Warning: Permanently added '10.128.0.7' (ECDSA) to the list of known hosts.
2019/10/14 10:36:45 fuzzer started
2019/10/14 10:36:47 dialing manager at 10.128.0.105:43961
2019/10/14 10:36:47 syscalls: 2523
2019/10/14 10:36:47 code coverage: enabled
2019/10/14 10:36:47 comparison tracing: enabled
2019/10/14 10:36:47 extra coverage: extra coverage is not supported by the kernel
2019/10/14 10:36:47 setuid sandbox: enabled
2019/10/14 10:36:47 namespace sandbox: enabled
2019/10/14 10:36:47 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/14 10:36:47 fault injection: enabled
2019/10/14 10:36:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/14 10:36:47 net packet injection: enabled
2019/10/14 10:36:47 net device setup: enabled
2019/10/14 10:36:47 concurrency sanitizer: enabled
syzkaller login: [   51.963378][    T0] ==================================================================
[   51.971611][    T0] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   51.978520][    T0] 
[   51.980830][    T0] read to 0xffff88812be1b6e4 of 1 bytes by task 7209 on cpu 1:
[   51.988351][    T0]  mod_timer+0x50d/0x7a0
[   51.993093][    T0]  sk_reset_timer+0x2d/0x70
[   51.997579][    T0]  tcp_rearm_rto.part.0+0x190/0x240
[   52.002752][    T0]  tcp_rearm_rto+0x4f/0x60
[   52.007144][    T0]  tcp_event_new_data_sent+0x1bb/0x1c0
[   52.012593][    T0]  tcp_write_xmit+0xa16/0x3080
[   52.017333][    T0]  __tcp_push_pending_frames+0x7b/0x1d0
[   52.022855][    T0]  tcp_push+0x1e9/0x3d0
[   52.026985][    T0]  tcp_sendmsg_locked+0x1d1b/0x1ef0
[   52.032169][    T0]  tcp_sendmsg+0x39/0x60
[   52.036389][    T0]  inet_sendmsg+0x6d/0x90
[   52.040734][    T0]  sock_sendmsg+0x9f/0xc0
[   52.045050][    T0]  sock_write_iter+0x16b/0x210
[   52.049793][    T0]  new_sync_write+0x388/0x4a0
[   52.054453][    T0] 
[   52.056760][    T0] write to 0xffff88812be1b6e4 of 1 bytes by task 0 on cpu 0:
[   52.064107][    T0]  timer_clear_idle+0x42/0x50
[   52.068774][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   52.074642][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   52.079743][    T0]  do_idle+0xb0/0x2c0
[   52.083716][    T0]  cpu_startup_entry+0x1b/0x20
[   52.088478][    T0]  rest_init+0xec/0xf6
[   52.092548][    T0]  arch_call_rest_init+0x17/0x37
[   52.097614][    T0]  start_kernel+0x83e/0x864
[   52.102367][    T0]  x86_64_start_reservations+0x29/0x2b
[   52.107845][    T0]  x86_64_start_kernel+0x72/0x76
[   52.112763][    T0]  secondary_startup_64+0xa4/0xb0
[   52.117852][    T0] 
[   52.120185][    T0] Reported by Kernel Concurrency Sanitizer on:
[   52.128082][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0
[   52.135094][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.145221][    T0] ==================================================================
[   52.153435][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   52.160560][    T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0+ #0
[   52.167297][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.177533][    T0] Call Trace:
[   52.180828][    T0]  dump_stack+0xf5/0x159
[   52.185052][    T0]  panic+0x209/0x639
[   52.189018][    T0]  ? x86_64_start_reservations+0x29/0x2b
[   52.194756][    T0]  ? vprintk_func+0x8d/0x140
[   52.199330][    T0]  kcsan_report.cold+0xc/0x1b
[   52.204049][    T0]  __kcsan_setup_watchpoint+0x3ee/0x510
[   52.209759][    T0]  __tsan_write1+0x32/0x40
[   52.214510][    T0]  timer_clear_idle+0x42/0x50
[   52.219189][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   52.225605][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   52.231917][    T0]  do_idle+0xb0/0x2c0
[   52.235883][    T0]  cpu_startup_entry+0x1b/0x20
[   52.240623][    T0]  rest_init+0xec/0xf6
[   52.244700][    T0]  ? trace_event_define_fields_vector_free_moved+0xce/0xce
[   52.251985][    T0]  arch_call_rest_init+0x17/0x37
[   52.256909][    T0]  start_kernel+0x83e/0x864
[   52.261392][    T0]  x86_64_start_reservations+0x29/0x2b
[   52.266829][    T0]  x86_64_start_kernel+0x72/0x76
[   52.271761][    T0]  secondary_startup_64+0xa4/0xb0
[   52.277808][    T0] Kernel Offset: disabled
[   52.282376][    T0] Rebooting in 86400 seconds..