Warning: Permanently added '10.128.0.25' (ECDSA) to the list of known hosts.
2019/10/13 02:44:15 fuzzer started
2019/10/13 02:44:16 dialing manager at 10.128.0.105:43913
2019/10/13 02:44:16 syscalls: 2523
2019/10/13 02:44:16 code coverage: enabled
2019/10/13 02:44:16 comparison tracing: enabled
2019/10/13 02:44:16 extra coverage: extra coverage is not supported by the kernel
2019/10/13 02:44:16 setuid sandbox: enabled
2019/10/13 02:44:16 namespace sandbox: enabled
2019/10/13 02:44:16 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/13 02:44:16 fault injection: enabled
2019/10/13 02:44:16 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/13 02:44:16 net packet injection: enabled
2019/10/13 02:44:16 net device setup: enabled
2019/10/13 02:44:16 concurrency sanitizer: enabled
syzkaller login: [   58.086928][    C1] ==================================================================
[   58.095097][    C1] BUG: KCSAN: data-race in tick_sched_do_timer / tick_sched_do_timer
[   58.103145][    C1] 
[   58.105458][    C1] read to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 0:
[   58.113098][    C1]  tick_sched_do_timer+0x33/0xe0
[   58.118026][    C1]  tick_sched_timer+0x43/0xe0
[   58.122726][    C1]  __hrtimer_run_queues+0x288/0x600
[   58.127934][    C1]  hrtimer_interrupt+0x22a/0x480
[   58.133051][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   58.138652][    C1]  apic_timer_interrupt+0xf/0x20
[   58.143593][    C1]  ipt_do_table+0x2b1/0xe40
[   58.148079][    C1]  iptable_security_hook+0x4a/0x60
[   58.153194][    C1]  nf_hook_slow+0x83/0x160
[   58.157595][    C1]  ip_local_deliver+0x1e5/0x210
[   58.162426][    C1]  ip_rcv_finish+0x121/0x160
[   58.167006][    C1]  ip_rcv+0x18f/0x1a0
[   58.170977][    C1]  __netif_receive_skb_one_core+0xa7/0xe0
[   58.176688][    C1]  __netif_receive_skb+0x37/0xf0
[   58.181692][    C1] 
[   58.184005][    C1] write to 0xffffffff85caf310 of 4 bytes by interrupt on cpu 1:
[   58.191628][    C1]  tick_sched_do_timer+0xc0/0xe0
[   58.196544][    C1]  tick_sched_timer+0x43/0xe0
[   58.201291][    C1]  __hrtimer_run_queues+0x288/0x600
[   58.206467][    C1]  hrtimer_interrupt+0x22a/0x480
[   58.211383][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   58.216832][    C1]  apic_timer_interrupt+0xf/0x20
[   58.221753][    C1] 
[   58.224059][    C1] Reported by Kernel Concurrency Sanitizer on:
[   58.230291][    C1] CPU: 1 PID: 7331 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   58.237383][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   58.247422][    C1] ==================================================================
[   58.255467][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   58.262047][    C1] CPU: 1 PID: 7331 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   58.269128][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   58.279337][    C1] Call Trace:
[   58.282696][    C1]  <IRQ>
[   58.285532][    C1]  dump_stack+0xf5/0x159
[   58.289770][    C1]  panic+0x209/0x639
[   58.293659][    C1]  ? vprintk_func+0x8d/0x140
[   58.298370][    C1]  kcsan_report.cold+0xc/0x1b
[   58.303035][    C1]  __kcsan_setup_watchpoint+0x3ee/0x510
[   58.308665][    C1]  __tsan_write4+0x32/0x40
[   58.313065][    C1]  tick_sched_do_timer+0xc0/0xe0
[   58.317999][    C1]  tick_sched_timer+0x43/0xe0
[   58.322670][    C1]  __hrtimer_run_queues+0x288/0x600
[   58.327864][    C1]  ? tick_sched_do_timer+0xe0/0xe0
[   58.333020][    C1]  hrtimer_interrupt+0x22a/0x480
[   58.337948][    C1]  smp_apic_timer_interrupt+0xdc/0x280
[   58.343389][    C1]  ? smp_reschedule_interrupt+0x71/0x1d0
[   58.349000][    C1]  apic_timer_interrupt+0xf/0x20
[   58.353925][    C1]  </IRQ>
[   58.356853][    C1] RIP: 0033:0x608698
[   58.360742][    C1] Code: 0f 8f 3b 08 00 00 48 89 8c 24 88 00 00 00 84 01 48 8b 81 00 11 00 00 48 89 44 24 08 48 89 0c 24 e8 1d 13 00 00 48 8b 44 24 10 <48> 8b 4c 24 18 48 8b 54 24 20 48 85 c9 0f 85 c3 07 00 00 48 3d 00
[   58.380409][    C1] RSP: 002b:000000c4204efa80 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
[   58.388797][    C1] RAX: 0000000000000017 RBX: 000000c4204c2000 RCX: 0000000000000009
[   58.396787][    C1] RDX: 0000000000000009 RSI: 0000000000000014 RDI: 0000000000000017
[   58.404846][    C1] RBP: 000000c4204efb18 R08: 0000000000000179 R09: 0000000000000114
[   58.412808][    C1] R10: 00000000ffffffff R11: 0000000000005f45 R12: 0000000000000010
[   58.420761][    C1] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   58.430089][    C1] Kernel Offset: disabled
[   58.434455][    C1] Rebooting in 86400 seconds..