Warning: Permanently added '10.128.10.53' (ECDSA) to the list of known hosts.
2019/10/22 03:21:55 fuzzer started
2019/10/22 03:21:56 dialing manager at 10.128.0.105:37053
2019/10/22 03:21:56 syscalls: 2524
2019/10/22 03:21:56 code coverage: enabled
2019/10/22 03:21:56 comparison tracing: enabled
2019/10/22 03:21:56 extra coverage: extra coverage is not supported by the kernel
2019/10/22 03:21:56 setuid sandbox: enabled
2019/10/22 03:21:56 namespace sandbox: enabled
2019/10/22 03:21:56 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/22 03:21:56 fault injection: enabled
2019/10/22 03:21:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/22 03:21:56 net packet injection: enabled
2019/10/22 03:21:56 net device setup: enabled
2019/10/22 03:21:56 concurrency sanitizer: enabled
syzkaller login: [ 51.797832][ C0] ==================================================================
[ 51.805952][ C0] BUG: KCSAN: data-race in __nf_conntrack_find_get / __nf_ct_refresh_acct
[ 51.814419][ C0]
[ 51.816819][ C0] write to 0xffff888121d5f208 of 4 bytes by task 7208 on cpu 1:
[ 51.824451][ C0] __nf_ct_refresh_acct+0xfb/0x1b0
[ 51.829551][ C0] nf_conntrack_tcp_packet+0xd40/0x3390
[ 51.835072][ C0] nf_conntrack_in+0x410/0xa80
[ 51.839810][ C0] ipv4_conntrack_local+0xbe/0x130
[ 51.844898][ C0] nf_hook_slow+0x83/0x160
[ 51.849291][ C0] __ip_local_out+0x1f7/0x2b0
[ 51.853950][ C0] ip_local_out+0x31/0x90
[ 51.858265][ C0] __ip_queue_xmit+0x3a8/0xa40
[ 51.863003][ C0] ip_queue_xmit+0x45/0x60
[ 51.867423][ C0] __tcp_transmit_skb+0xe81/0x1d60
[ 51.872514][ C0] __tcp_send_ack+0x246/0x300
[ 51.877545][ C0] tcp_send_ack+0x34/0x40
[ 51.881937][ C0] tcp_cleanup_rbuf+0x130/0x360
[ 51.886765][ C0] tcp_recvmsg+0x633/0x1a30
[ 51.891237][ C0]
[ 51.893557][ C0] read to 0xffff888121d5f208 of 4 bytes by interrupt on cpu 0:
[ 51.901072][ C0] __nf_conntrack_find_get+0x284/0x880
[ 51.906524][ C0] nf_conntrack_in+0x2ef/0xa80
[ 51.911267][ C0] ipv4_conntrack_in+0x27/0x40
[ 51.916005][ C0] nf_hook_slow+0x83/0x160
[ 51.920394][ C0] ip_rcv+0x12f/0x1a0
[ 51.924355][ C0] __netif_receive_skb_one_core+0xa7/0xe0
[ 51.930048][ C0] __netif_receive_skb+0x37/0xf0
[ 51.934960][ C0] netif_receive_skb_internal+0x59/0x190
[ 51.940581][ C0] napi_gro_receive+0x28f/0x330
[ 51.945410][ C0] receive_buf+0x284/0x30b0
[ 51.949975][ C0] virtnet_poll+0x436/0x7d0
[ 51.954473][ C0] net_rx_action+0x3ae/0xa90
[ 51.959063][ C0] __do_softirq+0x115/0x33f
[ 51.963559][ C0]
[ 51.965863][ C0] Reported by Kernel Concurrency Sanitizer on:
[ 51.971989][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0
[ 51.979081][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 51.989223][ C0] ==================================================================
[ 51.997256][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 52.003817][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0
[ 52.010905][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.020940][ C0] Call Trace:
[ 52.024197][ C0]
[ 52.027031][ C0] dump_stack+0xf5/0x159
[ 52.031251][ C0] panic+0x210/0x640
[ 52.035126][ C0] ? napi_gro_receive+0x28f/0x330
[ 52.040139][ C0] ? vprintk_func+0x8d/0x140
[ 52.044979][ C0] kcsan_report.cold+0xc/0x10
[ 52.049814][ C0] __kcsan_setup_watchpoint+0x32e/0x4a0
[ 52.055337][ C0] __tsan_read4+0x2c/0x30
[ 52.059644][ C0] __nf_conntrack_find_get+0x284/0x880
[ 52.065076][ C0] ? __tsan_write2+0x32/0x40
[ 52.069643][ C0] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 52.075273][ C0] nf_conntrack_in+0x2ef/0xa80
[ 52.080018][ C0] ipv4_conntrack_in+0x27/0x40
[ 52.085021][ C0] nf_hook_slow+0x83/0x160
[ 52.089436][ C0] ? nf_ct_bridge_unregister+0x70/0x70
[ 52.094872][ C0] ip_rcv+0x12f/0x1a0
[ 52.098840][ C0] ? ip_sublist_rcv+0x5e0/0x5e0
[ 52.103666][ C0] ? ip_local_deliver+0x210/0x210
[ 52.108666][ C0] __netif_receive_skb_one_core+0xa7/0xe0
[ 52.114364][ C0] __netif_receive_skb+0x37/0xf0
[ 52.119279][ C0] netif_receive_skb_internal+0x59/0x190
[ 52.124888][ C0] napi_gro_receive+0x28f/0x330
[ 52.129717][ C0] receive_buf+0x284/0x30b0
[ 52.134198][ C0] ? __tsan_write8+0x32/0x40
[ 52.138769][ C0] ? virtqueue_get_buf_ctx+0x4fd/0x5c0
[ 52.144202][ C0] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 52.149822][ C0] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 52.155445][ C0] virtnet_poll+0x436/0x7d0
[ 52.159928][ C0] ? common_interrupt+0xf/0xf
[ 52.164585][ C0] net_rx_action+0x3ae/0xa90
[ 52.169155][ C0] __do_softirq+0x115/0x33f
[ 52.173637][ C0] irq_exit+0xbb/0xe0
[ 52.177612][ C0] do_IRQ+0xa6/0x180
[ 52.181489][ C0] common_interrupt+0xf/0xf
[ 52.185973][ C0]
[ 52.188893][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 52.194254][ C0] Code: 90 90 90 90 90 90 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d fc b2 4b 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d ec b2 4b 00 fb f4 90 55 48 89 e5 41 55 41 54 53 e8 72 12 a4 fc e8 6d 8e b8 fd 0f
[ 52.213933][ C0] RSP: 0018:ffffffff85a03de0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffffda
[ 52.222332][ C0] RAX: 6a7ef9db22d11f5d RBX: ffffffff85a2b780 RCX: 000000000000034c
[ 52.231495][ C0] RDX: 00000000003252d0 RSI: 020c49ba5e353f7d RDI: ffffffff85a563b8
[ 52.239442][ C0] RBP: ffffffff85a03e18 R08: 0000000000000000 R09: 0000ffff85a563bf
[ 52.247406][ C0] R10: 00000000aaaaaaab R11: ffffffff86045cc8 R12: 0000000000000000
[ 52.255365][ C0] R13: ffffffff85a2b780 R14: 0000000000000000 R15: 0000000000000000
[ 52.263335][ C0] ? default_idle+0x50/0x230
[ 52.267916][ C0] arch_cpu_idle+0x1f/0x30
[ 52.272323][ C0] default_idle_call+0x1e/0x40
[ 52.277069][ C0] do_idle+0x1af/0x280
[ 52.281121][ C0] cpu_startup_entry+0x1b/0x20
[ 52.285875][ C0] rest_init+0xec/0xf6
[ 52.289933][ C0] ? trace_event_define_fields_vector_free_moved+0xce/0xce
[ 52.297107][ C0] arch_call_rest_init+0x17/0x37
[ 52.302025][ C0] start_kernel+0x838/0x85e
[ 52.306539][ C0] x86_64_start_reservations+0x29/0x2b
[ 52.311979][ C0] x86_64_start_kernel+0x72/0x76
[ 52.316897][ C0] secondary_startup_64+0xa4/0xb0
[ 52.322703][ C0] Kernel Offset: disabled
[ 52.327022][ C0] Rebooting in 86400 seconds..