Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts.
2020/05/25 16:52:01 fuzzer started
2020/05/25 16:52:01 dialing manager at 10.128.0.105:40969
2020/05/25 16:52:01 syscalls: 3055
2020/05/25 16:52:01 code coverage: enabled
2020/05/25 16:52:01 comparison tracing: enabled
2020/05/25 16:52:01 extra coverage: enabled
2020/05/25 16:52:01 setuid sandbox: enabled
2020/05/25 16:52:01 namespace sandbox: enabled
2020/05/25 16:52:01 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/25 16:52:01 fault injection: enabled
2020/05/25 16:52:01 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/25 16:52:01 net packet injection: enabled
2020/05/25 16:52:01 net device setup: enabled
2020/05/25 16:52:01 concurrency sanitizer: enabled
2020/05/25 16:52:01 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/25 16:52:01 USB emulation: enabled
syzkaller login: [   54.945820][ T8920] KCSAN: could not find function: '_find_next_bit'
[   55.548062][ T8920] KCSAN: could not find function: 'poll_schedule_timeout'
2020/05/25 16:52:07 adding functions to KCSAN blacklist: 'dd_has_work' 'blk_mq_dispatch_rq_list' 'blk_mq_get_request' 'page_counter_charge' 'pcpu_alloc' '__snd_rawmidi_transmit_ack' 'wbt_done' 'generic_write_end' 'copy_process' 'mod_timer' 'iput' '_find_next_bit' 'poll_schedule_timeout' '__ext4_new_inode' 'xas_clear_mark' 'kauditd_thread' 'add_timer' 'fasync_remove_entry' 'audit_log_start' 'do_nanosleep' 'tick_sched_do_timer' 'ktime_get_real_seconds' 'find_get_pages_range_tag' 'run_timer_softirq' 'xas_find_marked' 'ext4_free_inodes_count' '__add_to_page_cache_locked' 'echo_char' 'generic_fillattr' 'ep_poll' 'kcm_rfree' 'inet_put_port' 
[  156.526966][    T0] ==================================================================
[  156.535277][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_next_event
[  156.543940][    T0] 
[  156.546274][    T0] write to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 1:
[  156.553658][    T0]  tick_nohz_idle_stop_tick+0x52c/0x680
[  156.559203][    T0]  do_idle+0x1ad/0x290
[  156.563296][    T0]  cpu_startup_entry+0x14/0x20
[  156.568059][    T0]  start_secondary+0x169/0x1b0
[  156.572822][    T0]  secondary_startup_64+0xa4/0xb0
[  156.577830][    T0] 
[  156.580156][    T0] read to 0xffffffff8764e210 of 4 bytes by task 0 on cpu 0:
[  156.587469][    T0]  tick_nohz_next_event+0x181/0x340
[  156.592671][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[  156.598225][    T0]  do_idle+0x1ad/0x290
[  156.602302][    T0]  cpu_startup_entry+0x14/0x20
[  156.607062][    T0]  rest_init+0xe4/0xeb
[  156.611155][    T0]  arch_call_rest_init+0x13/0x2b
[  156.616097][    T0]  start_kernel+0x7fe/0x823
[  156.620684][    T0]  secondary_startup_64+0xa4/0xb0
[  156.625690][    T0] 
[  156.628004][    T0] Reported by Kernel Concurrency Sanitizer on:
[  156.635717][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[  156.643615][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  156.653689][    T0] ==================================================================
[  156.662535][    T0] Kernel panic - not syncing: panic_on_warn set ...
[  156.669136][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[  156.677122][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  156.687206][    T0] Call Trace:
[  156.690520][    T0]  dump_stack+0x11d/0x187
[  156.694876][    T0]  panic+0x210/0x640
[  156.698887][    T0]  ? vprintk_func+0x89/0x13a
[  156.703520][    T0]  kcsan_report.cold+0xc/0x1a
[  156.708305][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[  156.713694][    T0]  tick_nohz_next_event+0x181/0x340
[  156.718933][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[  156.724672][    T0]  ? rcu_dynticks_eqs_exit+0x2c/0x60
[  156.729955][    T0]  ? debug_smp_processor_id+0x3f/0x129
[  156.735520][    T0]  do_idle+0x1ad/0x290
[  156.739596][    T0]  ? debug_smp_processor_id+0x3a/0x129
[  156.745097][    T0]  cpu_startup_entry+0x14/0x20
[  156.749869][    T0]  rest_init+0xe4/0xeb
[  156.753965][    T0]  ? trace_init_perf_perm_irq_work_exit+0xe/0xe
[  156.760229][    T0]  arch_call_rest_init+0x13/0x2b
[  156.765174][    T0]  start_kernel+0x7fe/0x823
[  156.769779][    T0]  secondary_startup_64+0xa4/0xb0
[  156.776284][    T0] Kernel Offset: disabled
[  156.780621][    T0] Rebooting in 86400 seconds..