Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts.
2020/05/26 23:29:36 fuzzer started
2020/05/26 23:29:36 dialing manager at 10.128.0.105:37123
2020/05/26 23:29:36 syscalls: 3055
2020/05/26 23:29:36 code coverage: enabled
2020/05/26 23:29:36 comparison tracing: enabled
2020/05/26 23:29:36 extra coverage: enabled
2020/05/26 23:29:36 setuid sandbox: enabled
2020/05/26 23:29:36 namespace sandbox: enabled
2020/05/26 23:29:36 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/26 23:29:36 fault injection: enabled
2020/05/26 23:29:36 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/26 23:29:36 net packet injection: enabled
2020/05/26 23:29:36 net device setup: enabled
2020/05/26 23:29:36 concurrency sanitizer: enabled
2020/05/26 23:29:36 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/26 23:29:36 USB emulation: enabled
[   51.397477][ T8915] KCSAN: could not find function: 'poll_schedule_timeout'
[   52.872708][ T8915] KCSAN: could not find function: '_find_next_bit'
2020/05/26 23:29:41 adding functions to KCSAN blacklist: '__delete_from_page_cache' 'page_counter_charge' 'ep_poll' 'do_signal_stop' 'generic_fillattr' 'poll_schedule_timeout' 'install_new_memslots' 'mod_timer' 'ext4_free_inodes_count' 'io_sq_thread' 'wbt_issue' 'dd_has_work' 'ktime_get_real_seconds' 'get_signal' 'shmem_file_read_iter' 'blk_mq_dispatch_rq_list' 'hrtimer_interrupt' '_find_next_bit' 'run_timer_softirq' 'shmem_getpage_gfp' 'ext4_mark_iloc_dirty' 'copy_process' 'do_exit' 'kauditd_thread' '__ext4_new_inode' 'echo_char' 'blk_mq_get_request' 'atime_needs_update' 'tick_sched_do_timer' 'xas_clear_mark' 'add_timer' 'tick_nohz_idle_stop_tick' 'blk_mq_sched_dispatch_requests' '__add_to_page_cache_locked' 'futex_wait_queue_me' 'file_update_time' 'find_get_pages_range_tag' 'generic_write_end' '__mpage_writepage' 'do_nanosleep' 
[  205.514078][ T1925] ==================================================================
[  205.522362][ T1925] BUG: KCSAN: data-race in schedule_hrtimeout_range_clock / watchdog
[  205.530398][ T1925] 
[  205.532706][ T1925] write to 0xffff888124894090 of 8 bytes by task 8899 on cpu 1:
[  205.540462][ T1925]  schedule_hrtimeout_range_clock+0x14f/0x1f0
[  205.546574][ T1925]  schedule_hrtimeout_range+0x30/0x50
[  205.552071][ T1925]  poll_schedule_timeout.constprop.0+0x71/0xc0
[  205.558209][ T1925]  do_select+0xd7e/0x1020
[  205.562529][ T1925]  core_sys_select+0x2c7/0x5f0
[  205.567268][ T1925]  do_pselect.constprop.0+0x125/0x160
[  205.572614][ T1925]  __x64_sys_pselect6+0x12a/0x160
[  205.577613][ T1925]  do_syscall_64+0xc7/0x3b0
[  205.582105][ T1925]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[  205.587970][ T1925] 
[  205.590281][ T1925] read to 0xffff888124894090 of 8 bytes by task 1925 on cpu 0:
[  205.597808][ T1925]  watchdog+0x2b8/0x960
[  205.601944][ T1925]  kthread+0x203/0x230
[  205.605995][ T1925]  ret_from_fork+0x1f/0x30
[  205.610378][ T1925] 
[  205.612679][ T1925] Reported by Kernel Concurrency Sanitizer on:
[  205.618826][ T1925] CPU: 0 PID: 1925 Comm: khungtaskd Not tainted 5.7.0-rc1-syzkaller #0
[  205.627033][ T1925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  205.637267][ T1925] ==================================================================
[  205.645391][ T1925] Kernel panic - not syncing: panic_on_warn set ...
[  205.652074][ T1925] CPU: 0 PID: 1925 Comm: khungtaskd Not tainted 5.7.0-rc1-syzkaller #0
[  205.660300][ T1925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  205.670344][ T1925] Call Trace:
[  205.673617][ T1925]  dump_stack+0x11d/0x187
[  205.677944][ T1925]  panic+0x210/0x640
[  205.681929][ T1925]  ? vprintk_func+0x89/0x13a
[  205.686502][ T1925]  kcsan_report.cold+0xc/0x1a
[  205.691164][ T1925]  kcsan_setup_watchpoint+0x3fb/0x440
[  205.696524][ T1925]  watchdog+0x2b8/0x960
[  205.700667][ T1925]  ? __read_once_size.constprop.0+0x20/0x20
[  205.706648][ T1925]  kthread+0x203/0x230
[  205.710705][ T1925]  ? kthread_unpark+0xd0/0xd0
[  205.715359][ T1925]  ret_from_fork+0x1f/0x30
[  205.720993][ T1925] Kernel Offset: disabled
[  205.725335][ T1925] Rebooting in 86400 seconds..