Warning: Permanently added '10.128.0.246' (ECDSA) to the list of known hosts.
2019/12/12 05:27:29 fuzzer started
2019/12/12 05:27:31 dialing manager at 10.128.0.105:39821
2019/12/12 05:27:31 syscalls: 2689
2019/12/12 05:27:31 code coverage: enabled
2019/12/12 05:27:31 comparison tracing: enabled
2019/12/12 05:27:31 extra coverage: extra coverage is not supported by the kernel
2019/12/12 05:27:31 setuid sandbox: enabled
2019/12/12 05:27:31 namespace sandbox: enabled
2019/12/12 05:27:31 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/12 05:27:31 fault injection: enabled
2019/12/12 05:27:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/12 05:27:31 net packet injection: enabled
2019/12/12 05:27:31 net device setup: enabled
2019/12/12 05:27:31 concurrency sanitizer: enabled
2019/12/12 05:27:31 devlink PCI setup: PCI device 0000:00:10.0 is not available
2019/12/12 05:27:33 adding functions to KCSAN blacklist: 'ext4_free_inode' 'generic_write_end' 'tomoyo_supervisor' 'vm_area_dup' 'mod_timer' 'pipe_wait' '__hrtimer_run_queues' 'xas_clear_mark' 'tcp_add_backlog' 'find_next_bit' 'lruvec_lru_size' 'tick_do_update_jiffies64' 'blk_mq_get_request' 
syzkaller login: [   58.972560][    T0] ==================================================================
[   58.981179][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_sched_do_timer
[   58.989697][    T0] 
[   58.992032][    T0] write to 0xffffffff85cb3ad0 of 4 bytes by interrupt on cpu 0:
[   58.999729][    T0]  tick_sched_do_timer+0xc0/0xe0
[   59.004661][    T0]  tick_sched_timer+0x43/0xe0
[   59.009328][    T0]  __hrtimer_run_queues+0x274/0x5f0
[   59.014646][    T0]  hrtimer_interrupt+0x22a/0x480
[   59.019672][    T0]  smp_apic_timer_interrupt+0xdc/0x280
[   59.025207][    T0]  apic_timer_interrupt+0xf/0x20
[   59.030119][    T0] 
[   59.032442][    T0] read to 0xffffffff85cb3ad0 of 4 bytes by task 0 on cpu 1:
[   59.039921][    T0]  tick_nohz_idle_stop_tick+0x193/0x670
[   59.045456][    T0]  do_idle+0x1a5/0x280
[   59.049520][    T0]  cpu_startup_entry+0x1b/0x20
[   59.054285][    T0]  start_secondary+0x168/0x1b0
[   59.059057][    T0]  secondary_startup_64+0xa4/0xb0
[   59.064071][    T0] 
[   59.066381][    T0] Reported by Kernel Concurrency Sanitizer on:
[   59.072553][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-syzkaller #0
[   59.080082][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.090141][    T0] ==================================================================
[   59.098212][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   59.104815][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-syzkaller #0
[   59.112360][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.122433][    T0] Call Trace:
[   59.125753][    T0]  dump_stack+0x11d/0x181
[   59.130108][    T0]  panic+0x210/0x640
[   59.134036][    T0]  ? vprintk_func+0x8d/0x140
[   59.138644][    T0]  kcsan_report.cold+0xc/0xd
[   59.143243][    T0]  kcsan_setup_watchpoint+0x3fe/0x460
[   59.148617][    T0]  __tsan_read4+0xc6/0x100
[   59.153034][    T0]  tick_nohz_idle_stop_tick+0x193/0x670
[   59.158596][    T0]  ? debug_smp_processor_id+0x4c/0x172
[   59.164167][    T0]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   59.170936][    T0]  do_idle+0x1a5/0x280
[   59.175024][    T0]  ? complete+0x44/0x50
[   59.179209][    T0]  cpu_startup_entry+0x1b/0x20
[   59.184142][    T0]  start_secondary+0x168/0x1b0
[   59.188922][    T0]  secondary_startup_64+0xa4/0xb0
[   59.195502][    T0] Kernel Offset: disabled
[   59.200074][    T0] Rebooting in 86400 seconds..