Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts.
2019/10/13 11:50:15 fuzzer started
2019/10/13 11:50:16 dialing manager at 10.128.0.105:40973
2019/10/13 11:50:16 syscalls: 2523
2019/10/13 11:50:16 code coverage: enabled
2019/10/13 11:50:16 comparison tracing: enabled
2019/10/13 11:50:16 extra coverage: extra coverage is not supported by the kernel
2019/10/13 11:50:16 setuid sandbox: enabled
2019/10/13 11:50:16 namespace sandbox: enabled
2019/10/13 11:50:16 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/13 11:50:16 fault injection: enabled
2019/10/13 11:50:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/13 11:50:16 net packet injection: enabled
2019/10/13 11:50:16 net device setup: enabled
2019/10/13 11:50:16 concurrency sanitizer: enabled
syzkaller login: [   47.820607][    T0] ==================================================================
[   47.828765][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_sched_do_timer
[   47.837256][    T0] 
[   47.839587][    T0] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0:
[   47.847236][    T0]  tick_sched_do_timer+0xc0/0xe0
[   47.852193][    T0]  tick_sched_timer+0x43/0xe0
[   47.856886][    T0]  __hrtimer_run_queues+0x288/0x600
[   47.862097][    T0]  hrtimer_interrupt+0x22a/0x480
[   47.867045][    T0]  smp_apic_timer_interrupt+0xdc/0x280
[   47.872511][    T0]  apic_timer_interrupt+0xf/0x20
[   47.877458][    T0] 
[   47.879791][    T0] read to 0xffffffff85caf310 of 4 bytes by task 0 on cpu 1:
[   47.887081][    T0]  tick_nohz_idle_stop_tick+0x193/0x670
[   47.893327][    T0]  do_idle+0x1e0/0x2c0
[   47.897396][    T0]  cpu_startup_entry+0x1b/0x20
[   47.902204][    T0]  start_secondary+0x207/0x260
[   47.906964][    T0]  secondary_startup_64+0xa4/0xb0
[   47.911973][    T0] 
[   47.914286][    T0] Reported by Kernel Concurrency Sanitizer on:
[   47.920436][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   47.927203][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.937281][    T0] ==================================================================
[   47.945347][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   47.951957][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   47.958714][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.968763][    T0] Call Trace:
[   47.972055][    T0]  dump_stack+0xf5/0x159
[   47.976295][    T0]  panic+0x209/0x639
[   47.980205][    T0]  ? vprintk_func+0x8d/0x140
[   47.984808][    T0]  kcsan_report.cold+0xc/0x1b
[   47.989500][    T0]  __kcsan_setup_watchpoint+0x3ee/0x510
[   47.995046][    T0]  __tsan_read4+0x2c/0x30
[   47.999378][    T0]  tick_nohz_idle_stop_tick+0x193/0x670
[   48.004937][    T0]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   48.011195][    T0]  do_idle+0x1e0/0x2c0
[   48.015277][    T0]  ? complete+0x44/0x50
[   48.019444][    T0]  cpu_startup_entry+0x1b/0x20
[   48.024219][    T0]  start_secondary+0x207/0x260
[   48.028998][    T0]  secondary_startup_64+0xa4/0xb0
[   48.035785][    T0] Kernel Offset: disabled
[   48.040123][    T0] Rebooting in 86400 seconds..