Warning: Permanently added '10.128.0.92' (ECDSA) to the list of known hosts.
2020/03/17 21:56:10 fuzzer started
2020/03/17 21:56:12 dialing manager at 10.128.0.105:36541
2020/03/17 21:56:15 syscalls: 2955
2020/03/17 21:56:15 code coverage: enabled
2020/03/17 21:56:15 comparison tracing: enabled
2020/03/17 21:56:15 extra coverage: enabled
2020/03/17 21:56:15 setuid sandbox: enabled
2020/03/17 21:56:15 namespace sandbox: enabled
2020/03/17 21:56:15 Android sandbox: /sys/fs/selinux/policy does not exist
2020/03/17 21:56:15 fault injection: enabled
2020/03/17 21:56:15 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/03/17 21:56:15 net packet injection: enabled
2020/03/17 21:56:15 net device setup: enabled
2020/03/17 21:56:15 concurrency sanitizer: enabled
2020/03/17 21:56:15 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/03/17 21:56:16 adding functions to KCSAN blacklist: 'ext4_nonda_switch' 'run_timer_softirq' 'generic_write_end' 'ep_poll' 'wbt_done' 'kauditd_thread' '__ext4_new_inode' 'find_get_pages_range_tag' 'do_syslog' 'copy_process' 'lruvec_lru_size' '_find_next_bit' 
syzkaller login: [   72.845457][ T7847] KCSAN: could not find function: '_find_next_bit'
[   98.772734][    T0] ==================================================================
[   98.780937][    T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_do_timer
[   98.789198][    T0] 
[   98.791543][    T0] write to 0xffffffff85d05610 of 4 bytes by interrupt on cpu 0:
[   98.799158][    T0]  tick_sched_do_timer+0xb4/0xd0
[   98.804073][    T0]  tick_sched_timer+0x3f/0xd0
[   98.808776][    T0]  __hrtimer_run_queues+0x271/0x600
[   98.813953][    T0]  hrtimer_interrupt+0x226/0x490
[   98.818889][    T0]  smp_apic_timer_interrupt+0xd8/0x270
[   98.824326][    T0]  apic_timer_interrupt+0xf/0x20
[   98.829243][    T0] 
[   98.831573][    T0] read to 0xffffffff85d05610 of 4 bytes by task 0 on cpu 1:
[   98.838842][    T0]  tick_nohz_next_event+0x192/0x350
[   98.844149][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[   98.849867][    T0]  do_idle+0x1ad/0x290
[   98.853964][    T0]  cpu_startup_entry+0x14/0x20
[   98.858722][    T0]  start_secondary+0x164/0x1b0
[   98.863508][    T0]  secondary_startup_64+0xa4/0xb0
[   98.868509][    T0] 
[   98.870816][    T0] Reported by Kernel Concurrency Sanitizer on:
[   98.876949][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc1-syzkaller #0
[   98.884817][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   98.894856][    T0] ==================================================================
[   98.902925][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   98.909496][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.6.0-rc1-syzkaller #0
[   98.917373][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   98.927407][    T0] Call Trace:
[   98.930721][    T0]  dump_stack+0x11d/0x187
[   98.935069][    T0]  panic+0x210/0x640
[   98.938983][    T0]  ? vprintk_func+0x89/0x13a
[   98.943560][    T0]  kcsan_report.cold+0xc/0x14
[   98.948271][    T0]  kcsan_setup_watchpoint+0x3e3/0x420
[   98.953638][    T0]  tick_nohz_next_event+0x192/0x350
[   98.958825][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[   98.964406][    T0]  ? ktime_get+0x1c9/0x210
[   98.968841][    T0]  ? debug_smp_processor_id+0x3f/0x129
[   98.974282][    T0]  do_idle+0x1ad/0x290
[   98.978353][    T0]  cpu_startup_entry+0x14/0x20
[   98.983097][    T0]  start_secondary+0x164/0x1b0
[   98.987843][    T0]  secondary_startup_64+0xa4/0xb0
[   98.994114][    T0] Kernel Offset: disabled
[   98.998458][    T0] Rebooting in 86400 seconds..