Warning: Permanently added '10.128.0.171' (ECDSA) to the list of known hosts.
2019/11/07 15:08:03 fuzzer started
2019/11/07 15:08:05 dialing manager at 10.128.0.105:36923
2019/11/07 15:08:05 syscalls: 2553
2019/11/07 15:08:05 code coverage: enabled
2019/11/07 15:08:05 comparison tracing: enabled
2019/11/07 15:08:05 extra coverage: extra coverage is not supported by the kernel
2019/11/07 15:08:05 setuid sandbox: enabled
2019/11/07 15:08:05 namespace sandbox: enabled
2019/11/07 15:08:05 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/07 15:08:05 fault injection: enabled
2019/11/07 15:08:05 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/07 15:08:05 net packet injection: enabled
2019/11/07 15:08:05 net device setup: enabled
2019/11/07 15:08:05 concurrency sanitizer: enabled
2019/11/07 15:08:05 devlink PCI setup: PCI device 0000:00:10.0 is not available
2019/11/07 15:08:07 adding functions to KCSAN blacklist: 'find_get_pages_range_tag' 'ktime_get_seconds' 'ep_poll' 'run_timer_softirq' 'tomoyo_supervisor' 'find_next_bit' 'ktime_get_real_seconds' 'task_dump_owner' 'pid_update_inode' 'generic_permission' '__splice_from_pipe' 'tcp_add_backlog' 'generic_write_end' 'ext4_free_inode' 'dd_has_work' '__hrtimer_run_queues' 'tick_nohz_next_event' 
syzkaller login: [   72.203301][    T0] ==================================================================
[   72.211452][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_sched_do_timer
[   72.219923][    T0] 
[   72.222238][    T0] write to 0xffffffff85cb26d0 of 4 bytes by interrupt on cpu 0:
[   72.229877][    T0]  tick_sched_do_timer+0xc0/0xe0
[   72.234800][    T0]  tick_sched_timer+0x43/0xe0
[   72.239458][    T0]  __hrtimer_run_queues+0x274/0x5f0
[   72.244646][    T0]  hrtimer_interrupt+0x22a/0x480
[   72.249653][    T0]  smp_apic_timer_interrupt+0xdc/0x280
[   72.255153][    T0]  apic_timer_interrupt+0xf/0x20
[   72.260167][    T0]  _raw_spin_unlock_irq+0x4e/0x80
[   72.265235][    T0]  finish_task_switch+0x7b/0x260
[   72.270201][    T0]  __schedule+0x319/0x640
[   72.274517][    T0]  schedule_idle+0x27/0x40
[   72.278935][    T0]  do_idle+0xc9/0x280
[   72.282917][    T0]  cpu_startup_entry+0x1b/0x20
[   72.287688][    T0]  rest_init+0xec/0xf6
[   72.291743][    T0]  arch_call_rest_init+0x17/0x37
[   72.296663][    T0]  start_kernel+0x838/0x85e
[   72.301153][    T0]  x86_64_start_reservations+0x29/0x2b
[   72.306595][    T0]  x86_64_start_kernel+0x72/0x76
[   72.311531][    T0]  secondary_startup_64+0xa4/0xb0
[   72.316534][    T0] 
[   72.318847][    T0] read to 0xffffffff85cb26d0 of 4 bytes by task 0 on cpu 1:
[   72.326115][    T0]  tick_nohz_idle_stop_tick+0x193/0x670
[   72.331753][    T0]  do_idle+0x1a5/0x280
[   72.335826][    T0]  cpu_startup_entry+0x1b/0x20
[   72.340636][    T0]  start_secondary+0x208/0x260
[   72.345388][    T0]  secondary_startup_64+0xa4/0xb0
[   72.350384][    T0] 
[   72.352688][    T0] Reported by Kernel Concurrency Sanitizer on:
[   72.358823][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc6+ #0
[   72.365909][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   72.375945][    T0] ==================================================================
[   72.383986][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   72.390569][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc6+ #0
[   72.397652][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   72.407687][    T0] Call Trace:
[   72.410967][    T0]  dump_stack+0xf5/0x159
[   72.415312][    T0]  panic+0x210/0x640
[   72.419193][    T0]  ? vprintk_func+0x8d/0x140
[   72.423786][    T0]  kcsan_report.cold+0xc/0xe
[   72.428367][    T0]  kcsan_setup_watchpoint+0x3fe/0x410
[   72.433724][    T0]  __tsan_read4+0x145/0x1f0
[   72.438214][    T0]  tick_nohz_idle_stop_tick+0x193/0x670
[   72.443763][    T0]  ? debug_smp_processor_id+0x4c/0x172
[   72.449227][    T0]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   72.455456][    T0]  do_idle+0x1a5/0x280
[   72.459519][    T0]  ? complete+0x44/0x50
[   72.463665][    T0]  cpu_startup_entry+0x1b/0x20
[   72.468415][    T0]  start_secondary+0x208/0x260
[   72.473170][    T0]  secondary_startup_64+0xa4/0xb0
[   72.479584][    T0] Kernel Offset: disabled
[   72.484004][    T0] Rebooting in 86400 seconds..