Warning: Permanently added '10.128.15.201' (ECDSA) to the list of known hosts.
2019/11/02 21:14:52 fuzzer started
2019/11/02 21:14:54 dialing manager at 10.128.0.105:46001
2019/11/02 21:14:54 syscalls: 2554
2019/11/02 21:14:54 code coverage: enabled
2019/11/02 21:14:54 comparison tracing: enabled
2019/11/02 21:14:54 extra coverage: extra coverage is not supported by the kernel
2019/11/02 21:14:54 setuid sandbox: enabled
2019/11/02 21:14:54 namespace sandbox: enabled
2019/11/02 21:14:54 Android sandbox: /sys/fs/selinux/policy does not exist
2019/11/02 21:14:54 fault injection: enabled
2019/11/02 21:14:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/11/02 21:14:54 net packet injection: enabled
2019/11/02 21:14:54 net device setup: enabled
2019/11/02 21:14:54 concurrency sanitizer: enabled
syzkaller login: [   52.421808][ T7238] KCSAN: could not find function: 'poll_schedule_timeout'
2019/11/02 21:14:59 adding functions to KCSAN blacklist: 'vm_area_dup' 'taskstats_exit' 'generic_permission' 'ext4_xattr_get' '__nf_ct_refresh_acct' 'rcu_gp_fqs_check_wake' 'tcp_add_backlog' 'poll_schedule_timeout' 'mod_timer' 'pipe_poll' 'tomoyo_supervisor' 'add_timer' 'ktime_get_real_seconds' '__nf_conntrack_find_get' 'find_next_bit' 'task_dump_owner' 'generic_write_end' 'enqueue_timer' 'ext4_has_free_clusters' 'ep_poll' 'tcp_poll' 'tick_nohz_idle_stop_tick' 'pcpu_alloc' '__hrtimer_run_queues' '__tcp_select_window' 
[   55.653520][    C1] ==================================================================
[   55.661650][    C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer
[   55.669683][    C1] 
[   55.671992][    C1] write to 0xffffffff85cb2790 of 4 bytes by interrupt on cpu 0:
[   55.679598][    C1]  tick_sched_do_timer+0xc0/0xe0
[   55.684513][    C1]  tick_sched_timer+0x43/0xe0
[   55.689181][    C1]  __hrtimer_run_queues+0x288/0x600
[   55.694366][    C1]  hrtimer_interrupt+0x22a/0x480
[   55.699280][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   55.704711][    C1]  apic_timer_interrupt+0xf/0x20
[   55.709625][    C1]  page_to_skb+0x6/0x480
[   55.713845][    C1]  receive_buf+0x17c7/0x30b0
[   55.718409][    C1]  virtnet_poll+0x436/0x7d0
[   55.722901][    C1]  net_rx_action+0x3ae/0xa90
[   55.727463][    C1]  __do_softirq+0x115/0x33f
[   55.731945][    C1]  run_ksoftirqd+0x46/0x60
[   55.736337][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   55.741262][    C1]  kthread+0x1d4/0x200
[   55.745312][    C1] 
[   55.747619][    C1] read to 0xffffffff85cb2790 of 4 bytes by interrupt on cpu 1:
[   55.755139][    C1]  tick_sched_do_timer+0x33/0xe0
[   55.760105][    C1]  tick_sched_timer+0x43/0xe0
[   55.764762][    C1]  __hrtimer_run_queues+0x288/0x600
[   55.769942][    C1]  hrtimer_interrupt+0x22a/0x480
[   55.774860][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   55.780294][    C1]  apic_timer_interrupt+0xf/0x20
[   55.785220][    C1] 
[   55.787527][    C1] Reported by Kernel Concurrency Sanitizer on:
[   55.793659][    C1] CPU: 1 PID: 7236 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   55.801094][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.811126][    C1] ==================================================================
[   55.819168][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   55.825739][    C1] CPU: 1 PID: 7236 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   55.833225][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.843270][    C1] Call Trace:
[   55.846532][    C1]  <IRQ>
[   55.849373][    C1]  dump_stack+0xf5/0x159
[   55.853595][    C1]  panic+0x210/0x640
[   55.857473][    C1]  ? vprintk_func+0x8d/0x140
[   55.862044][    C1]  kcsan_report.cold+0xc/0x10
[   55.866716][    C1]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   55.872239][    C1]  __tsan_read4+0x2c/0x30
[   55.876550][    C1]  tick_sched_do_timer+0x33/0xe0
[   55.881474][    C1]  tick_sched_timer+0x43/0xe0
[   55.886128][    C1]  __hrtimer_run_queues+0x288/0x600
[   55.891314][    C1]  ? tick_sched_do_timer+0xe0/0xe0
[   55.896407][    C1]  hrtimer_interrupt+0x22a/0x480
[   55.901327][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   55.906771][    C1]  ? do_IRQ+0xcb/0x180
[   55.910817][    C1]  apic_timer_interrupt+0xf/0x20
[   55.915729][    C1]  </IRQ>
[   55.918678][    C1] RIP: 0033:0x609a94
[   55.922554][    C1] Code: 8b 44 d1 08 49 8b 14 d1 41 89 f9 c1 ef 09 23 b8 20 08 00 00 4c 39 c7 0f 83 e9 00 00 00 8b 14 ba 89 d7 83 e2 0f 48 39 f2 76 0a <48> 89 54 24 20 e9 4a ff ff ff 48 85 d2 0f 85 86 00 00 00 48 8b 43
[   55.942151][    C1] RSP: 002b:000000c420302a40 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13
[   55.950554][    C1] RAX: 000000c420316028 RBX: 0000000000008000 RCX: 000000c42006ef00
[   55.958513][    C1] RDX: 000000000000000f RSI: 0000000000001d4a RDI: 000000000000002f
[   55.966467][    C1] RBP: 000000c420302a70 R08: 000000c4204b2000 R09: 00000000000001f9
[   55.974418][    C1] R10: 00000000ffffffff R11: 0000000000000c42 R12: 0000000000000004
[   55.982367][    C1] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[   55.991661][    C1] Kernel Offset: disabled
[   55.996054][    C1] Rebooting in 86400 seconds..