Warning: Permanently added '10.128.1.53' (ECDSA) to the list of known hosts.
2019/10/22 08:19:23 fuzzer started
2019/10/22 08:19:24 dialing manager at 10.128.0.105:37053
2019/10/22 08:19:24 syscalls: 2524
2019/10/22 08:19:24 code coverage: enabled
2019/10/22 08:19:24 comparison tracing: enabled
2019/10/22 08:19:24 extra coverage: extra coverage is not supported by the kernel
2019/10/22 08:19:24 setuid sandbox: enabled
2019/10/22 08:19:24 namespace sandbox: enabled
2019/10/22 08:19:24 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/22 08:19:24 fault injection: enabled
2019/10/22 08:19:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/22 08:19:24 net packet injection: enabled
2019/10/22 08:19:24 net device setup: enabled
2019/10/22 08:19:24 concurrency sanitizer: enabled
gin: [   50.103239][    C1] ==================================================================
[   50.111361][    C1] BUG: KCSAN: data-race in tcp_add_backlog / tcp_recvmsg
[   50.118358][    C1] 
[   50.120674][    C1] read to 0xffff888126ffc138 of 8 bytes by task 7106 on cpu 0:
[   50.128198][    C1]  tcp_recvmsg+0x470/0x1a30
[   50.132683][    C1]  inet_recvmsg+0xbb/0x250
[   50.137517][    C1]  sock_recvmsg+0x92/0xb0
[   50.141840][    C1]  sock_read_iter+0x15f/0x1e0
[   50.146499][    C1]  new_sync_read+0x389/0x4f0
[   50.151066][    C1]  __vfs_read+0xb1/0xc0
[   50.155202][    C1]  vfs_read+0x143/0x2c0
[   50.159338][    C1]  ksys_read+0xd5/0x1b0
[   50.163489][    C1]  __x64_sys_read+0x4c/0x60
[   50.167975][    C1]  do_syscall_64+0xcc/0x370
[   50.172462][    C1]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   50.178328][    C1] 
[   50.180644][    C1] write to 0xffff888126ffc138 of 8 bytes by interrupt on cpu 1:
[   50.188255][    C1]  tcp_add_backlog+0x45a/0xcc0
[   50.193002][    C1]  tcp_v4_rcv+0x1a60/0x1bb0
[   50.197502][    C1]  ip_protocol_deliver_rcu+0x4d/0x420
[   50.202861][    C1]  ip_local_deliver_finish+0x110/0x140
[   50.208301][    C1]  ip_local_deliver+0x133/0x210
[   50.213220][    C1]  ip_rcv_finish+0x121/0x160
[   50.217791][    C1]  ip_rcv+0x18f/0x1a0
[   50.221756][    C1]  __netif_receive_skb_one_core+0xa7/0xe0
[   50.227722][    C1]  __netif_receive_skb+0x37/0xf0
[   50.232639][    C1]  netif_receive_skb_internal+0x59/0x190
[   50.238250][    C1]  napi_gro_receive+0x28f/0x330
[   50.243084][    C1]  receive_buf+0x284/0x30b0
[   50.247569][    C1]  virtnet_poll+0x436/0x7d0
[   50.252043][    C1] 
[   50.254350][    C1] Reported by Kernel Concurrency Sanitizer on:
[   50.260487][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc3+ #0
[   50.267831][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.277867][    C1] ==================================================================
[   50.285909][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   50.292486][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc3+ #0
[   50.299831][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.309867][    C1] Call Trace:
[   50.313142][    C1]  dump_stack+0xf5/0x159
[   50.317368][    C1]  panic+0x210/0x640
[   50.321257][    C1]  ? __netif_receive_skb+0x37/0xf0
[   50.326609][    C1]  ? vprintk_func+0x8d/0x140
[   50.331184][    C1]  kcsan_report.cold+0xc/0x10
[   50.335851][    C1]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   50.341382][    C1]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[   50.347084][    C1]  __tsan_write8+0x32/0x40
[   50.351486][    C1]  tcp_add_backlog+0x45a/0xcc0
[   50.356254][    C1]  tcp_v4_rcv+0x1a60/0x1bb0
[   50.360743][    C1]  ? __tsan_read8+0x2c/0x30
[   50.365500][    C1]  ip_protocol_deliver_rcu+0x4d/0x420
[   50.370863][    C1]  ip_local_deliver_finish+0x110/0x140
[   50.376313][    C1]  ip_local_deliver+0x133/0x210
[   50.381160][    C1]  ? ip_protocol_deliver_rcu+0x420/0x420
[   50.386792][    C1]  ip_rcv_finish+0x121/0x160
[   50.391366][    C1]  ip_rcv+0x18f/0x1a0
[   50.395332][    C1]  ? ip_sublist_rcv+0x5e0/0x5e0
[   50.400169][    C1]  ? ip_local_deliver+0x210/0x210
[   50.405178][    C1]  __netif_receive_skb_one_core+0xa7/0xe0
[   50.410883][    C1]  __netif_receive_skb+0x37/0xf0
[   50.415824][    C1]  netif_receive_skb_internal+0x59/0x190
[   50.421464][    C1]  napi_gro_receive+0x28f/0x330
[   50.426310][    C1]  receive_buf+0x284/0x30b0
[   50.430814][    C1]  ? __tsan_write8+0x32/0x40
[   50.435396][    C1]  ? virtqueue_get_buf_ctx+0x4fd/0x5c0
[   50.440840][    C1]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   50.446456][    C1]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   50.452076][    C1]  virtnet_poll+0x436/0x7d0
[   50.456573][    C1]  net_rx_action+0x3ae/0xa90
[   50.461165][    C1]  __do_softirq+0x115/0x33f
[   50.465668][    C1]  ? takeover_tasklets+0x250/0x250
[   50.470766][    C1]  run_ksoftirqd+0x46/0x60
[   50.475166][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   50.480088][    C1]  kthread+0x1d4/0x200
[   50.484138][    C1]  ? constant_test_bit.constprop.0+0x30/0x30
[   50.490100][    C1]  ? kthread_stop+0x2d0/0x2d0
[   50.494757][    C1]  ret_from_fork+0x1f/0x30
[   50.500460][    C1] Kernel Offset: disabled
[   50.505009][    C1] Rebooting in 86400 seconds..