Warning: Permanently added '10.128.1.2' (ECDSA) to the list of known hosts.
2020/06/12 15:07:28 fuzzer started
2020/06/12 15:07:28 dialing manager at 10.128.0.105:39483
2020/06/12 15:07:29 syscalls: 3085
2020/06/12 15:07:29 code coverage: enabled
2020/06/12 15:07:29 comparison tracing: enabled
2020/06/12 15:07:29 extra coverage: enabled
2020/06/12 15:07:29 setuid sandbox: enabled
2020/06/12 15:07:29 namespace sandbox: enabled
2020/06/12 15:07:29 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/12 15:07:29 fault injection: enabled
2020/06/12 15:07:29 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/12 15:07:29 net packet injection: enabled
2020/06/12 15:07:29 net device setup: enabled
2020/06/12 15:07:29 concurrency sanitizer: enabled
2020/06/12 15:07:29 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/12 15:07:29 USB emulation: enabled
syzkaller login: [   53.179918][ T8906] KCSAN: could not find function: '_find_next_bit'
[   55.141330][ T8906] KCSAN: could not find function: 'poll_schedule_timeout'
2020/06/12 15:07:35 adding functions to KCSAN blacklist: 'ext4_free_inodes_count' '__x64_sys_ptrace' 'wbt_issue' 'copy_process' '__ext4_new_inode' 'echo_char' 'ext4_writepages' 'ep_poll' 'xas_clear_mark' 'tick_nohz_idle_stop_tick' 'page_counter_charge' '_find_next_bit' '__snd_rawmidi_transmit_ack' 'do_exit' 'kcm_rfree' 'add_timer' 'futex_wait_queue_me' 'mod_timer' 'tick_sched_do_timer' 'blk_mq_dispatch_rq_list' 'poll_schedule_timeout' 'blk_mq_get_request' 'run_timer_softirq' 'ktime_get_real_seconds' '__mark_inode_dirty' 'do_signal_stop' 'kauditd_thread' 'do_syslog' 'pipe_double_lock' 'generic_fillattr' 'dd_has_work' 'audit_log_start' 'ktime_get_ts64' 'unix_release_sock' 'do_nanosleep' 'generic_write_end' 'find_get_pages_range_tag' 'ext4_mark_iloc_dirty' 'ktime_get_seconds' 'blk_mq_sched_dispatch_requests' 'complete_signal' 'generic_file_read_iter' '__add_to_page_cache_locked' 'pcpu_alloc' 'bond_start_xmit' 'io_sq_thread' 'step_into' 'file_update_time' 
[  182.250234][    C1] ==================================================================
[  182.258352][    C1] BUG: KCSAN: data-race in add_timer_on / timer_clear_idle
[  182.265517][    C1] 
[  182.267844][    C1] write to 0xffff88812c01dca4 of 1 bytes by task 0 on cpu 0:
[  182.275231][    C1]  timer_clear_idle+0x3d/0x50
[  182.279884][    C1]  __tick_nohz_idle_restart_tick+0x32/0x1a0
[  182.285765][    C1]  tick_nohz_idle_exit+0x19c/0x1d0
[  182.290847][    C1]  do_idle+0xac/0x290
[  182.294803][    C1]  cpu_startup_entry+0x14/0x20
[  182.299540][    C1]  rest_init+0xe4/0xeb
[  182.303584][    C1]  arch_call_rest_init+0x13/0x2b
[  182.309014][    C1]  start_kernel+0x7fe/0x823
[  182.313492][    C1]  secondary_startup_64+0xa4/0xb0
[  182.318518][    C1] 
[  182.320822][    C1] read to 0xffff88812c01dca4 of 1 bytes by interrupt on cpu 1:
[  182.328347][    C1]  add_timer_on+0x21f/0x2c0
[  182.332833][    C1]  clocksource_watchdog+0x699/0x7c0
[  182.338008][    C1]  call_timer_fn+0x58/0x2e0
[  182.342491][    C1]  run_timer_softirq+0xb14/0xbd0
[  182.347439][    C1]  __do_softirq+0x118/0x34a
[  182.351918][    C1]  run_ksoftirqd+0x41/0x60
[  182.356319][    C1]  smpboot_thread_fn+0x374/0x4a0
[  182.361234][    C1]  kthread+0x203/0x230
[  182.365323][    C1]  ret_from_fork+0x1f/0x30
[  182.369726][    C1] 
[  182.372115][    C1] Reported by Kernel Concurrency Sanitizer on:
[  182.378243][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.7.0-rc1-syzkaller #0
[  182.386361][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  182.396386][    C1] ==================================================================
[  182.404416][    C1] Kernel panic - not syncing: panic_on_warn set ...
[  182.410976][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.7.0-rc1-syzkaller #0
[  182.419103][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  182.429138][    C1] Call Trace:
[  182.432412][    C1]  dump_stack+0x11d/0x187
[  182.436721][    C1]  panic+0x210/0x640
[  182.440643][    C1]  ? vprintk_func+0x89/0x13a
[  182.445211][    C1]  kcsan_report.cold+0xc/0x1a
[  182.449879][    C1]  kcsan_setup_watchpoint+0x3fb/0x440
[  182.455249][    C1]  add_timer_on+0x21f/0x2c0
[  182.459815][    C1]  clocksource_watchdog+0x699/0x7c0
[  182.465011][    C1]  ? clocksource_select_watchdog+0x410/0x410
[  182.471050][    C1]  ? clocksource_select_watchdog+0x410/0x410
[  182.477008][    C1]  call_timer_fn+0x58/0x2e0
[  182.481489][    C1]  ? __sanitizer_cov_trace_switch+0x45/0x70
[  182.487361][    C1]  ? clocksource_select_watchdog+0x410/0x410
[  182.493317][    C1]  run_timer_softirq+0xb14/0xbd0
[  182.498321][    C1]  ? kvm_clock_read+0x14/0x30
[  182.502970][    C1]  ? kvm_sched_clock_read+0x5/0x10
[  182.508067][    C1]  ? sched_clock+0xf/0x20
[  182.512374][    C1]  ? sched_clock_cpu+0x10/0xd0
[  182.517128][    C1]  __do_softirq+0x118/0x34a
[  182.521612][    C1]  ? takeover_tasklets+0x240/0x240
[  182.526704][    C1]  run_ksoftirqd+0x41/0x60
[  182.531092][    C1]  smpboot_thread_fn+0x374/0x4a0
[  182.536004][    C1]  ? constant_test_bit.constprop.0+0x30/0x30
[  182.541967][    C1]  kthread+0x203/0x230
[  182.546018][    C1]  ? kthread_unpark+0xd0/0xd0
[  182.550687][    C1]  ret_from_fork+0x1f/0x30
[  183.623327][    C1] Shutting down cpus with NMI
[  183.629551][    C1] Kernel Offset: disabled
[  183.633874][    C1] Rebooting in 86400 seconds..