Warning: Permanently added '10.128.0.220' (ECDSA) to the list of known hosts. 2019/10/04 12:31:27 fuzzer started 2019/10/04 12:31:28 dialing manager at 10.128.0.105:38119 2019/10/04 12:31:28 syscalls: 2523 2019/10/04 12:31:28 code coverage: enabled 2019/10/04 12:31:28 comparison tracing: enabled 2019/10/04 12:31:28 extra coverage: extra coverage is not supported by the kernel 2019/10/04 12:31:28 setuid sandbox: enabled 2019/10/04 12:31:28 namespace sandbox: enabled 2019/10/04 12:31:28 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/04 12:31:28 fault injection: enabled 2019/10/04 12:31:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/04 12:31:28 net packet injection: enabled 2019/10/04 12:31:28 net device setup: enabled 2019/10/04 12:31:28 concurrency sanitizer: enabled [ 55.234210][ C0] ================================================================== [ 55.242654][ C0] BUG: KCSAN: data-race in __nf_conntrack_find_get+0x284/0x870 and __nf_ct_refresh_acct+0xfb/0x1b0 [ 55.254080][ C0] [ 55.256390][ C0] write to 0xffff888125072f08 of 4 bytes by task 7188 on cpu 1: [ 55.264006][ C0] __nf_ct_refresh_acct+0xfb/0x1b0 [ 55.269108][ C0] nf_conntrack_tcp_packet+0xd40/0x3390 [ 55.274640][ C0] nf_conntrack_in+0x410/0xaa0 [ 55.279379][ C0] ipv4_conntrack_local+0xbe/0x130 [ 55.284470][ C0] nf_hook_slow+0x83/0x160 [ 55.288877][ C0] __ip_local_out+0x1f7/0x2b0 [ 55.293540][ C0] ip_local_out+0x31/0x90 [ 55.297847][ C0] __ip_queue_xmit+0x3a8/0xa40 [ 55.302586][ C0] ip_queue_xmit+0x45/0x60 [ 55.306980][ C0] __tcp_transmit_skb+0xdeb/0x1cd0 [ 55.312084][ C0] __tcp_send_ack+0x246/0x300 [ 55.316753][ C0] tcp_send_ack+0x34/0x40 [ 55.321070][ C0] tcp_cleanup_rbuf+0x130/0x360 [ 55.325897][ C0] tcp_recvmsg+0x633/0x1a30 [ 55.330386][ C0] [ 55.332708][ C0] read to 0xffff888125072f08 of 4 bytes by interrupt on cpu 0: [ 55.340253][ C0] __nf_conntrack_find_get+0x284/0x870 [ 55.345686][ C0] nf_conntrack_in+0x2ef/0xaa0 [ 55.350437][ C0] ipv4_conntrack_in+0x27/0x40 [ 55.355178][ C0] nf_hook_slow+0x83/0x160 [ 55.359584][ C0] ip_rcv+0x12f/0x1a0 [ 55.363544][ C0] __netif_receive_skb_one_core+0xa7/0xe0 [ 55.369243][ C0] __netif_receive_skb+0x37/0xf0 [ 55.374161][ C0] netif_receive_skb_internal+0x59/0x190 [ 55.379768][ C0] napi_gro_receive+0x28f/0x330 [ 55.384609][ C0] receive_buf+0x284/0x30b0 [ 55.389095][ C0] virtnet_poll+0x436/0x7d0 [ 55.393573][ C0] net_rx_action+0x3ae/0xa50 [ 55.398153][ C0] __do_softirq+0x115/0x33f [ 55.402625][ C0] [ 55.404927][ C0] Reported by Kernel Concurrency Sanitizer on: [ 55.411059][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0+ #0 [ 55.417968][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.427999][ C0] ================================================================== [ 55.436124][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 55.442688][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.3.0+ #0 [ 55.449620][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.459649][ C0] Call Trace: [ 55.462935][ C0] dump_stack+0xf5/0x159 [ 55.467164][ C0] panic+0x209/0x639 [ 55.471051][ C0] ? vprintk_func+0x8d/0x140 [ 55.475636][ C0] kcsan_report.cold+0x57/0xeb [ 55.480380][ C0] __kcsan_setup_watchpoint+0x342/0x500 [ 55.485906][ C0] __tsan_read4+0x2c/0x30 [ 55.490246][ C0] __nf_conntrack_find_get+0x284/0x870 [ 55.495693][ C0] ? __tsan_write2+0x32/0x40 [ 55.500286][ C0] ? nf_ct_get_tuple+0x325/0x490 [ 55.505207][ C0] nf_conntrack_in+0x2ef/0xaa0 [ 55.509955][ C0] ipv4_conntrack_in+0x27/0x40 [ 55.514722][ C0] nf_hook_slow+0x83/0x160 [ 55.519127][ C0] ? nf_ct_l4proto_find+0xd0/0xd0 [ 55.524129][ C0] ip_rcv+0x12f/0x1a0 [ 55.528093][ C0] ? ip_sublist_rcv+0x5e0/0x5e0 [ 55.533018][ C0] ? ip_local_deliver+0x210/0x210 [ 55.538036][ C0] __netif_receive_skb_one_core+0xa7/0xe0 [ 55.543888][ C0] __netif_receive_skb+0x37/0xf0 [ 55.548831][ C0] netif_receive_skb_internal+0x59/0x190 [ 55.554448][ C0] napi_gro_receive+0x28f/0x330 [ 55.559388][ C0] receive_buf+0x284/0x30b0 [ 55.563886][ C0] ? __tsan_write8+0x32/0x40 [ 55.568462][ C0] ? virtqueue_get_buf_ctx+0x4fd/0x5c0 [ 55.573897][ C0] ? virtqueue_get_buf+0x31/0x40 [ 55.578817][ C0] virtnet_poll+0x436/0x7d0 [ 55.583317][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 55.589538][ C0] net_rx_action+0x3ae/0xa50 [ 55.594120][ C0] __do_softirq+0x115/0x33f [ 55.598617][ C0] ? takeover_tasklets+0x250/0x250 [ 55.603706][ C0] run_ksoftirqd+0x46/0x60 [ 55.608101][ C0] smpboot_thread_fn+0x37d/0x4a0 [ 55.613019][ C0] kthread+0x1d4/0x200 [ 55.617155][ C0] ? constant_test_bit.constprop.0+0x30/0x30 [ 55.623126][ C0] ? kthread_bind+0x50/0x50 [ 55.627622][ C0] ret_from_fork+0x1f/0x30 [ 55.633598][ C0] Kernel Offset: disabled [ 55.637919][ C0] Rebooting in 86400 seconds..