Warning: Permanently added '10.128.1.49' (ECDSA) to the list of known hosts.
2019/10/25 11:42:40 fuzzer started
2019/10/25 11:42:42 dialing manager at 10.128.0.105:33971
2019/10/25 11:42:42 syscalls: 2529
2019/10/25 11:42:42 code coverage: enabled
2019/10/25 11:42:42 comparison tracing: enabled
2019/10/25 11:42:42 extra coverage: extra coverage is not supported by the kernel
2019/10/25 11:42:42 setuid sandbox: enabled
2019/10/25 11:42:42 namespace sandbox: enabled
2019/10/25 11:42:42 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/25 11:42:42 fault injection: enabled
2019/10/25 11:42:42 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/25 11:42:42 net packet injection: enabled
2019/10/25 11:42:42 net device setup: enabled
2019/10/25 11:42:42 concurrency sanitizer: enabled
2019/10/25 11:42:45 adding functions to KCSAN blacklist: 'echo_char' 'ktime_get_real_seconds' 'pipe_poll' 'tcp_add_backlog' 'ext4_setattr' '__nf_ct_refresh_acct' 'tick_do_update_jiffies64' 'generic_permission' 'run_timer_softirq' 'ext4_free_inodes_count' 'pid_update_inode' 'ep_poll' 'tcp_poll' '__hrtimer_run_queues' '__tcp_select_window' 'generic_write_end' 'find_next_bit' 'tomoyo_supervisor' 'rcu_gp_fqs_check_wake' 
syzkaller login: [   55.589370][    T0] ==================================================================
[   55.597496][    T0] BUG: KCSAN: data-race in mod_timer / timer_clear_idle
[   55.604401][    T0] 
[   55.606711][    T0] read to 0xffff88812bf1b6e4 of 1 bytes by task 7273 on cpu 0:
[   55.614245][    T0]  mod_timer+0x50d/0x7a0
[   55.618476][    T0]  sk_reset_timer+0x2d/0x70
[   55.622978][    T0]  tcp_rearm_rto.part.0+0x190/0x240
[   55.628150][    T0]  tcp_rearm_rto+0x4f/0x60
[   55.632721][    T0]  tcp_event_new_data_sent+0x1bb/0x1c0
[   55.638155][    T0]  tcp_write_xmit+0xa16/0x3080
[   55.642893][    T0]  __tcp_push_pending_frames+0x7b/0x1d0
[   55.648434][    T0]  tcp_push+0x1e9/0x3d0
[   55.652585][    T0]  tcp_sendmsg_locked+0x1d1e/0x1f30
[   55.657767][    T0]  tcp_sendmsg+0x39/0x60
[   55.662031][    T0]  inet_sendmsg+0x6d/0x90
[   55.666384][    T0]  sock_sendmsg+0x9f/0xc0
[   55.670693][    T0]  sock_write_iter+0x16b/0x210
[   55.675446][    T0]  new_sync_write+0x388/0x4a0
[   55.680180][    T0] 
[   55.682524][    T0] write to 0xffff88812bf1b6e4 of 1 bytes by task 0 on cpu 1:
[   55.689871][    T0]  timer_clear_idle+0x42/0x50
[   55.694525][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   55.700395][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   55.705493][    T0]  do_idle+0xb1/0x280
[   55.709464][    T0]  cpu_startup_entry+0x1b/0x20
[   55.714216][    T0]  start_secondary+0x208/0x260
[   55.718958][    T0]  secondary_startup_64+0xa4/0xb0
[   55.723949][    T0] 
[   55.726251][    T0] Reported by Kernel Concurrency Sanitizer on:
[   55.732382][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0
[   55.739460][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.749502][    T0] ==================================================================
[   55.757553][    T0] Kernel panic - not syncing: panic_on_warn set ...
[   55.764115][    T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-rc3+ #0
[   55.771295][    T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.781333][    T0] Call Trace:
[   55.784629][    T0]  dump_stack+0xf5/0x159
[   55.788862][    T0]  panic+0x210/0x640
[   55.792761][    T0]  ? vprintk_func+0x8d/0x140
[   55.797343][    T0]  kcsan_report.cold+0xc/0x10
[   55.802110][    T0]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   55.807649][    T0]  __tsan_write1+0x32/0x40
[   55.812065][    T0]  timer_clear_idle+0x42/0x50
[   55.816833][    T0]  __tick_nohz_idle_restart_tick+0x36/0x1b0
[   55.822724][    T0]  tick_nohz_idle_exit+0x1af/0x1e0
[   55.827819][    T0]  do_idle+0xb1/0x280
[   55.831791][    T0]  ? complete+0x44/0x50
[   55.835926][    T0]  cpu_startup_entry+0x1b/0x20
[   55.840670][    T0]  start_secondary+0x208/0x260
[   55.845413][    T0]  secondary_startup_64+0xa4/0xb0
[   55.851768][    T0] Kernel Offset: disabled
[   55.856110][    T0] Rebooting in 86400 seconds..