Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts.
2019/10/09 07:24:25 fuzzer started
2019/10/09 07:24:26 dialing manager at 10.128.0.105:43333
2019/10/09 07:24:26 syscalls: 2523
2019/10/09 07:24:26 code coverage: enabled
2019/10/09 07:24:26 comparison tracing: enabled
2019/10/09 07:24:26 extra coverage: extra coverage is not supported by the kernel
2019/10/09 07:24:26 setuid sandbox: enabled
2019/10/09 07:24:26 namespace sandbox: enabled
2019/10/09 07:24:26 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/09 07:24:26 fault injection: enabled
2019/10/09 07:24:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/09 07:24:26 net packet injection: enabled
2019/10/09 07:24:26 net device setup: enabled
2019/10/09 07:24:26 concurrency sanitizer: enabled
syzkaller login: [   55.914367][    T0] ==================================================================
[   55.922480][    T0] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   55.929382][    T0] 
[   55.931698][    T0] read to 0xffff88812bf1b6e4 of 1 bytes by task 7220 on cpu 0:
[   55.939214][    T0]  mod_timer+0x50d/0x7a0
[   55.943432][    T0]  sk_reset_timer+0x2d/0x70
[   55.947949][    T0]  tcp_rearm_rto.part.0+0x190/0x240
[   55.953121][    T0]  tcp_rearm_rto+0x4f/0x60
[   55.957516][    T0]  tcp_event_new_data_sent+0x1bb/0x1c0
[   55.962961][    T0]  tcp_write_xmit+0xa16/0x3080
[   55.967701][    T0]  __tcp_push_pending_frames+0x7b/0x1d0
[   55.973219][    T0]  tcp_push+0x1e9/0x3d0
[   55.977348][    T0]  tcp_sendmsg_locked+0x1d1b/0x1ef0
[   55.982537][    T0]  tcp_sendmsg+0x39/0x60
[   55.986755][    T0]  inet_sendmsg+0x6d/0x90
[   55.991055][    T0]  sock_sendmsg+0x9f/0xc0
[   55.995357][    T0]  sock_write_iter+0x16b/0x210
[   56.000094][    T0]  new_sync_write+0x388/0x4a0
[   56.004742][    T0] 
[   56.007056][    T0] write to 0xffff88812bf1b6e4 of 1 bytes by task 0 on cpu 1:
[   56.014399][    T0]  timer_clear_idle+0x42/0x50
[   56.019051][    T0]  tick_nohz_next_event+0x164/0x380
[   56.024223][    T0]  tick_nohz_idle_stop_tick+0x3c2/0x670
[   56.029742][    T0]  do_idle+0x1e0/0x2c0
[   56.033784][    T0]  cpu_startup_entry+0x1b/0x20
[   56.038526][    T0]  start_secondary+0x207/0x260
[   56.043264][    T0]  secondary_startup_64+0xa4/0xb0
[   56.048256][    T0] 
[   56.050556][    T0] Reported by Kernel Concurrency Sanitizer on:
[   56.056683][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   56.063412][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.073448][    T0] ==================================================================
[   56.081485][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   56.088047][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0+ #0
[   56.094822][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.104885][    T0] Call Trace:
[   56.108157][    T0]  dump_stack+0xf5/0x159
[   56.112415][    T0]  panic+0x209/0x639
[   56.116287][    T0]  ? vprintk_func+0x8d/0x140
[   56.120854][    T0]  kcsan_report.cold+0xc/0x1b
[   56.125505][    T0]  __kcsan_setup_watchpoint+0x3ee/0x510
[   56.131023][    T0]  __tsan_write1+0x32/0x40
[   56.135415][    T0]  timer_clear_idle+0x42/0x50
[   56.140068][    T0]  tick_nohz_next_event+0x164/0x380
[   56.145253][    T0]  tick_nohz_idle_stop_tick+0x3c2/0x670
[   56.150775][    T0]  ? __tsan_read4+0x2c/0x30
[   56.155259][    T0]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   56.161519][    T0]  do_idle+0x1e0/0x2c0
[   56.165562][    T0]  ? complete+0x44/0x50
[   56.169694][    T0]  cpu_startup_entry+0x1b/0x20
[   56.174437][    T0]  start_secondary+0x207/0x260
[   56.179177][    T0]  secondary_startup_64+0xa4/0xb0
[   56.185355][    T0] Kernel Offset: disabled
[   56.189686][    T0] Rebooting in 86400 seconds..