Warning: Permanently added '10.128.0.227' (ECDSA) to the list of known hosts.
2020/06/14 06:31:14 fuzzer started
2020/06/14 06:31:14 dialing manager at 10.128.0.105:38693
2020/06/14 06:31:14 syscalls: 3085
2020/06/14 06:31:14 code coverage: enabled
2020/06/14 06:31:14 comparison tracing: enabled
2020/06/14 06:31:14 extra coverage: enabled
2020/06/14 06:31:14 setuid sandbox: enabled
2020/06/14 06:31:14 namespace sandbox: enabled
2020/06/14 06:31:14 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/14 06:31:14 fault injection: enabled
2020/06/14 06:31:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/14 06:31:14 net packet injection: enabled
2020/06/14 06:31:14 net device setup: enabled
2020/06/14 06:31:14 concurrency sanitizer: enabled
2020/06/14 06:31:14 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/14 06:31:14 USB emulation: enabled
syzkaller login: [   50.909627][ T8920] KCSAN: could not find function: '_find_next_bit'
2020/06/14 06:31:19 adding functions to KCSAN blacklist: '__ext4_new_inode' 'do_nanosleep' 'blk_mq_get_request' '__ip6_datagram_connect' 'find_get_pages_range_tag' 'io_sq_thread' 'ktime_get_seconds' 'file_update_time' 'ext4_mark_iloc_dirty' 'generic_update_time' 'tick_sched_do_timer' '__perf_event_overflow' 'generic_write_end' 'add_timer' '_find_next_bit' 'copy_process' 'do_syslog' '__bpf_lru_node_move_in' 'ext4_free_inodes_count' 'blk_mq_dispatch_rq_list' 'run_timer_softirq' '__add_to_page_cache_locked' 'dd_has_work' 'kauditd_thread' '__x64_sys_ptrace' 'alloc_pid' 'generic_fillattr' 'page_counter_charge' 'ktime_get_real_seconds' 'sit_tunnel_xmit' 'echo_char' 'do_wait' 'filemap_map_pages' 'ep_poll' 'tick_nohz_idle_stop_tick' 'pcpu_alloc' 'blk_mq_sched_dispatch_requests' 'yama_ptracer_del' '__mark_inode_dirty' '__send_signal' 'futex_wait_queue_me' 'xas_clear_mark' 'mod_timer' 
[   64.847229][    C0] ==================================================================
[   64.855350][    C0] BUG: KCSAN: data-race in add_timer_on / timer_clear_idle
[   64.862651][    C0] 
[   64.864969][    C0] write to 0xffff88812c11dca4 of 1 bytes by task 0 on cpu 1:
[   64.872323][    C0]  timer_clear_idle+0x3d/0x50
[   64.876986][    C0]  __tick_nohz_idle_restart_tick+0x32/0x1a0
[   64.882861][    C0]  tick_nohz_idle_exit+0x19c/0x1d0
[   64.888045][    C0]  do_idle+0xac/0x290
[   64.892017][    C0]  cpu_startup_entry+0x14/0x20
[   64.896772][    C0]  start_secondary+0x169/0x1b0
[   64.901977][    C0]  secondary_startup_64+0xa4/0xb0
[   64.907057][    C0] 
[   64.909379][    C0] read to 0xffff88812c11dca4 of 1 bytes by interrupt on cpu 0:
[   64.916903][    C0]  add_timer_on+0x21f/0x2c0
[   64.921385][    C0]  clocksource_watchdog+0x699/0x7c0
[   64.926559][    C0]  call_timer_fn+0x58/0x2e0
[   64.931055][    C0]  run_timer_softirq+0xb14/0xbd0
[   64.935982][    C0]  __do_softirq+0x118/0x34a
[   64.940461][    C0]  run_ksoftirqd+0x41/0x60
[   64.944977][    C0]  smpboot_thread_fn+0x374/0x4a0
[   64.949903][    C0]  kthread+0x203/0x230
[   64.953968][    C0]  ret_from_fork+0x1f/0x30
[   64.958364][    C0] 
[   64.960667][    C0] Reported by Kernel Concurrency Sanitizer on:
[   64.966902][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.7.0-rc1-syzkaller #0
[   64.975046][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   64.986390][    C0] ==================================================================
[   64.994438][    C0] Kernel panic - not syncing: panic_on_warn set ...
[   65.001017][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.7.0-rc1-syzkaller #0
[   65.009055][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   65.019082][    C0] Call Trace:
[   65.022413][    C0]  dump_stack+0x11d/0x187
[   65.026732][    C0]  panic+0x210/0x640
[   65.030739][    C0]  ? vprintk_func+0x89/0x13a
[   65.035335][    C0]  kcsan_report.cold+0xc/0x1a
[   65.039997][    C0]  kcsan_setup_watchpoint+0x3fb/0x440
[   65.045367][    C0]  add_timer_on+0x21f/0x2c0
[   65.049868][    C0]  clocksource_watchdog+0x699/0x7c0
[   65.055070][    C0]  ? clocksource_select_watchdog+0x410/0x410
[   65.061032][    C0]  ? clocksource_select_watchdog+0x410/0x410
[   65.067075][    C0]  call_timer_fn+0x58/0x2e0
[   65.071703][    C0]  ? __sanitizer_cov_trace_switch+0x45/0x70
[   65.077778][    C0]  ? clocksource_select_watchdog+0x410/0x410
[   65.083739][    C0]  run_timer_softirq+0xb14/0xbd0
[   65.088679][    C0]  ? __rcu_read_lock+0x3c/0x50
[   65.093436][    C0]  ? kvm_clock_read+0x14/0x30
[   65.098089][    C0]  ? kvm_sched_clock_read+0x5/0x10
[   65.103196][    C0]  ? sched_clock+0xf/0x20
[   65.107504][    C0]  ? sched_clock_cpu+0x10/0xd0
[   65.112256][    C0]  __do_softirq+0x118/0x34a
[   65.116751][    C0]  ? takeover_tasklets+0x240/0x240
[   65.121838][    C0]  run_ksoftirqd+0x41/0x60
[   65.126233][    C0]  smpboot_thread_fn+0x374/0x4a0
[   65.131168][    C0]  ? constant_test_bit.constprop.0+0x30/0x30
[   65.137126][    C0]  kthread+0x203/0x230
[   65.141194][    C0]  ? kthread_unpark+0xd0/0xd0
[   65.145849][    C0]  ret_from_fork+0x1f/0x30
[   66.222674][    C0] Shutting down cpus with NMI
[   66.228890][    C0] Kernel Offset: disabled
[   66.233210][    C0] Rebooting in 86400 seconds..