Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts.
2019/10/18 19:07:54 fuzzer started
2019/10/18 19:07:56 dialing manager at 10.128.0.105:43535
2019/10/18 19:07:56 syscalls: 2524
2019/10/18 19:07:56 code coverage: enabled
2019/10/18 19:07:56 comparison tracing: enabled
2019/10/18 19:07:56 extra coverage: extra coverage is not supported by the kernel
2019/10/18 19:07:56 setuid sandbox: enabled
2019/10/18 19:07:56 namespace sandbox: enabled
2019/10/18 19:07:56 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/18 19:07:56 fault injection: enabled
2019/10/18 19:07:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/18 19:07:56 net packet injection: enabled
2019/10/18 19:07:56 net device setup: enabled
2019/10/18 19:07:56 concurrency sanitizer: enabled
syzkaller login: [   50.482311][    T0] ==================================================================
[   50.490433][    T0] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   50.497354][    T0] 
[   50.499666][    T0] read to 0xffff88812be1b6e4 of 1 bytes by task 7260 on cpu 1:
[   50.507187][    T0]  mod_timer+0x50d/0x7a0
[   50.511406][    T0]  sk_reset_timer+0x2d/0x70
[   50.515885][    T0]  tcp_rearm_rto.part.0+0x190/0x240
[   50.521074][    T0]  tcp_rearm_rto+0x4f/0x60
[   50.525480][    T0]  tcp_event_new_data_sent+0x1bb/0x1c0
[   50.530912][    T0]  tcp_write_xmit+0xa16/0x3080
[   50.535665][    T0]  __tcp_push_pending_frames+0x7b/0x1d0
[   50.541311][    T0]  tcp_push+0x1e9/0x3d0
[   50.545452][    T0]  tcp_sendmsg_locked+0x1d1e/0x1f30
[   50.550637][    T0]  tcp_sendmsg+0x39/0x60
[   50.554861][    T0]  inet_sendmsg+0x6d/0x90
[   50.559170][    T0]  sock_sendmsg+0x9f/0xc0
[   50.563478][    T0]  sock_write_iter+0x16b/0x210
[   50.568224][    T0]  new_sync_write+0x388/0x4a0
[   50.572871][    T0] 
[   50.575199][    T0] write to 0xffff88812be1b6e4 of 1 bytes by task 0 on cpu 0:
[   50.582561][    T0]  timer_clear_idle+0x42/0x50
[   50.587226][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   50.593103][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   50.598202][    T0]  do_idle+0xb1/0x280
[   50.602201][    T0]  cpu_startup_entry+0x1b/0x20
[   50.606944][    T0]  rest_init+0xec/0xf6
[   50.610991][    T0]  arch_call_rest_init+0x17/0x37
[   50.615904][    T0]  start_kernel+0x838/0x85e
[   50.620387][    T0]  x86_64_start_reservations+0x29/0x2b
[   50.625821][    T0]  x86_64_start_kernel+0x72/0x76
[   50.630737][    T0]  secondary_startup_64+0xa4/0xb0
[   50.635745][    T0] 
[   50.638049][    T0] Reported by Kernel Concurrency Sanitizer on:
[   50.644191][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0
[   50.651276][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.661308][    T0] ==================================================================
[   50.669349][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   50.675918][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0
[   50.682999][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.693056][    T0] Call Trace:
[   50.696347][    T0]  dump_stack+0xf5/0x159
[   50.700571][    T0]  panic+0x210/0x640
[   50.704551][    T0]  ? x86_64_start_reservations+0x29/0x2b
[   50.710226][    T0]  ? vprintk_func+0x8d/0x140
[   50.714803][    T0]  kcsan_report.cold+0xc/0x10
[   50.719462][    T0]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   50.725079][    T0]  __tsan_write1+0x32/0x40
[   50.729499][    T0]  timer_clear_idle+0x42/0x50
[   50.734173][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   50.740142][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   50.745256][    T0]  do_idle+0xb1/0x280
[   50.749222][    T0]  cpu_startup_entry+0x1b/0x20
[   50.754052][    T0]  rest_init+0xec/0xf6
[   50.758127][    T0]  ? trace_event_define_fields_vector_free_moved+0xce/0xce
[   50.765413][    T0]  arch_call_rest_init+0x17/0x37
[   50.770330][    T0]  start_kernel+0x838/0x85e
[   50.774817][    T0]  x86_64_start_reservations+0x29/0x2b
[   50.780256][    T0]  x86_64_start_kernel+0x72/0x76
[   50.785173][    T0]  secondary_startup_64+0xa4/0xb0
[   50.791627][    T0] Kernel Offset: disabled
[   50.795966][    T0] Rebooting in 86400 seconds..