Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts.
2019/10/12 09:38:08 fuzzer started
2019/10/12 09:38:10 dialing manager at 10.128.0.105:43913
2019/10/12 09:38:10 syscalls: 2523
2019/10/12 09:38:10 code coverage: enabled
2019/10/12 09:38:10 comparison tracing: enabled
2019/10/12 09:38:10 extra coverage: extra coverage is not supported by the kernel
2019/10/12 09:38:10 setuid sandbox: enabled
2019/10/12 09:38:10 namespace sandbox: enabled
2019/10/12 09:38:10 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/12 09:38:10 fault injection: enabled
2019/10/12 09:38:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/12 09:38:10 net packet injection: enabled
2019/10/12 09:38:10 net device setup: enabled
2019/10/12 09:38:10 concurrency sanitizer: enabled
syzkaller login: [   47.615516][    C1] ==================================================================
[   47.623814][    C1] BUG: KCSAN: data-race in tick_do_update_jiffies64 / tick_do_update_jiffies64
[   47.633980][    C1] 
[   47.636308][    C1] write to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 0:
[   47.643940][    C1]  tick_do_update_jiffies64+0x105/0x260
[   47.649467][    C1]  tick_sched_do_timer+0xd4/0xe0
[   47.654420][    C1]  tick_sched_timer+0x43/0xe0
[   47.659108][    C1]  __hrtimer_run_queues+0x288/0x600
[   47.664984][    C1]  hrtimer_interrupt+0x22a/0x480
[   47.670013][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   47.675498][    C1]  apic_timer_interrupt+0xf/0x20
[   47.680504][    C1]  __kcsan_check_watchpoint+0xbb/0x180
[   47.685964][    C1]  __tsan_read1+0x15/0x30
[   47.690285][    C1]  ipt_do_table+0x577/0xe40
[   47.694889][    C1]  iptable_raw_hook+0x4a/0x60
[   47.699567][    C1]  nf_hook_slow+0x83/0x160
[   47.704136][    C1]  ip_rcv+0x12f/0x1a0
[   47.708182][    C1]  __netif_receive_skb_one_core+0xa7/0xe0
[   47.713876][    C1] 
[   47.716298][    C1] read to 0xffffffff8603f008 of 8 bytes by interrupt on cpu 1:
[   47.724486][    C1]  tick_do_update_jiffies64+0x2b/0x260
[   47.729955][    C1]  tick_sched_do_timer+0xd4/0xe0
[   47.735010][    C1]  tick_sched_timer+0x43/0xe0
[   47.739686][    C1]  __hrtimer_run_queues+0x288/0x600
[   47.745161][    C1]  hrtimer_interrupt+0x22a/0x480
[   47.750701][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   47.756142][    C1]  apic_timer_interrupt+0xf/0x20
[   47.761064][    C1] 
[   47.763368][    C1] Reported by Kernel Concurrency Sanitizer on:
[   47.769511][    C1] CPU: 1 PID: 7356 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   47.776592][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.786624][    C1] ==================================================================
[   47.794675][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   47.801358][    C1] CPU: 1 PID: 7356 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   47.808454][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.818498][    C1] Call Trace:
[   47.821777][    C1]  <IRQ>
[   47.824626][    C1]  dump_stack+0xf5/0x159
[   47.828851][    C1]  panic+0x209/0x639
[   47.832814][    C1]  ? vprintk_func+0x8d/0x140
[   47.837390][    C1]  kcsan_report.cold+0xc/0x1b
[   47.842053][    C1]  __kcsan_setup_watchpoint+0x3ee/0x510
[   47.847666][    C1]  ? __kcsan_setup_watchpoint+0x96/0x510
[   47.853279][    C1]  __tsan_read8+0x2c/0x30
[   47.857607][    C1]  tick_do_update_jiffies64+0x2b/0x260
[   47.863052][    C1]  tick_sched_do_timer+0xd4/0xe0
[   47.868155][    C1]  tick_sched_timer+0x43/0xe0
[   47.872834][    C1]  __hrtimer_run_queues+0x288/0x600
[   47.878030][    C1]  ? tick_sched_do_timer+0xe0/0xe0
[   47.883128][    C1]  hrtimer_interrupt+0x22a/0x480
[   47.888061][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   47.893690][    C1]  ? smp_reschedule_interrupt+0x71/0x1d0
[   47.899331][    C1]  apic_timer_interrupt+0xf/0x20
[   47.904258][    C1]  </IRQ>
[   47.907190][    C1] RIP: 0033:0x609b5b
[   47.911067][    C1] Code: d3 e9 48 83 f9 20 19 c0 41 21 c1 44 89 4b 18 48 8b 43 20 48 29 c8 48 89 43 20 c1 ef 04 48 89 7c 24 50 0f 57 c0 0f 11 44 24 58 <48> 8b 6c 24 30 48 83 c4 38 c3 41 89 f9 44 89 c7 e9 1f ff ff ff e8
[   47.930909][    C1] RSP: 002b:000000c42014da40 EFLAGS: 00000207 ORIG_RAX: ffffffffffffff13
[   47.939322][    C1] RAX: 0000000000000004 RBX: 000000c420318000 RCX: 0000000000000009
[   47.947426][    C1] RDX: 0000000000000009 RSI: 000000000000000d RDI: 0000000000000028
[   47.955381][    C1] RBP: 000000c42014da70 R08: 0000000000000289 R09: 0000000000000001
[   47.963849][    C1] R10: 00000000ffffffff R11: 0000000000005f51 R12: 0000000000000010
[   47.971812][    C1] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[   47.981617][    C1] Kernel Offset: disabled
[   47.985949][    C1] Rebooting in 86400 seconds..