Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts.
2020/06/06 02:17:01 fuzzer started
2020/06/06 02:17:01 dialing manager at 10.128.0.105:35423
2020/06/06 02:17:06 syscalls: 3055
2020/06/06 02:17:06 code coverage: enabled
2020/06/06 02:17:06 comparison tracing: enabled
2020/06/06 02:17:06 extra coverage: enabled
2020/06/06 02:17:06 setuid sandbox: enabled
2020/06/06 02:17:06 namespace sandbox: enabled
2020/06/06 02:17:06 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/06 02:17:06 fault injection: enabled
2020/06/06 02:17:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/06 02:17:06 net packet injection: enabled
2020/06/06 02:17:06 net device setup: enabled
2020/06/06 02:17:06 concurrency sanitizer: enabled
2020/06/06 02:17:06 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/06 02:17:06 USB emulation: enabled
syzkaller login: [   57.795246][ T8933] KCSAN: could not find function: '_find_next_bit'
2020/06/06 02:17:09 adding functions to KCSAN blacklist: 'copy_process' 'generic_write_end' '_find_next_bit' 'do_nanosleep' '__ext4_new_inode' 'echo_char' 'find_get_pages_range_tag' 'shmem_file_read_iter' 'blk_mq_request_bypass_insert' '__mark_inode_dirty' 'add_timer' 'ktime_get_real_seconds' 'alloc_pid' 'ep_poll' '__send_signal' 'dd_has_work' 'mod_timer' 'run_timer_softirq' 'wbt_done' 'futex_wait_queue_me' 
[   96.957028][    T0] ==================================================================
[   96.965307][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_sched_do_timer
[   96.973800][    T0] 
[   96.976155][    T0] write to 0xffffffff8764e210 of 4 bytes by interrupt on cpu 1:
[   96.984088][    T0]  tick_sched_do_timer+0xb4/0xd0
[   96.989075][    T0]  tick_sched_timer+0x3f/0xd0
[   96.993782][    T0]  __hrtimer_run_queues+0x271/0x600
[   96.998974][    T0]  hrtimer_interrupt+0x226/0x490
[   97.003904][    T0]  smp_apic_timer_interrupt+0xd8/0x270
[   97.009343][    T0]  apic_timer_interrupt+0xf/0x20
[   97.014268][    T0] 
[   97.016587][    T0] read to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 0:
[   97.023868][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[   97.029399][    T0]  do_idle+0x1ad/0x290
[   97.033463][    T0]  cpu_startup_entry+0x14/0x20
[   97.038203][    T0]  rest_init+0xe4/0xeb
[   97.042341][    T0]  arch_call_rest_init+0x13/0x2b
[   97.047393][    T0]  start_kernel+0x7fe/0x823
[   97.052166][    T0]  secondary_startup_64+0xa4/0xb0
[   97.057172][    T0] 
[   97.059476][    T0] Reported by Kernel Concurrency Sanitizer on:
[   97.065607][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[   97.073476][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   97.083505][    T0] ==================================================================
[   97.091549][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   97.098326][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[   97.106324][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   97.116480][    T0] Call Trace:
[   97.119768][    T0]  dump_stack+0x11d/0x187
[   97.124078][    T0]  panic+0x210/0x640
[   97.128057][    T0]  ? vprintk_func+0x89/0x13a
[   97.132635][    T0]  kcsan_report.cold+0xc/0x1a
[   97.137295][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[   97.142665][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[   97.148190][    T0]  do_idle+0x1ad/0x290
[   97.152237][    T0]  ? debug_smp_processor_id+0x3a/0x129
[   97.157703][    T0]  cpu_startup_entry+0x14/0x20
[   97.162597][    T0]  rest_init+0xe4/0xeb
[   97.166678][    T0]  ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[   97.173263][    T0]  arch_call_rest_init+0x13/0x2b
[   97.178196][    T0]  start_kernel+0x7fe/0x823
[   97.182962][    T0]  secondary_startup_64+0xa4/0xb0
[   97.189495][    T0] Kernel Offset: disabled
[   97.193984][    T0] Rebooting in 86400 seconds..