Warning: Permanently added '10.128.0.169' (ECDSA) to the list of known hosts.
2019/11/02 21:02:46 fuzzer started
2019/11/02 21:02:47 dialing manager at 10.128.0.105:46001
2019/11/02 21:02:47 checking machine...
2019/11/02 21:02:47 checking revisions...
2019/11/02 21:02:47 testing simple program...
syzkaller login: [ 50.883155][ T7227] IPVS: ftp: loaded support on port[0] = 21
2019/11/02 21:02:48 building call list...
executing program
[ 54.616473][ T7223] can: request_module (can-proto-0) failed.
[ 54.629498][ T7223] can: request_module (can-proto-0) failed.
[ 54.641953][ T7223] can: request_module (can-proto-7) failed.
[ 54.654275][ T7223] can: request_module (can-proto-0) failed.
[ 55.051553][ C0] ==================================================================
[ 55.059661][ C0] BUG: KCSAN: data-race in __nf_conntrack_find_get / __nf_ct_refresh_acct
[ 55.068127][ C0]
[ 55.070432][ C0] read to 0xffff888122bdca08 of 4 bytes by task 7211 on cpu 1:
[ 55.077959][ C0] __nf_conntrack_find_get+0x284/0x880
[ 55.083391][ C0] nf_conntrack_in+0x2ef/0xa80
[ 55.088130][ C0] ipv4_conntrack_local+0xbe/0x130
[ 55.093216][ C0] nf_hook_slow+0x83/0x160
[ 55.097604][ C0] __ip_local_out+0x1f7/0x2b0
[ 55.102251][ C0] ip_local_out+0x31/0x90
[ 55.106563][ C0] __ip_queue_xmit+0x3a8/0xa40
[ 55.111309][ C0] ip_queue_xmit+0x45/0x60
[ 55.115703][ C0] __tcp_transmit_skb+0xe81/0x1d60
[ 55.120796][ C0] tcp_write_xmit+0x9f3/0x3080
[ 55.125539][ C0] __tcp_push_pending_frames+0x7b/0x1d0
[ 55.131059][ C0] tcp_push+0x1e9/0x3d0
[ 55.135190][ C0] tcp_sendmsg_locked+0x1d1e/0x1f30
[ 55.140360][ C0] tcp_sendmsg+0x39/0x60
[ 55.144643][ C0]
[ 55.146961][ C0] write to 0xffff888122bdca08 of 4 bytes by interrupt on cpu 0:
[ 55.154583][ C0] __nf_ct_refresh_acct+0xfb/0x1b0
[ 55.159675][ C0] nf_conntrack_tcp_packet+0xd40/0x3390
[ 55.165226][ C0] nf_conntrack_in+0x410/0xa80
[ 55.169962][ C0] ipv4_conntrack_in+0x27/0x40
[ 55.174711][ C0] nf_hook_slow+0x83/0x160
[ 55.179103][ C0] ip_rcv+0x12f/0x1a0
[ 55.183061][ C0] __netif_receive_skb_one_core+0xa7/0xe0
[ 55.188755][ C0] __netif_receive_skb+0x37/0xf0
[ 55.193767][ C0] netif_receive_skb_internal+0x59/0x190
[ 55.199373][ C0] napi_gro_receive+0x28f/0x330
[ 55.204199][ C0] receive_buf+0x284/0x30b0
[ 55.208676][ C0] virtnet_poll+0x436/0x7d0
[ 55.213155][ C0] net_rx_action+0x3ae/0xa90
[ 55.217713][ C0]
[ 55.220012][ C0] Reported by Kernel Concurrency Sanitizer on:
[ 55.226218][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0
[ 55.233314][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.243351][ C0] ==================================================================
[ 55.251452][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 55.258046][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-rc3+ #0
[ 55.265127][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 55.275155][ C0] Call Trace:
[ 55.278411][ C0]
[ 55.281246][ C0] dump_stack+0xf5/0x159
[ 55.285465][ C0] panic+0x210/0x640
[ 55.289352][ C0] ? netif_receive_skb_internal+0x59/0x190
[ 55.295144][ C0] ? vprintk_func+0x8d/0x140
[ 55.299715][ C0] kcsan_report.cold+0xc/0x10
[ 55.304367][ C0] __kcsan_setup_watchpoint+0x32e/0x4a0
[ 55.309887][ C0] __tsan_write4+0x32/0x40
[ 55.314282][ C0] __nf_ct_refresh_acct+0xfb/0x1b0
[ 55.319370][ C0] nf_conntrack_tcp_packet+0xd40/0x3390
[ 55.324900][ C0] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 55.330519][ C0] nf_conntrack_in+0x410/0xa80
[ 55.335275][ C0] ipv4_conntrack_in+0x27/0x40
[ 55.340024][ C0] nf_hook_slow+0x83/0x160
[ 55.344426][ C0] ? nf_ct_bridge_unregister+0x70/0x70
[ 55.349862][ C0] ip_rcv+0x12f/0x1a0
[ 55.353821][ C0] ? ip_sublist_rcv+0x5e0/0x5e0
[ 55.358651][ C0] ? ip_local_deliver+0x210/0x210
[ 55.363655][ C0] __netif_receive_skb_one_core+0xa7/0xe0
[ 55.369368][ C0] __netif_receive_skb+0x37/0xf0
[ 55.374285][ C0] netif_receive_skb_internal+0x59/0x190
[ 55.379903][ C0] napi_gro_receive+0x28f/0x330
[ 55.384734][ C0] receive_buf+0x284/0x30b0
[ 55.389218][ C0] ? __tsan_write8+0x32/0x40
[ 55.393790][ C0] ? virtqueue_get_buf_ctx+0x4fd/0x5c0
[ 55.399222][ C0] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 55.404828][ C0] ? __kcsan_setup_watchpoint+0x6b/0x4a0
[ 55.410475][ C0] virtnet_poll+0x436/0x7d0
[ 55.414987][ C0] net_rx_action+0x3ae/0xa90
[ 55.419566][ C0] __do_softirq+0x115/0x33f
[ 55.424050][ C0] irq_exit+0xbb/0xe0
[ 55.428016][ C0] do_IRQ+0xa6/0x180
[ 55.431887][ C0] common_interrupt+0xf/0xf
[ 55.436360][ C0]
[ 55.439279][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 55.444629][ 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
[ 55.464207][ C0] RSP: 0018:ffffffff85a03de0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffffda
[ 55.472591][ C0] RAX: 89374bc6a7f24294 RBX: ffffffff85a2b780 RCX: 000000000000043e
[ 55.480537][ C0] RDX: 00000000024b8e10 RSI: 020c49ba5e353f7d RDI: ffffffff85a563b8
[ 55.488484][ C0] RBP: ffffffff85a03e18 R08: 0000000000000000 R09: 0000ffff85a563bf
[ 55.496434][ C0] R10: 00000000aaaaaaab R11: ffffffff86045cc8 R12: 0000000000000000
[ 55.504381][ C0] R13: ffffffff85a2b780 R14: 0000000000000000 R15: 0000000000000000
[ 55.512338][ C0] ? default_idle+0x50/0x230
[ 55.516909][ C0] arch_cpu_idle+0x1f/0x30
[ 55.521303][ C0] default_idle_call+0x1e/0x40
[ 55.526043][ C0] do_idle+0x1af/0x280
[ 55.530102][ C0] cpu_startup_entry+0x1b/0x20
[ 55.534840][ C0] rest_init+0xec/0xf6
[ 55.538890][ C0] ? trace_event_define_fields_vector_free_moved+0xce/0xce
[ 55.546060][ C0] arch_call_rest_init+0x17/0x37
[ 55.550970][ C0] start_kernel+0x838/0x85e
[ 55.555451][ C0] x86_64_start_reservations+0x29/0x2b
[ 55.560882][ C0] x86_64_start_kernel+0x72/0x76
[ 55.565792][ C0] secondary_startup_64+0xa4/0xb0
[ 55.571901][ C0] Kernel Offset: disabled
[ 55.576227][ C0] Rebooting in 86400 seconds..