Warning: Permanently added '10.128.0.14' (ECDSA) to the list of known hosts.
2020/03/04 15:05:32 fuzzer started
2020/03/04 15:05:34 dialing manager at 10.128.0.105:46507
2020/03/04 15:05:34 syscalls: 2955
2020/03/04 15:05:34 code coverage: enabled
2020/03/04 15:05:34 comparison tracing: enabled
2020/03/04 15:05:34 extra coverage: enabled
2020/03/04 15:05:34 setuid sandbox: enabled
2020/03/04 15:05:34 namespace sandbox: enabled
2020/03/04 15:05:34 Android sandbox: /sys/fs/selinux/policy does not exist
2020/03/04 15:05:34 fault injection: enabled
2020/03/04 15:05:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/03/04 15:05:34 net packet injection: enabled
2020/03/04 15:05:34 net device setup: enabled
2020/03/04 15:05:34 concurrency sanitizer: enabled
2020/03/04 15:05:34 devlink PCI setup: PCI device 0000:00:10.0 is not available
syzkaller login: [   58.313167][ T7756] KCSAN: could not find function: 'poll_schedule_timeout'
[   59.015301][ T7756] KCSAN: could not find function: '_find_next_bit'
2020/03/04 15:05:39 adding functions to KCSAN blacklist: 'do_syslog' 'tick_nohz_idle_stop_tick' 'do_nanosleep' 'xas_clear_mark' 'shmem_file_read_iter' 'wbt_issue' 'copy_process' 'do_signal_stop' 'pcpu_alloc' '__filemap_fdatawrite_range' 'find_get_pages_range_tag' 'ext4_nonda_switch' 'generic_file_read_iter' 'generic_write_end' 'run_timer_softirq' 'dd_has_work' '__find_get_block' 'ep_poll' 'add_timer' 'do_exit' 'generic_update_time' 'wbt_wait' 'mod_timer' '__ext4_new_inode' 'tick_sched_do_timer' 'audit_log_start' 'poll_schedule_timeout' 'generic_fillattr' 'blk_mq_sched_dispatch_requests' 'shmem_getpage_gfp' '_find_next_bit' 'blk_mq_dispatch_rq_list' 'ktime_get_ts64' 'kauditd_thread' 'ktime_get_real_seconds' 'blk_mq_get_request' 'xas_find_marked' 'wbt_done' 'ext4_free_inodes_count' 
[  265.044322][  T626] ==================================================================
[  265.052502][  T626] BUG: KCSAN: data-race in schedule_hrtimeout_range_clock / watchdog
[  265.060583][  T626] 
[  265.062894][  T626] write to 0xffff88812a86d0d0 of 8 bytes by task 7740 on cpu 0:
[  265.070507][  T626]  schedule_hrtimeout_range_clock+0x14f/0x1f0
[  265.076574][  T626]  schedule_hrtimeout_range+0x30/0x50
[  265.081943][  T626]  poll_schedule_timeout.constprop.0+0x71/0xc0
[  265.088076][  T626]  do_select+0xd7e/0x1020
[  265.092385][  T626]  core_sys_select+0x2c7/0x5f0
[  265.097129][  T626]  do_pselect.constprop.0+0x125/0x160
[  265.102491][  T626]  __x64_sys_pselect6+0x12a/0x160
[  265.107518][  T626]  do_syscall_64+0xc7/0x390
[  265.112009][  T626]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  265.117871][  T626] 
[  265.120181][  T626] read to 0xffff88812a86d0d0 of 8 bytes by task 626 on cpu 1:
[  265.127613][  T626]  watchdog+0x2b8/0x960
[  265.131751][  T626]  kthread+0x1cb/0x1f0
[  265.135808][  T626]  ret_from_fork+0x1f/0x30
[  265.140191][  T626] 
[  265.142497][  T626] Reported by Kernel Concurrency Sanitizer on:
[  265.148635][  T626] CPU: 1 PID: 626 Comm: khungtaskd Not tainted 5.6.0-rc1-syzkaller #0
[  265.156761][  T626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.166810][  T626] ==================================================================
[  265.184320][  T626] Kernel panic - not syncing: panic_on_warn set ...
[  265.190897][  T626] CPU: 1 PID: 626 Comm: khungtaskd Not tainted 5.6.0-rc1-syzkaller #0
[  265.199026][  T626] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  265.209065][  T626] Call Trace:
[  265.212349][  T626]  dump_stack+0x11d/0x187
[  265.216668][  T626]  panic+0x210/0x640
[  265.220550][  T626]  ? vprintk_func+0x89/0x13a
[  265.225125][  T626]  kcsan_report.cold+0xc/0x14
[  265.229791][  T626]  kcsan_setup_watchpoint+0x304/0x400
[  265.235145][  T626]  watchdog+0x2b8/0x960
[  265.239285][  T626]  ? constant_test_bit+0xd/0x30
[  265.244119][  T626]  ? __read_once_size.constprop.0+0x20/0x20
[  265.250038][  T626]  kthread+0x1cb/0x1f0
[  265.254095][  T626]  ? kthread_unpark+0xd0/0xd0
[  265.258764][  T626]  ret_from_fork+0x1f/0x30
[  265.264239][  T626] Kernel Offset: disabled
[  265.268565][  T626] Rebooting in 86400 seconds..