Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts.
2020/05/09 14:08:29 fuzzer started
2020/05/09 14:08:30 dialing manager at 10.128.0.105:40747
2020/05/09 14:08:30 syscalls: 3055
2020/05/09 14:08:30 code coverage: enabled
2020/05/09 14:08:30 comparison tracing: enabled
2020/05/09 14:08:30 extra coverage: enabled
2020/05/09 14:08:30 setuid sandbox: enabled
2020/05/09 14:08:30 namespace sandbox: enabled
2020/05/09 14:08:30 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/09 14:08:30 fault injection: enabled
2020/05/09 14:08:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/09 14:08:30 net packet injection: enabled
2020/05/09 14:08:30 net device setup: enabled
2020/05/09 14:08:30 concurrency sanitizer: enabled
2020/05/09 14:08:30 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/09 14:08:30 USB emulation: enabled
2020/05/09 14:08:31 adding functions to KCSAN blacklist: 'ep_poll' 'kauditd_thread' 'mod_timer' '__filemap_fdatawrite_range' 'page_counter_charge' 'generic_write_end' '_find_next_bit' 
syzkaller login: [   54.354834][ T8917] KCSAN: could not find function: '_find_next_bit'
[   62.179262][ T1928] ==================================================================
[   62.187483][ T1928] BUG: KCSAN: data-race in futex_wait_queue_me / watchdog
[   62.194710][ T1928] 
[   62.197039][ T1928] write to 0xffff888129cf8010 of 8 bytes by task 8902 on cpu 0:
[   62.204658][ T1928]  futex_wait_queue_me+0x1f5/0x290
[   62.209766][ T1928]  futex_wait+0x17e/0x3a0
[   62.214097][ T1928]  do_futex+0xe2/0x15b0
[   62.218257][ T1928]  __x64_sys_futex+0x2dc/0x410
[   62.223028][ T1928]  do_syscall_64+0xc7/0x3b0
[   62.227515][ T1928]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   62.233396][ T1928] 
[   62.235753][ T1928] read to 0xffff888129cf8010 of 8 bytes by task 1928 on cpu 1:
[   62.243313][ T1928]  watchdog+0x2b8/0x960
[   62.247555][ T1928]  kthread+0x203/0x230
[   62.251607][ T1928]  ret_from_fork+0x1f/0x30
[   62.256005][ T1928] 
[   62.258344][ T1928] Reported by Kernel Concurrency Sanitizer on:
[   62.264526][ T1928] CPU: 1 PID: 1928 Comm: khungtaskd Not tainted 5.7.0-rc1-syzkaller #0
[   62.272791][ T1928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   62.282845][ T1928] ==================================================================
[   62.290916][ T1928] Kernel panic - not syncing: panic_on_warn set ...
[   62.297595][ T1928] CPU: 1 PID: 1928 Comm: khungtaskd Not tainted 5.7.0-rc1-syzkaller #0
[   62.305815][ T1928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   62.315863][ T1928] Call Trace:
[   62.319166][ T1928]  dump_stack+0x11d/0x187
[   62.323489][ T1928]  panic+0x210/0x640
[   62.327373][ T1928]  ? vprintk_func+0x89/0x13a
[   62.331951][ T1928]  kcsan_report.cold+0xc/0x1a
[   62.336618][ T1928]  kcsan_setup_watchpoint+0x3fb/0x440
[   62.341992][ T1928]  watchdog+0x2b8/0x960
[   62.346160][ T1928]  ? constant_test_bit+0xd/0x30
[   62.351030][ T1928]  ? __read_once_size.constprop.0+0x20/0x20
[   62.356960][ T1928]  kthread+0x203/0x230
[   62.361041][ T1928]  ? kthread_unpark+0xd0/0xd0
[   62.365740][ T1928]  ret_from_fork+0x1f/0x30
[   62.371164][ T1928] Kernel Offset: disabled
[   62.375486][ T1928] Rebooting in 86400 seconds..