interrupt on cpu 0:
[   52.888686][    T0]  tick_sched_do_timer+0xc0/0xe0
[   52.894792][    T0]  tick_sched_timer+0x43/0xe0
[   52.899724][    T0]  __hrtimer_run_queues+0x288/0x600
[   52.905205][    T0]  hrtimer_interrupt+0x22a/0x480
[   52.911572][    T0]  smp_apic_timer_interrupt+0xdc/0x280
[   52.919171][    T0]  apic_timer_interrupt+0xf/0x20
[   52.924552][    T0]  __kcsan_setup_watchpoint+0x3b/0x500
[   52.930357][    T0]  __tsan_read1+0x2c/0x30
[   52.934817][    T0]  inet_gro_receive+0x195/0x800
[   52.939997][    T0]  dev_gro_receive+0xa05/0x1190
[   52.944936][    T0]  napi_gro_receive+0x7c/0x330
[   52.950607][    T0]  receive_buf+0x284/0x30b0
[   52.957006][    T0]  virtnet_poll+0x436/0x7d0
[   52.963615][    T0]  net_rx_action+0x3ae/0xa50
[   52.969030][    T0] 
[   52.971571][    T0] read to 0xffffffff85caf2d0 of 4 bytes by task 0 on cpu 1:
[   52.979924][    T0]  tick_nohz_next_event+0x1a4/0x380
[   52.985819][    T0]  tick_nohz_idle_stop_tick+0x3c2/0x670
[   52.994785][    T0]  do_idle+0x1e0/0x2c0
[   53.000138][    T0]  cpu_startup_entry+0x1b/0x20
[   53.007280][    T0]  start_secondary+0x207/0x260
[   53.014495][    T0]  secondary_startup_64+0xa4/0xb0
[   53.020996][    T0] 
[   53.023515][    T0] Reported by Kernel Concurrency Sanitizer on:
[   53.031192][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   53.039128][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.051208][    T0] ==================================================================
[   53.060932][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   53.069466][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   53.076937][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.091923][    T0] Call Trace:
[   53.095361][    T0]  dump_stack+0xf5/0x159
[   53.101747][    T0]  panic+0x209/0x639
[   53.106745][    T0]  ? vprintk_func+0x8d/0x140
[   53.112343][    T0]  kcsan_report.cold+0x57/0xeb
[   53.118092][    T0]  __kcsan_setup_watchpoint+0x342/0x500
[   53.124661][    T0]  __tsan_read4+0x2c/0x30
[   53.129610][    T0]  tick_nohz_next_event+0x1a4/0x380
[   53.135743][    T0]  tick_nohz_idle_stop_tick+0x3c2/0x670
[   53.143515][    T0]  ? __tsan_read4+0x2c/0x30
[   53.148980][    T0]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   53.155592][    T0]  do_idle+0x1e0/0x2c0
[   53.161283][    T0]  ? complete+0x44/0x50
[   53.166802][    T0]  cpu_startup_entry+0x1b/0x20
[   53.171933][    T0]  start_secondary+0x207/0x260
[   53.178027][    T0]  secondary_startup_64+0xa4/0xb0
[   53.186647][    T0] Kernel Offset: disabled
[   53.192167][    T0] Rebooting in 86400 seconds..