Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts.
2020/03/29 01:57:00 fuzzer started
2020/03/29 01:57:01 dialing manager at 10.128.0.105:35999
2020/03/29 01:57:02 syscalls: 2955
2020/03/29 01:57:02 code coverage: enabled
2020/03/29 01:57:02 comparison tracing: enabled
2020/03/29 01:57:02 extra coverage: enabled
2020/03/29 01:57:02 setuid sandbox: enabled
2020/03/29 01:57:02 namespace sandbox: enabled
2020/03/29 01:57:02 Android sandbox: /sys/fs/selinux/policy does not exist
2020/03/29 01:57:02 fault injection: enabled
2020/03/29 01:57:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/03/29 01:57:02 net packet injection: enabled
2020/03/29 01:57:02 net device setup: enabled
2020/03/29 01:57:02 concurrency sanitizer: enabled
2020/03/29 01:57:02 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   61.418913][ T7825] KCSAN: could not find function: '_find_next_bit'
2020/03/29 01:57:05 adding functions to KCSAN blacklist: 'ext4_has_free_clusters' 'generic_write_end' 'audit_log_start' 'do_syslog' 'pcpu_alloc' 'run_timer_softirq' '_find_next_bit' 'ext4_mark_iloc_dirty' 'shmem_file_read_iter' 'find_get_pages_range_tag' 'inode_permission' 'wbt_done' 'n_tty_receive_buf_common' 'filemap_map_pages' 'do_nanosleep' 'ext4_setattr' 'ep_poll' 'ext4_free_inodes_count' 'blk_mq_dispatch_rq_list' 'mod_timer' '__ext4_new_inode' 'ext4_set_iomap' 'tick_nohz_idle_stop_tick' 'blk_mq_get_request' 'lruvec_lru_size' 'percpu_counter_add_batch' 'blk_mq_sched_dispatch_requests' 'ext4_nonda_switch' 'xas_clear_mark' 'add_timer' 'kauditd_thread' 'alloc_pid' 
[  116.203843][    T0] ==================================================================
[  116.212282][    T0] BUG: KCSAN: data-race in tick_nohz_next_event / tick_sched_do_timer
[  116.220619][    T0] 
[  116.222971][    T0] write to 0xffffffff85d056d0 of 4 bytes by interrupt on cpu 1:
[  116.230613][    T0]  tick_sched_do_timer+0xb4/0xd0
[  116.235657][    T0]  tick_sched_timer+0x3f/0xd0
[  116.241332][    T0]  __hrtimer_run_queues+0x271/0x600
[  116.247061][    T0]  hrtimer_interrupt+0x226/0x490
[  116.252019][    T0]  smp_apic_timer_interrupt+0xd8/0x270
[  116.257744][    T0]  apic_timer_interrupt+0xf/0x20
[  116.262876][    T0]  kcsan_setup_watchpoint+0x25a/0x440
[  116.268443][    T0]  __nf_conntrack_find_get+0x52f/0x880
[  116.274186][    T0]  nf_conntrack_in+0x2db/0xa60
[  116.279555][    T0]  ipv4_conntrack_in+0x23/0x40
[  116.284559][    T0]  nf_hook_slow+0x7c/0x160
[  116.288978][    T0]  nf_hook_slow_list+0x140/0x29f
[  116.294938][    T0]  ip_sublist_rcv+0x4f9/0x530
[  116.299618][    T0]  ip_list_rcv+0x2f3/0x321
[  116.304109][    T0]  __netif_receive_skb_list_core+0x368/0x5c0
[  116.310243][    T0]  netif_receive_skb_list_internal+0x5c7/0x810
[  116.316526][    T0]  gro_normal_list.part.0+0x37/0xa0
[  116.322406][    T0]  gro_normal_one+0x14c/0x160
[  116.328224][    T0]  napi_gro_receive+0x27d/0x2f0
[  116.334043][    T0]  receive_buf+0x24e/0x2e20
[  116.338634][    T0]  virtnet_poll+0x343/0x790
[  116.344807][    T0]  net_rx_action+0x3ad/0xac0
[  116.349392][    T0]  __do_softirq+0x118/0x34a
[  116.353977][    T0]  run_ksoftirqd+0x41/0x60
[  116.358469][    T0]  smpboot_thread_fn+0x374/0x4a0
[  116.363501][    T0]  kthread+0x1cb/0x1f0
[  116.367675][    T0]  ret_from_fork+0x1f/0x30
[  116.372068][    T0] 
[  116.374485][    T0] read to 0xffffffff85d056d0 of 4 bytes by task 0 on cpu 0:
[  116.381994][    T0]  tick_nohz_next_event+0x192/0x350
[  116.387441][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[  116.392976][    T0]  do_idle+0x1ad/0x290
[  116.397128][    T0]  cpu_startup_entry+0x14/0x20
[  116.401899][    T0]  rest_init+0xe4/0xeb
[  116.405954][    T0]  arch_call_rest_init+0x13/0x2b
[  116.410886][    T0]  start_kernel+0xcc2/0xceb
[  116.415370][    T0]  secondary_startup_64+0xa4/0xb0
[  116.420363][    T0] 
[  116.422668][    T0] Reported by Kernel Concurrency Sanitizer on:
[  116.428801][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-syzkaller #0
[  116.436666][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  116.446698][    T0] ==================================================================
[  116.454743][    T0] Kernel panic - not syncing: panic_on_warn set ...
[  116.461318][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.6.0-rc1-syzkaller #0
[  116.469195][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  116.479333][    T0] Call Trace:
[  116.482625][    T0]  dump_stack+0x11d/0x187
[  116.486947][    T0]  panic+0x210/0x640
[  116.490827][    T0]  ? vprintk_func+0x89/0x13a
[  116.495405][    T0]  kcsan_report.cold+0xc/0xf
[  116.500058][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[  116.505508][    T0]  tick_nohz_next_event+0x192/0x350
[  116.510826][    T0]  tick_nohz_idle_stop_tick+0x3b9/0x680
[  116.516378][    T0]  ? ktime_get+0x1c9/0x210
[  116.520816][    T0]  ? debug_smp_processor_id+0x3f/0x129
[  116.526260][    T0]  do_idle+0x1ad/0x290
[  116.530320][    T0]  ? debug_smp_processor_id+0x3a/0x129
[  116.535765][    T0]  cpu_startup_entry+0x14/0x20
[  116.540524][    T0]  rest_init+0xe4/0xeb
[  116.544576][    T0]  arch_call_rest_init+0x13/0x2b
[  116.549504][    T0]  start_kernel+0xcc2/0xceb
[  116.553991][    T0]  secondary_startup_64+0xa4/0xb0
[  116.560331][    T0] Kernel Offset: disabled
[  116.564654][    T0] Rebooting in 86400 seconds..