Warning: Permanently added '10.128.0.9' (ECDSA) to the list of known hosts.
2020/04/20 11:53:57 fuzzer started
2020/04/20 11:53:59 dialing manager at 10.128.0.105:38801
2020/04/20 11:54:19 syscalls: 2960
2020/04/20 11:54:19 code coverage: enabled
2020/04/20 11:54:19 comparison tracing: enabled
2020/04/20 11:54:19 extra coverage: enabled
2020/04/20 11:54:19 setuid sandbox: enabled
2020/04/20 11:54:19 namespace sandbox: enabled
2020/04/20 11:54:19 Android sandbox: /sys/fs/selinux/policy does not exist
2020/04/20 11:54:19 fault injection: enabled
2020/04/20 11:54:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/04/20 11:54:19 net packet injection: enabled
2020/04/20 11:54:19 net device setup: enabled
2020/04/20 11:54:19 concurrency sanitizer: enabled
2020/04/20 11:54:19 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/04/20 11:54:19 USB emulation: /dev/raw-gadget does not exist
syzkaller login: [   71.305257][ T6727] KCSAN: could not find function: '_find_next_bit'
2020/04/20 11:54:22 adding functions to KCSAN blacklist: 'generic_fillattr' 'ep_poll' 'blk_mq_dispatch_rq_list' 'mod_timer' 'echo_char' 'blk_mq_get_request' 'do_exit' 'find_get_pages_range_tag' 'blk_mq_sched_dispatch_requests' 'generic_write_end' 'tick_nohz_next_event' 'ext4_free_inodes_count' 'do_nanosleep' '_find_next_bit' 'kauditd_thread' 'dd_has_work' 'xas_find_marked' 'ktime_get_real_seconds' 'tick_sched_do_timer' 'run_timer_softirq' 'xas_clear_mark' 'copy_process' 'vm_area_dup' '__ext4_new_inode' 'wbt_issue' 'page_counter_charge' 'ext4_mark_iloc_dirty' 
[  217.170769][    T0] ==================================================================
[  217.179011][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_nohz_idle_stop_tick
[  217.187920][    T0] 
[  217.190238][    T0] write to 0xffffffff85f0ef50 of 4 bytes by task 0 on cpu 0:
[  217.197616][    T0]  tick_nohz_idle_stop_tick+0x52c/0x680
[  217.203176][    T0]  do_idle+0x1ad/0x290
[  217.207223][    T0]  cpu_startup_entry+0x14/0x20
[  217.212001][    T0]  rest_init+0xe4/0xeb
[  217.216063][    T0]  arch_call_rest_init+0x13/0x2b
[  217.220978][    T0]  start_kernel+0x82d/0x852
[  217.225459][    T0]  secondary_startup_64+0xa4/0xb0
[  217.230453][    T0] 
[  217.232772][    T0] read to 0xffffffff85f0ef50 of 4 bytes by task 0 on cpu 1:
[  217.240035][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[  217.245555][    T0]  do_idle+0x1ad/0x290
[  217.249611][    T0]  cpu_startup_entry+0x14/0x20
[  217.254367][    T0]  start_secondary+0x169/0x1b0
[  217.259109][    T0]  secondary_startup_64+0xa4/0xb0
[  217.264108][    T0] 
[  217.266409][    T0] Reported by Kernel Concurrency Sanitizer on:
[  217.272544][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[  217.280417][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  217.290456][    T0] ==================================================================
[  217.298522][    T0] Kernel panic - not syncing: panic_on_warn set ...
[  217.305089][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[  217.313910][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  217.323952][    T0] Call Trace:
[  217.327228][    T0]  dump_stack+0x11d/0x187
[  217.331542][    T0]  panic+0x210/0x640
[  217.335431][    T0]  ? vprintk_func+0x89/0x13a
[  217.340045][    T0]  kcsan_report.cold+0xc/0x1a
[  217.344745][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[  217.350109][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[  217.355654][    T0]  do_idle+0x1ad/0x290
[  217.359727][    T0]  cpu_startup_entry+0x14/0x20
[  217.364473][    T0]  start_secondary+0x169/0x1b0
[  217.369236][    T0]  secondary_startup_64+0xa4/0xb0
[  217.375441][    T0] Kernel Offset: disabled
[  217.379763][    T0] Rebooting in 86400 seconds..