Warning: Permanently added '10.128.0.231' (ECDSA) to the list of known hosts.
2019/10/10 16:15:19 fuzzer started
2019/10/10 16:15:21 dialing manager at 10.128.0.105:34287
2019/10/10 16:15:21 syscalls: 2523
2019/10/10 16:15:21 code coverage: enabled
2019/10/10 16:15:21 comparison tracing: enabled
2019/10/10 16:15:21 extra coverage: extra coverage is not supported by the kernel
2019/10/10 16:15:21 setuid sandbox: enabled
2019/10/10 16:15:21 namespace sandbox: enabled
2019/10/10 16:15:21 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/10 16:15:21 fault injection: enabled
2019/10/10 16:15:21 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/10 16:15:21 net packet injection: enabled
2019/10/10 16:15:21 net device setup: enabled
2019/10/10 16:15:21 concurrency sanitizer: enabled
syzkaller login: [   50.151054][    T0] ==================================================================
[   50.159459][    T0] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64
[   50.168629][    T0] 
[   50.170970][    T0] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0:
[   50.178705][    T0]  tick_do_update_jiffies64+0x105/0x260
[   50.184747][    T0]  tick_sched_do_timer+0xd4/0xe0
[   50.189846][    T0]  tick_sched_timer+0x43/0xe0
[   50.194549][    T0]  __hrtimer_run_queues+0x288/0x600
[   50.199810][    T0]  hrtimer_interrupt+0x22a/0x480
[   50.204983][    T0]  smp_apic_timer_interrupt+0xdc/0x280
[   50.210635][    T0]  apic_timer_interrupt+0xf/0x20
[   50.215583][    T0]  __kcsan_check_watchpoint+0xed/0x180
[   50.221189][    T0]  __tsan_write4+0x18/0x40
[   50.225719][    T0]  prep_new_page+0x1b6/0x200
[   50.230611][    T0]  get_page_from_freelist+0x1e18/0x2300
[   50.236436][    T0]  __alloc_pages_nodemask+0x255/0x4d0
[   50.242038][    T0]  alloc_pages_vma+0x15b/0x2b0
[   50.246810][    T0]  __handle_mm_fault+0x17ac/0x2d00
[   50.252220][    T0] 
[   50.254567][    T0] read to 0xffffffff8603f008 of 8 bytes by task 0 on cpu 1:
[   50.262648][    T0]  tick_do_update_jiffies64+0x2b/0x260
[   50.268303][    T0]  __tick_nohz_idle_restart_tick+0x31/0x1b0
[   50.274501][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   50.279967][    T0]  do_idle+0xb0/0x2c0
[   50.283976][    T0]  cpu_startup_entry+0x1b/0x20
[   50.291262][    T0]  start_secondary+0x207/0x260
[   50.296129][    T0]  secondary_startup_64+0xa4/0xb0
[   50.301294][    T0] 
[   50.304723][    T0] Reported by Kernel Concurrency Sanitizer on:
[   50.310987][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   50.317887][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.328031][    T0] ==================================================================
[   50.337659][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   50.344895][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   50.351917][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.362316][    T0] Call Trace:
[   50.365712][    T0]  dump_stack+0xf5/0x159
[   50.370083][    T0]  panic+0x209/0x639
[   50.374024][    T0]  ? vprintk_func+0x8d/0x140
[   50.378711][    T0]  kcsan_report.cold+0xc/0x1b
[   50.383397][    T0]  __kcsan_setup_watchpoint+0x3ee/0x510
[   50.389036][    T0]  __tsan_read8+0x2c/0x30
[   50.393658][    T0]  tick_do_update_jiffies64+0x2b/0x260
[   50.399524][    T0]  __tick_nohz_idle_restart_tick+0x31/0x1b0
[   50.405671][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   50.410973][    T0]  do_idle+0xb0/0x2c0
[   50.415052][    T0]  cpu_startup_entry+0x1b/0x20
[   50.419916][    T0]  start_secondary+0x207/0x260
[   50.424964][    T0]  secondary_startup_64+0xa4/0xb0
[   50.432194][    T0] Kernel Offset: disabled
[   50.436834][    T0] Rebooting in 86400 seconds..