Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts.
2020/04/25 08:24:21 fuzzer started
2020/04/25 08:24:23 dialing manager at 10.128.0.105:43643
2020/04/25 08:24:28 syscalls: 2960
2020/04/25 08:24:28 code coverage: enabled
2020/04/25 08:24:28 comparison tracing: enabled
2020/04/25 08:24:28 extra coverage: enabled
2020/04/25 08:24:28 setuid sandbox: enabled
2020/04/25 08:24:28 namespace sandbox: enabled
2020/04/25 08:24:28 Android sandbox: /sys/fs/selinux/policy does not exist
2020/04/25 08:24:28 fault injection: enabled
2020/04/25 08:24:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/04/25 08:24:28 net packet injection: enabled
2020/04/25 08:24:28 net device setup: enabled
2020/04/25 08:24:28 concurrency sanitizer: enabled
2020/04/25 08:24:28 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/04/25 08:24:28 USB emulation: /dev/raw-gadget does not exist
[   52.184894][ T6729] KCSAN: could not find function: 'poll_schedule_timeout'
[   53.269906][ T6729] KCSAN: could not find function: '_find_next_bit'
2020/04/25 08:24:31 adding functions to KCSAN blacklist: 'poll_schedule_timeout' 'ext4_free_inodes_count' 'pcpu_alloc' 'xas_clear_mark' 'ext4_mark_iloc_dirty' 'ext4_handle_inode_extension' 'blk_mq_get_request' '_find_next_bit' 'tick_sched_do_timer' 'copy_process' 'mod_timer' 'ep_poll' 'blk_mq_dispatch_rq_list' '__ext4_new_inode' 'ext4_mb_good_group' 'do_nanosleep' 'generic_write_end' 'run_timer_softirq' 'echo_char' 'find_get_pages_range_tag' 
[  104.891140][    T0] ==================================================================
[  104.899378][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick
[  104.908298][    T0] 
[  104.910619][    T0] write to 0xffffffff85f0ef50 of 4 bytes by task 0 on cpu 1:
[  104.917984][    T0]  tick_nohz_idle_stop_tick+0x52c/0x680
[  104.923684][    T0]  do_idle+0x1ad/0x290
[  104.927760][    T0]  cpu_startup_entry+0x14/0x20
[  104.932504][    T0]  start_secondary+0x169/0x1b0
[  104.937257][    T0]  secondary_startup_64+0xa4/0xb0
[  104.942251][    T0] 
[  104.944563][    T0] read to 0xffffffff85f0ef50 of 4 bytes by task 0 on cpu 0:
[  104.951830][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[  104.957367][    T0]  do_idle+0x1ad/0x290
[  104.961432][    T0]  cpu_startup_entry+0x14/0x20
[  104.966174][    T0]  rest_init+0xe4/0xeb
[  104.970240][    T0]  arch_call_rest_init+0x13/0x2b
[  104.975169][    T0]  start_kernel+0x82d/0x852
[  104.979667][    T0]  secondary_startup_64+0xa4/0xb0
[  104.984671][    T0] 
[  104.988719][    T0] Reported by Kernel Concurrency Sanitizer on:
[  104.995584][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[  105.003447][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  105.013479][    T0] ==================================================================
[  105.021518][    T0] Kernel panic - not syncing: panic_on_warn set ...
[  105.028096][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc1-syzkaller #0
[  105.035970][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  105.046002][    T0] Call Trace:
[  105.049278][    T0]  dump_stack+0x11d/0x187
[  105.053590][    T0]  panic+0x210/0x640
[  105.057577][    T0]  ? vprintk_func+0x89/0x13a
[  105.062173][    T0]  kcsan_report.cold+0xc/0x1a
[  105.066845][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[  105.072202][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[  105.077750][    T0]  do_idle+0x1ad/0x290
[  105.081905][    T0]  ? debug_smp_processor_id+0x3a/0x129
[  105.087358][    T0]  cpu_startup_entry+0x14/0x20
[  105.092117][    T0]  rest_init+0xe4/0xeb
[  105.096179][    T0]  arch_call_rest_init+0x13/0x2b
[  105.101130][    T0]  start_kernel+0x82d/0x852
[  105.105647][    T0]  secondary_startup_64+0xa4/0xb0
[  105.112388][    T0] Kernel Offset: disabled
[  105.116708][    T0] Rebooting in 86400 seconds..