Warning: Permanently added '10.128.0.228' (ECDSA) to the list of known hosts.
2020/05/28 13:26:05 fuzzer started
2020/05/28 13:26:05 dialing manager at 10.128.0.105:45675
2020/05/28 13:26:06 syscalls: 3055
2020/05/28 13:26:06 code coverage: enabled
2020/05/28 13:26:06 comparison tracing: enabled
2020/05/28 13:26:06 extra coverage: enabled
2020/05/28 13:26:06 setuid sandbox: enabled
2020/05/28 13:26:06 namespace sandbox: enabled
2020/05/28 13:26:06 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/28 13:26:06 fault injection: enabled
2020/05/28 13:26:06 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/28 13:26:06 net packet injection: enabled
2020/05/28 13:26:06 net device setup: enabled
2020/05/28 13:26:06 concurrency sanitizer: enabled
2020/05/28 13:26:06 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/28 13:26:06 USB emulation: enabled
syzkaller login: [   51.628122][ T8917] KCSAN: could not find function: '_find_next_bit'
2020/05/28 13:26:08 adding functions to KCSAN blacklist: 'echo_char' 'blk_mq_dispatch_rq_list' 'mod_timer' '_find_next_bit' '__ext4_new_inode' 'ext4_mb_find_by_goal' 'blk_mq_sched_dispatch_requests' 'ktime_get_real_seconds' 'complete_signal' 'do_nanosleep' '__send_signal' 'find_get_pages_range_tag' 'kauditd_thread' 'wbt_done' 'do_exit' 'ep_poll' 'page_counter_charge' 'xas_clear_mark' 'tick_sched_do_timer' 'alloc_pid' 'generic_write_end' 'copy_process' 'run_timer_softirq' 
[  130.624188][    T0] ==================================================================
[  130.632320][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_next_event
[  130.640900][    T0] 
[  130.643228][    T0] write to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 0:
[  130.650597][    T0]  tick_nohz_idle_stop_tick+0x52c/0x680
[  130.656131][    T0]  do_idle+0x1ad/0x290
[  130.660179][    T0]  cpu_startup_entry+0x14/0x20
[  130.666053][    T0]  rest_init+0xe4/0xeb
[  130.670149][    T0]  arch_call_rest_init+0x13/0x2b
[  130.675066][    T0]  start_kernel+0x7fe/0x823
[  130.679545][    T0]  secondary_startup_64+0xa4/0xb0
[  130.684651][    T0] 
[  130.686996][    T0] read to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 1:
[  130.694251][    T0]  tick_nohz_next_event+0x181/0x340
[  130.699440][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[  130.704981][    T0]  do_idle+0x1ad/0x290
[  130.709046][    T0]  cpu_startup_entry+0x14/0x20
[  130.713799][    T0]  start_secondary+0x169/0x1b0
[  130.718546][    T0]  secondary_startup_64+0xa4/0xb0
[  130.723542][    T0] 
[  130.725860][    T0] Reported by Kernel Concurrency Sanitizer on:
[  130.732030][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[  130.739915][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  130.749952][    T0] ==================================================================
[  130.758018][    T0] Kernel panic - not syncing: panic_on_warn set ...
[  130.764609][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[  130.772477][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  130.782508][    T0] Call Trace:
[  130.785788][    T0]  dump_stack+0x11d/0x187
[  130.790104][    T0]  panic+0x210/0x640
[  130.794007][    T0]  ? vprintk_func+0x89/0x13a
[  130.798593][    T0]  kcsan_report.cold+0xc/0x1a
[  130.803304][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[  130.808691][    T0]  tick_nohz_next_event+0x181/0x340
[  130.813861][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[  130.819397][    T0]  ? rcu_dynticks_eqs_exit+0x2c/0x60
[  130.824674][    T0]  ? debug_smp_processor_id+0x3f/0x129
[  130.830130][    T0]  do_idle+0x1ad/0x290
[  130.834199][    T0]  ? debug_smp_processor_id+0x3a/0x129
[  130.839652][    T0]  cpu_startup_entry+0x14/0x20
[  130.844405][    T0]  start_secondary+0x169/0x1b0
[  130.849159][    T0]  secondary_startup_64+0xa4/0xb0
[  130.855354][    T0] Kernel Offset: disabled
[  130.859691][    T0] Rebooting in 86400 seconds..