Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts.
2020/04/15 17:45:22 fuzzer started
2020/04/15 17:45:24 dialing manager at 10.128.0.105:45511
2020/04/15 17:45:24 syscalls: 2960
2020/04/15 17:45:24 code coverage: enabled
2020/04/15 17:45:24 comparison tracing: enabled
2020/04/15 17:45:24 extra coverage: enabled
2020/04/15 17:45:24 setuid sandbox: enabled
2020/04/15 17:45:24 namespace sandbox: enabled
2020/04/15 17:45:24 Android sandbox: /sys/fs/selinux/policy does not exist
2020/04/15 17:45:24 fault injection: enabled
2020/04/15 17:45:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/04/15 17:45:24 net packet injection: enabled
2020/04/15 17:45:24 net device setup: enabled
2020/04/15 17:45:24 concurrency sanitizer: enabled
2020/04/15 17:45:24 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/04/15 17:45:24 USB emulation: /dev/raw-gadget does not exist
[   49.243477][ T6733] KCSAN: could not find function: '_find_next_bit'
2020/04/15 17:45:25 adding functions to KCSAN blacklist: '_find_next_bit' 'generic_fillattr' 'generic_write_end' 'shmem_file_read_iter' 'blk_mq_get_request' 'blk_mq_dispatch_rq_list' 'find_get_pages_range_tag' 'ep_poll' 'pcpu_alloc' '__ext4_new_inode' 'page_counter_charge' 
[   67.052506][    T0] ==================================================================
[   67.061135][    T0] BUG: KCSAN: data-race in tick_nohz_idle_stop_tick / tick_sched_do_timer
[   67.070336][    T0] 
[   67.072952][    T0] write to 0xffffffff85f0ef50 of 4 bytes by interrupt on cpu 0:
[   67.080914][    T0]  tick_sched_do_timer+0xb4/0xd0
[   67.085849][    T0]  tick_sched_timer+0x3f/0xd0
[   67.090610][    T0]  __hrtimer_run_queues+0x271/0x600
[   67.095806][    T0]  hrtimer_interrupt+0x226/0x490
[   67.101220][    T0]  smp_apic_timer_interrupt+0xd8/0x270
[   67.106681][    T0]  apic_timer_interrupt+0xf/0x20
[   67.112157][    T0]  __sanitizer_cov_trace_switch+0x37/0x70
[   67.118177][    T0]  __read_once_size+0x20/0x110
[   67.123168][    T0]  __tcp_select_window+0xac/0x550
[   67.128343][    T0]  __tcp_transmit_skb+0x6e0/0x1c80
[   67.133588][    T0]  tcp_write_xmit+0x5a3/0x31e0
[   67.138346][    T0]  __tcp_push_pending_frames+0x72/0x1b0
[   67.143885][    T0]  tcp_push+0x1ec/0x3e0
[   67.148122][    T0]  tcp_sendmsg_locked+0x1de3/0x20f0
[   67.153473][    T0]  tcp_sendmsg+0x35/0x50
[   67.157849][    T0]  inet_sendmsg+0x69/0x90
[   67.162174][    T0]  sock_sendmsg+0x98/0xc0
[   67.166632][    T0]  sock_write_iter+0x186/0x240
[   67.171442][    T0]  new_sync_write+0x303/0x400
[   67.176112][    T0]  __vfs_write+0x9e/0xb0
[   67.180360][    T0]  vfs_write+0x189/0x380
[   67.184648][    T0]  ksys_write+0x16a/0x1a0
[   67.188971][    T0]  __x64_sys_write+0x49/0x60
[   67.193650][    T0]  do_syscall_64+0xc7/0x3b0
[   67.198336][    T0]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   67.204267][    T0] 
[   67.206593][    T0] read to 0xffffffff85f0ef50 of 4 bytes by task 0 on cpu 1:
[   67.213869][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[   67.219666][    T0]  do_idle+0x1ad/0x290
[   67.223730][    T0]  cpu_startup_entry+0x14/0x20
[   67.228585][    T0]  start_secondary+0x169/0x1b0
[   67.233349][    T0]  secondary_startup_64+0xa4/0xb0
[   67.238362][    T0] 
[   67.240684][    T0] Reported by Kernel Concurrency Sanitizer on:
[   67.246835][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[   67.254951][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   67.265266][    T0] ==================================================================
[   67.273776][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   67.281197][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.7.0-rc1-syzkaller #0
[   67.289227][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   67.299275][    T0] Call Trace:
[   67.302580][    T0]  dump_stack+0x11d/0x187
[   67.306907][    T0]  panic+0x210/0x640
[   67.311002][    T0]  ? vprintk_func+0x89/0x13a
[   67.315639][    T0]  kcsan_report.cold+0xc/0x1a
[   67.320373][    T0]  kcsan_setup_watchpoint+0x3fb/0x440
[   67.325746][    T0]  tick_nohz_idle_stop_tick+0x191/0x680
[   67.331293][    T0]  do_idle+0x1ad/0x290
[   67.335361][    T0]  cpu_startup_entry+0x14/0x20
[   67.340118][    T0]  start_secondary+0x169/0x1b0
[   67.344878][    T0]  secondary_startup_64+0xa4/0xb0
[   67.351118][    T0] Kernel Offset: disabled
[   67.355570][    T0] Rebooting in 86400 seconds..