Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts.
2020/05/13 11:02:10 fuzzer started
2020/05/13 11:02:11 dialing manager at 10.128.0.105:36659
2020/05/13 11:02:11 syscalls: 3055
2020/05/13 11:02:11 code coverage: enabled
2020/05/13 11:02:11 comparison tracing: enabled
2020/05/13 11:02:11 extra coverage: enabled
2020/05/13 11:02:11 setuid sandbox: enabled
2020/05/13 11:02:11 namespace sandbox: enabled
2020/05/13 11:02:11 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/13 11:02:11 fault injection: enabled
2020/05/13 11:02:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/13 11:02:11 net packet injection: enabled
2020/05/13 11:02:11 net device setup: enabled
2020/05/13 11:02:11 concurrency sanitizer: enabled
2020/05/13 11:02:11 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/13 11:02:11 USB emulation: enabled
syzkaller login: [   47.551881][ T8932] KCSAN: could not find function: '_find_next_bit'
2020/05/13 11:02:14 adding functions to KCSAN blacklist: 'ep_poll' '__lru_cache_add' 'run_timer_softirq' 'blk_mq_dispatch_rq_list' 'audit_log_start' 'find_get_pages_range_tag' '_find_next_bit' 'blk_mq_sched_dispatch_requests' 'wbt_issue' 'xas_clear_mark' 'pipe_double_lock' 'copy_process' 'ktime_get_real_seconds' '__ext4_new_inode' 'page_counter_charge' 'generic_write_end' 'echo_char' '__inet_hash_connect' 'do_nanosleep' 'mod_timer' 'tick_nohz_next_event' 
[   54.802163][    T0] ==================================================================
[   54.810292][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick
[   54.819204][    T0] 
[   54.821531][    T0] write to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 1:
[   54.828896][    T0]  tick_nohz_idle_stop_tick+0x52c/0x680
[   54.834432][    T0]  do_idle+0x1ad/0x290
[   54.838494][    T0]  cpu_startup_entry+0x14/0x20
[   54.843253][    T0]  start_secondary+0x169/0x1b0
[   54.848011][    T0]  secondary_startup_64+0xa4/0xb0
[   54.853013][    T0] 
[   54.855336][    T0] read to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 0:
[   54.862620][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[   54.868158][    T0]  do_idle+0x1ad/0x290
[   54.872224][    T0]  cpu_startup_entry+0x14/0x20
[   54.876976][    T0]  rest_init+0xe4/0xeb
[   54.881029][    T0]  arch_call_rest_init+0x13/0x2b
[   54.885938][    T0]  start_kernel+0x7fe/0x823
[   54.890413][    T0]  secondary_startup_64+0xa4/0xb0
[   54.895441][    T0] 
[   54.897739][    T0] Reported by Kernel Concurrency Sanitizer on:
[   54.903902][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[   54.911844][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.921893][    T0] ==================================================================
[   54.929927][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   54.936489][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[   54.944345][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   54.954380][    T0] Call Trace:
[   54.957665][    T0]  dump_stack+0x11d/0x187
[   54.961979][    T0]  panic+0x210/0x640
[   54.965861][    T0]  ? vprintk_func+0x89/0x13a
[   54.970440][    T0]  kcsan_report.cold+0xc/0x1a
[   54.975093][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[   54.980444][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[   54.985968][    T0]  do_idle+0x1ad/0x290
[   54.990013][    T0]  ? debug_smp_processor_id+0x3a/0x129
[   54.995447][    T0]  cpu_startup_entry+0x14/0x20
[   55.000185][    T0]  rest_init+0xe4/0xeb
[   55.004237][    T0]  ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[   55.010453][    T0]  arch_call_rest_init+0x13/0x2b
[   55.015364][    T0]  start_kernel+0x7fe/0x823
[   55.019846][    T0]  secondary_startup_64+0xa4/0xb0
[   55.025975][    T0] Kernel Offset: disabled
[   55.030299][    T0] Rebooting in 86400 seconds..