Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts.
2019/10/23 19:41:36 fuzzer started
2019/10/23 19:41:38 dialing manager at 10.128.0.105:40369
2019/10/23 19:41:38 syscalls: 2524
2019/10/23 19:41:38 code coverage: enabled
2019/10/23 19:41:38 comparison tracing: enabled
2019/10/23 19:41:38 extra coverage: extra coverage is not supported by the kernel
2019/10/23 19:41:38 setuid sandbox: enabled
2019/10/23 19:41:38 namespace sandbox: enabled
2019/10/23 19:41:38 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/23 19:41:38 fault injection: enabled
2019/10/23 19:41:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/23 19:41:38 net packet injection: enabled
2019/10/23 19:41:38 net device setup: enabled
2019/10/23 19:41:38 concurrency sanitizer: enabled
syzkaller login: [   71.565756][ T7217] KCSAN: could not find function: 'poll_schedule_timeout'
2019/10/23 19:41:54 adding functions to KCSAN blacklist: 'copy_process' 'run_timer_softirq' 'common_perm_cond' 'add_timer' 'tick_nohz_idle_stop_tick' 'page_counter_try_charge' 'tick_sched_do_timer' '__ext4_new_inode' '__add_to_page_cache_locked' 'handle_userfault' 'sit_tunnel_xmit' 'commit_echoes' '__dentry_kill' 'task_dump_owner' 'hrtimer_wakeup' 'ext4_free_inodes_count' 'do_syslog' 'list_lru_count_one' '__nf_ct_refresh_acct' 'tcp_poll' 'fanotify_handle_event' 'atime_needs_update' 'generic_fillattr' 'handle_mm_fault' 'ipip_tunnel_xmit' 'tcp_add_backlog' 'ep_poll' 'dd_has_work' '__filemap_fdatawrite_range' 'pipe_wait' 'do_writev' 'osq_lock' 'pcpu_alloc' 'tick_do_update_jiffies64' 'ext4_writepages' 'kauditd_thread' 'do_wait' 'ns_capable_common' 'kvm_arch_vcpu_load' '__alloc_file' 'tomoyo_supervisor' 'generic_permission' 'ktime_get_real_seconds' 'echo_char' 'find_next_bit' 'ext4_nonda_switch' 'ksys_read' 'enqueue_timer' '__hrtimer_run_queues' 'mm_update_next_owner' 'n_tty_receive_buf_common' 'find_get_pages_range_tag' 'blk_mq_get_request' 'update_defense_level' 'timer_clear_idle' 'balance_dirty_pages' 'blk_mq_run_hw_queue' 'generic_write_end' 'wbt_issue' '__skb_wait_for_more_packets' '__snd_rawmidi_transmit_ack' 'bio_chain' '__mark_inode_dirty' 'taskstats_exit' 'ext4_free_inode' 'do_nanosleep' 'futex_wait_queue_me' 'shmem_file_read_iter' 'wbc_detach_inode' 'tomoyo_domain_quota_is_ok' 'mod_timer' 'ktime_get_seconds' 'snapshot_refaults' 'mem_cgroup_select_victim_node' 'pid_update_inode' 'vm_area_dup' 'rcu_gp_fqs_check_wake' 'ext4_mb_good_group' 'rcu_gp_fqs_loop' '__writeback_single_inode' 'blk_mq_dispatch_rq_list' 'pipe_poll' 'blk_mq_sched_dispatch_requests' 'perf_event_update_userpage' 'generic_update_time' 'process_srcu' 'wbt_wait' 'xas_find_marked' '__nf_conntrack_find_get' 'ext4_has_free_clusters' 'vti_tunnel_xmit' '__splice_from_pipe' 'poll_schedule_timeout' 'icmp_global_allow' 
[  120.379251][ T1061] ==================================================================
[  120.387404][ T1061] BUG: KCSAN: data-race in smpboot_thread_fn / watchdog
[  120.394335][ T1061] 
[  120.396664][ T1061] write to 0xffff88812b3a7090 of 8 bytes by task 16 on cpu 1:
[  120.404109][ T1061]  smpboot_thread_fn+0x32f/0x4a0
[  120.409040][ T1061]  kthread+0x1d4/0x200
[  120.413102][ T1061]  ret_from_fork+0x1f/0x30
[  120.417603][ T1061] 
[  120.419929][ T1061] read to 0xffff88812b3a7090 of 8 bytes by task 1061 on cpu 0:
[  120.427481][ T1061]  watchdog+0x2c3/0x7c0
[  120.431633][ T1061]  kthread+0x1d4/0x200
[  120.435693][ T1061]  ret_from_fork+0x1f/0x30
[  120.440094][ T1061] 
[  120.442408][ T1061] Reported by Kernel Concurrency Sanitizer on:
[  120.448556][ T1061] CPU: 0 PID: 1061 Comm: khungtaskd Not tainted 5.4.0-rc3+ #0
[  120.455999][ T1061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  120.466041][ T1061] ==================================================================
[  120.474100][ T1061] Kernel panic - not syncing: panic_on_warn set ...
[  120.480680][ T1061] CPU: 0 PID: 1061 Comm: khungtaskd Not tainted 5.4.0-rc3+ #0
[  120.488122][ T1061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  120.498174][ T1061] Call Trace:
[  120.501467][ T1061]  dump_stack+0xf5/0x159
[  120.505708][ T1061]  panic+0x210/0x640
[  120.509607][ T1061]  ? vprintk_func+0x8d/0x140
[  120.514198][ T1061]  kcsan_report.cold+0xc/0x10
[  120.518872][ T1061]  __kcsan_setup_watchpoint+0x32e/0x4a0
[  120.524416][ T1061]  __tsan_read8+0x2c/0x30
[  120.528741][ T1061]  watchdog+0x2c3/0x7c0
[  120.532901][ T1061]  kthread+0x1d4/0x200
[  120.536973][ T1061]  ? __read_once_size.constprop.0+0x20/0x20
[  120.542866][ T1061]  ? kthread_stop+0x2d0/0x2d0
[  120.547547][ T1061]  ret_from_fork+0x1f/0x30
[  120.553202][ T1061] Kernel Offset: disabled
[  120.557521][ T1061] Rebooting in 86400 seconds..