Warning: Permanently added '10.128.1.60' (ECDSA) to the list of known hosts.
2019/10/23 01:00:46 fuzzer started
2019/10/23 01:00:48 dialing manager at 10.128.0.105:33369
2019/10/23 01:00:48 syscalls: 2524
2019/10/23 01:00:48 code coverage: enabled
2019/10/23 01:00:48 comparison tracing: enabled
2019/10/23 01:00:48 extra coverage: extra coverage is not supported by the kernel
2019/10/23 01:00:48 setuid sandbox: enabled
2019/10/23 01:00:48 namespace sandbox: enabled
2019/10/23 01:00:48 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/23 01:00:48 fault injection: enabled
2019/10/23 01:00:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/23 01:00:48 net packet injection: enabled
2019/10/23 01:00:48 net device setup: enabled
2019/10/23 01:00:48 concurrency sanitizer: enabled
syzkaller login: [   45.163816][    C1] ==================================================================
[   45.171947][    C1] BUG: KCSAN: data-race in __nf_conntrack_find_get / __nf_ct_refresh_acct
[   45.180411][    C1] 
[   45.182721][    C1] write to 0xffff888129386008 of 4 bytes by task 7209 on cpu 0:
[   45.190372][    C1]  __nf_ct_refresh_acct+0xfb/0x1b0
[   45.195460][    C1]  nf_conntrack_tcp_packet+0xd40/0x3390
[   45.201013][    C1]  nf_conntrack_in+0x410/0xa80
[   45.205752][    C1]  ipv4_conntrack_local+0xbe/0x130
[   45.210842][    C1]  nf_hook_slow+0x83/0x160
[   45.215232][    C1]  __ip_local_out+0x1f7/0x2b0
[   45.219882][    C1]  ip_local_out+0x31/0x90
[   45.224190][    C1]  __ip_queue_xmit+0x3a8/0xa40
[   45.229323][    C1]  ip_queue_xmit+0x45/0x60
[   45.233714][    C1]  __tcp_transmit_skb+0xe81/0x1d60
[   45.238810][    C1]  __tcp_send_ack+0x246/0x300
[   45.243470][    C1]  tcp_send_ack+0x34/0x40
[   45.247774][    C1]  tcp_cleanup_rbuf+0x130/0x360
[   45.252601][    C1]  tcp_recvmsg+0x633/0x1a30
[   45.257106][    C1] 
[   45.259413][    C1] read to 0xffff888129386008 of 4 bytes by interrupt on cpu 1:
[   45.266929][    C1]  __nf_conntrack_find_get+0x284/0x880
[   45.272372][    C1]  nf_conntrack_in+0x2ef/0xa80
[   45.277116][    C1]  ipv4_conntrack_in+0x27/0x40
[   45.281856][    C1]  nf_hook_slow+0x83/0x160
[   45.286245][    C1]  ip_rcv+0x12f/0x1a0
[   45.290212][    C1]  __netif_receive_skb_one_core+0xa7/0xe0
[   45.295903][    C1]  __netif_receive_skb+0x37/0xf0
[   45.300814][    C1]  netif_receive_skb_internal+0x59/0x190
[   45.306433][    C1]  napi_gro_receive+0x28f/0x330
[   45.311261][    C1]  receive_buf+0x284/0x30b0
[   45.315735][    C1]  virtnet_poll+0x436/0x7d0
[   45.320210][    C1]  net_rx_action+0x3ae/0xa90
[   45.324774][    C1]  __do_softirq+0x115/0x33f
[   45.329816][    C1] 
[   45.332122][    C1] Reported by Kernel Concurrency Sanitizer on:
[   45.338261][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc3+ #0
[   45.345599][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.355638][    C1] ==================================================================
[   45.363674][    C1] Kernel panic - not syncing: panic_on_warn set ...
[   45.370239][    C1] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.4.0-rc3+ #0
[   45.377586][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.387625][    C1] Call Trace:
[   45.390904][    C1]  dump_stack+0xf5/0x159
[   45.395130][    C1]  panic+0x210/0x640
[   45.399002][    C1]  ? napi_gro_receive+0x28f/0x330
[   45.404001][    C1]  ? vprintk_func+0x8d/0x140
[   45.408568][    C1]  kcsan_report.cold+0xc/0x10
[   45.413225][    C1]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   45.418746][    C1]  __tsan_read4+0x2c/0x30
[   45.423062][    C1]  __nf_conntrack_find_get+0x284/0x880
[   45.429088][    C1]  ? __tsan_write2+0x32/0x40
[   45.433654][    C1]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   45.439270][    C1]  nf_conntrack_in+0x2ef/0xa80
[   45.444016][    C1]  ipv4_conntrack_in+0x27/0x40
[   45.448758][    C1]  nf_hook_slow+0x83/0x160
[   45.453158][    C1]  ? nf_ct_bridge_unregister+0x70/0x70
[   45.458593][    C1]  ip_rcv+0x12f/0x1a0
[   45.462554][    C1]  ? ip_sublist_rcv+0x5e0/0x5e0
[   45.467388][    C1]  ? ip_local_deliver+0x210/0x210
[   45.472390][    C1]  __netif_receive_skb_one_core+0xa7/0xe0
[   45.478085][    C1]  __netif_receive_skb+0x37/0xf0
[   45.483524][    C1]  netif_receive_skb_internal+0x59/0x190
[   45.489136][    C1]  napi_gro_receive+0x28f/0x330
[   45.493966][    C1]  receive_buf+0x284/0x30b0
[   45.498486][    C1]  ? __tsan_write8+0x32/0x40
[   45.503060][    C1]  ? virtqueue_get_buf_ctx+0x4fd/0x5c0
[   45.508494][    C1]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   45.514101][    C1]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   45.519748][    C1]  virtnet_poll+0x436/0x7d0
[   45.524235][    C1]  net_rx_action+0x3ae/0xa90
[   45.528810][    C1]  __do_softirq+0x115/0x33f
[   45.533336][    C1]  ? takeover_tasklets+0x250/0x250
[   45.538420][    C1]  run_ksoftirqd+0x46/0x60
[   45.542828][    C1]  smpboot_thread_fn+0x37d/0x4a0
[   45.547745][    C1]  kthread+0x1d4/0x200
[   45.551789][    C1]  ? constant_test_bit.constprop.0+0x30/0x30
[   45.557745][    C1]  ? kthread_stop+0x2d0/0x2d0
[   45.562398][    C1]  ret_from_fork+0x1f/0x30
[   45.568010][    C1] Kernel Offset: disabled
[   45.572328][    C1] Rebooting in 86400 seconds..