Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts.
2020/03/30 11:43:29 fuzzer started
2020/03/30 11:43:30 dialing manager at 10.128.0.105:36669
2020/03/30 11:43:41 syscalls: 2955
2020/03/30 11:43:41 code coverage: enabled
2020/03/30 11:43:41 comparison tracing: enabled
2020/03/30 11:43:41 extra coverage: enabled
2020/03/30 11:43:41 setuid sandbox: enabled
2020/03/30 11:43:41 namespace sandbox: enabled
2020/03/30 11:43:41 Android sandbox: /sys/fs/selinux/policy does not exist
2020/03/30 11:43:41 fault injection: enabled
2020/03/30 11:43:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/03/30 11:43:41 net packet injection: enabled
2020/03/30 11:43:41 net device setup: enabled
2020/03/30 11:43:41 concurrency sanitizer: enabled
2020/03/30 11:43:41 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   76.729736][ T7839] KCSAN: could not find function: '_find_next_bit'
[   77.630527][ T7839] KCSAN: could not find function: 'poll_schedule_timeout'
2020/03/30 11:43:45 adding functions to KCSAN blacklist: 'mod_timer' 'shmem_getpage_gfp' 'ext4_has_free_clusters' '_find_next_bit' 'lruvec_lru_size' 'ext4_free_inodes_count' 'blk_mq_dispatch_rq_list' 'blk_mq_get_request' 'poll_schedule_timeout' 'kauditd_thread' '__ext4_new_inode' 'wbt_done' 'run_timer_softirq' 'tick_nohz_next_event' 'echo_char' 'add_timer' 'find_get_pages_range_tag' 'blk_mq_sched_dispatch_requests' 'wbt_issue' 'tick_sched_do_timer' '__find_get_block' 'generic_write_end' 'xas_clear_mark' 'pcpu_alloc' 'snd_seq_prioq_cell_out' 'ext4_nonda_switch' 'ep_poll' 'do_syslog' 'ext4_mark_iloc_dirty' 'generic_file_read_iter' 'audit_log_start' 'copy_process' 
[  135.825946][    C0] ==================================================================
[  135.834090][    C0] BUG: KCSAN: data-race in add_timer_on / timer_clear_idle
[  135.841267][    C0] 
[  135.843614][    C0] write to 0xffff88812c11dbe4 of 1 bytes by task 0 on cpu 1:
[  135.851240][    C0]  timer_clear_idle+0x3d/0x50
[  135.856013][    C0]  __tick_nohz_idle_restart_tick+0x32/0x1a0
[  135.861900][    C0]  tick_nohz_idle_exit+0x19c/0x1d0
[  135.866997][    C0]  do_idle+0xac/0x290
[  135.870974][    C0]  cpu_startup_entry+0x14/0x20
[  135.875805][    C0]  start_secondary+0x164/0x1b0
[  135.880679][    C0]  secondary_startup_64+0xa4/0xb0
[  135.885678][    C0] 
[  135.887989][    C0] read to 0xffff88812c11dbe4 of 1 bytes by interrupt on cpu 0:
[  135.895522][    C0]  add_timer_on+0x21f/0x2c0
[  135.900006][    C0]  clocksource_watchdog+0x699/0x7c0
[  135.905195][    C0]  call_timer_fn+0x58/0x2e0
[  135.909937][    C0]  run_timer_softirq+0xb14/0xbd0
[  135.914854][    C0]  __do_softirq+0x118/0x34a
[  135.919510][    C0]  run_ksoftirqd+0x41/0x60
[  135.923906][    C0]  smpboot_thread_fn+0x374/0x4a0
[  135.928909][    C0]  kthread+0x1cb/0x1f0
[  135.932958][    C0]  ret_from_fork+0x1f/0x30
[  135.937350][    C0] 
[  135.939674][    C0] Reported by Kernel Concurrency Sanitizer on:
[  135.945981][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.6.0-rc1-syzkaller #0
[  135.954159][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  135.964306][    C0] ==================================================================
[  135.972375][    C0] Kernel panic - not syncing: panic_on_warn set ...
[  135.979036][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.6.0-rc1-syzkaller #0
[  135.987085][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  135.997133][    C0] Call Trace:
[  136.000419][    C0]  dump_stack+0x11d/0x187
[  136.004787][    C0]  panic+0x210/0x640
[  136.008693][    C0]  ? vprintk_func+0x89/0x13a
[  136.013269][    C0]  kcsan_report.cold+0xc/0xf
[  136.017932][    C0]  kcsan_setup_watchpoint+0x3fb/0x440
[  136.023303][    C0]  add_timer_on+0x21f/0x2c0
[  136.027813][    C0]  clocksource_watchdog+0x699/0x7c0
[  136.033017][    C0]  ? clocksource_select_watchdog+0x410/0x410
[  136.039119][    C0]  ? clocksource_select_watchdog+0x410/0x410
[  136.045114][    C0]  call_timer_fn+0x58/0x2e0
[  136.050572][    C0]  ? __sanitizer_cov_trace_switch+0x45/0x70
[  136.056454][    C0]  ? clocksource_select_watchdog+0x410/0x410
[  136.062418][    C0]  run_timer_softirq+0xb14/0xbd0
[  136.067356][    C0]  ? __rcu_read_lock+0x3c/0x50
[  136.072117][    C0]  ? kvm_clock_read+0x14/0x30
[  136.076774][    C0]  ? kvm_sched_clock_read+0x5/0x10
[  136.081965][    C0]  ? sched_clock+0xf/0x20
[  136.086302][    C0]  ? sched_clock_cpu+0x10/0xd0
[  136.091059][    C0]  __do_softirq+0x118/0x34a
[  136.095550][    C0]  ? takeover_tasklets+0x240/0x240
[  136.100645][    C0]  run_ksoftirqd+0x41/0x60
[  136.105076][    C0]  smpboot_thread_fn+0x374/0x4a0
[  136.110538][    C0]  ? constant_test_bit.constprop.0+0x30/0x30
[  136.116603][    C0]  kthread+0x1cb/0x1f0
[  136.120672][    C0]  ? kthread_unpark+0xd0/0xd0
[  136.125338][    C0]  ret_from_fork+0x1f/0x30
[  137.207535][    C0] Shutting down cpus with NMI
[  137.213749][    C0] Kernel Offset: disabled
[  137.218093][    C0] Rebooting in 86400 seconds..