Warning: Permanently added '10.128.0.185' (ECDSA) to the list of known hosts. 2019/10/22 00:20:06 fuzzer started 2019/10/22 00:20:08 dialing manager at 10.128.0.105:39747 2019/10/22 00:20:08 syscalls: 2524 2019/10/22 00:20:08 code coverage: enabled 2019/10/22 00:20:08 comparison tracing: enabled 2019/10/22 00:20:08 extra coverage: extra coverage is not supported by the kernel 2019/10/22 00:20:08 setuid sandbox: enabled 2019/10/22 00:20:08 namespace sandbox: enabled 2019/10/22 00:20:08 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/22 00:20:08 fault injection: enabled 2019/10/22 00:20:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/22 00:20:08 net packet injection: enabled 2019/10/22 00:20:08 net device setup: enabled 2019/10/22 00:20:08 concurrency sanitizer: enabled gin: [ 54.941771][ T7218] ================================================================== [ 54.949909][ T7218] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct [ 54.958128][ T7218] [ 54.960605][ T7218] read to 0xffff888126a21708 of 4 bytes by interrupt on cpu 0: [ 54.968142][ T7218] __nf_ct_refresh_acct+0xd4/0x1b0 [ 54.973232][ T7218] nf_conntrack_tcp_packet+0xd40/0x3390 [ 54.979536][ T7218] nf_conntrack_in+0x410/0xa80 [ 54.984316][ T7218] ipv4_conntrack_in+0x27/0x40 [ 54.989066][ T7218] nf_hook_slow+0x83/0x160 [ 54.993525][ T7218] ip_rcv+0x12f/0x1a0 [ 54.997511][ T7218] __netif_receive_skb_one_core+0xa7/0xe0 [ 55.003212][ T7218] __netif_receive_skb+0x37/0xf0 [ 55.008147][ T7218] netif_receive_skb_internal+0x59/0x190 [ 55.013764][ T7218] napi_gro_receive+0x28f/0x330 [ 55.018593][ T7218] receive_buf+0x284/0x30b0 [ 55.023084][ T7218] virtnet_poll+0x436/0x7d0 [ 55.027579][ T7218] net_rx_action+0x3ae/0xa90 [ 55.032154][ T7218] __do_softirq+0x115/0x33f [ 55.036629][ T7218] [ 55.038940][ T7218] write to 0xffff888126a21708 of 4 bytes by task 7218 on cpu 1: [ 55.046550][ T7218] __nf_ct_refresh_acct+0xfb/0x1b0 [ 55.051637][ T7218] nf_conntrack_tcp_packet+0xd40/0x3390 [ 55.057169][ T7218] nf_conntrack_in+0x410/0xa80 [ 55.061924][ T7218] ipv4_conntrack_local+0xbe/0x130 [ 55.067040][ T7218] nf_hook_slow+0x83/0x160 [ 55.071433][ T7218] __ip_local_out+0x1f7/0x2b0 [ 55.076081][ T7218] ip_local_out+0x31/0x90 [ 55.080387][ T7218] __ip_queue_xmit+0x3a8/0xa40 [ 55.085139][ T7218] ip_queue_xmit+0x45/0x60 [ 55.089529][ T7218] __tcp_transmit_skb+0xe81/0x1d60 [ 55.094617][ T7218] __tcp_send_ack+0x246/0x300 [ 55.099281][ T7218] tcp_send_ack+0x34/0x40 [ 55.103600][ T7218] tcp_cleanup_rbuf+0x130/0x360 [ 55.108422][ T7218] [ 55.110722][ T7218] Reported by Kernel Concurrency Sanitizer on: [ 55.116853][ T7218] CPU: 1 PID: 7218 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 55.124296][ T7218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.134327][ T7218] ================================================================== [ 55.142363][ T7218] Kernel panic - not syncing: panic_on_warn set ... [ 55.148926][ T7218] CPU: 1 PID: 7218 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 55.156364][ T7218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.166406][ T7218] Call Trace: [ 55.169679][ T7218] dump_stack+0xf5/0x159 [ 55.173901][ T7218] panic+0x210/0x640 [ 55.177776][ T7218] ? ip_queue_xmit+0x45/0x60 [ 55.182343][ T7218] ? vprintk_func+0x8d/0x140 [ 55.186910][ T7218] kcsan_report.cold+0xc/0x10 [ 55.191564][ T7218] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 55.197084][ T7218] __tsan_write4+0x32/0x40 [ 55.201478][ T7218] __nf_ct_refresh_acct+0xfb/0x1b0 [ 55.206569][ T7218] nf_conntrack_tcp_packet+0xd40/0x3390 [ 55.212109][ T7218] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 55.217743][ T7218] nf_conntrack_in+0x410/0xa80 [ 55.222488][ T7218] ipv4_conntrack_local+0xbe/0x130 [ 55.227598][ T7218] nf_hook_slow+0x83/0x160 [ 55.232004][ T7218] ? nf_ct_tcp_fixup+0xe0/0xe0 [ 55.236768][ T7218] __ip_local_out+0x1f7/0x2b0 [ 55.241424][ T7218] ? constant_test_bit+0x30/0x30 [ 55.246446][ T7218] ip_local_out+0x31/0x90 [ 55.250755][ T7218] __ip_queue_xmit+0x3a8/0xa40 [ 55.255498][ T7218] ip_queue_xmit+0x45/0x60 [ 55.259893][ T7218] __tcp_transmit_skb+0xe81/0x1d60 [ 55.264990][ T7218] __tcp_send_ack+0x246/0x300 [ 55.269655][ T7218] tcp_send_ack+0x34/0x40 [ 55.273962][ T7218] tcp_cleanup_rbuf+0x130/0x360 [ 55.278801][ T7218] tcp_recvmsg+0x633/0x1a30 [ 55.283286][ T7218] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 55.288898][ T7218] inet_recvmsg+0xbb/0x250 [ 55.293289][ T7218] ? __tsan_read8+0x2c/0x30 [ 55.297770][ T7218] ? inet_sendpage+0x100/0x100 [ 55.302530][ T7218] sock_recvmsg+0x92/0xb0 [ 55.306837][ T7218] sock_read_iter+0x15f/0x1e0 [ 55.311496][ T7218] new_sync_read+0x389/0x4f0 [ 55.316066][ T7218] __vfs_read+0xb1/0xc0 [ 55.320199][ T7218] vfs_read+0x143/0x2c0 [ 55.324331][ T7218] ksys_read+0xd5/0x1b0 [ 55.328467][ T7218] __x64_sys_read+0x4c/0x60 [ 55.335294][ T7218] do_syscall_64+0xcc/0x370 [ 55.339783][ T7218] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 55.345659][ T7218] RIP: 0033:0x47c530 [ 55.349576][ T7218] Code: 8b 7c 24 10 48 8b 74 24 18 48 8b 54 24 20 49 c7 c2 00 00 00 00 49 c7 c0 00 00 00 00 49 c7 c1 00 00 00 00 48 8b 44 24 08 0f 05 <48> 3d 01 f0 ff ff 76 20 48 c7 44 24 28 ff ff ff ff 48 c7 44 24 30 [ 55.369161][ T7218] RSP: 002b:000000c4201b57d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 55.377551][ T7218] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 55.385500][ T7218] RDX: 0000000000001000 RSI: 000000c4200c6000 RDI: 0000000000000003 [ 55.393505][ T7218] RBP: 000000c4201b5830 R08: 0000000000000000 R09: 0000000000000000 [ 55.401453][ T7218] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000008 [ 55.409413][ T7218] R13: ffffffffffffffff R14: 0000000000000020 R15: ffffffffffffffff [ 55.418234][ T7218] Kernel Offset: disabled [ 55.422572][ T7218] Rebooting in 86400 seconds..