Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. 2019/10/21 16:10:55 fuzzer started 2019/10/21 16:10:57 dialing manager at 10.128.0.105:39747 2019/10/21 16:10:57 syscalls: 2524 2019/10/21 16:10:57 code coverage: enabled 2019/10/21 16:10:57 comparison tracing: enabled 2019/10/21 16:10:57 extra coverage: extra coverage is not supported by the kernel 2019/10/21 16:10:57 setuid sandbox: enabled 2019/10/21 16:10:57 namespace sandbox: enabled 2019/10/21 16:10:57 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/21 16:10:57 fault injection: enabled 2019/10/21 16:10:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/21 16:10:57 net packet injection: enabled 2019/10/21 16:10:57 net device setup: enabled 2019/10/21 16:10:57 concurrency sanitizer: enabled [ 49.985619][ T7222] ================================================================== [ 49.993975][ T7222] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct [ 50.002210][ T7222] [ 50.004708][ T7222] read to 0xffff888125f64808 of 4 bytes by interrupt on cpu 1: [ 50.012358][ T7222] __nf_ct_refresh_acct+0xd4/0x1b0 [ 50.018978][ T7222] nf_conntrack_tcp_packet+0xd40/0x3390 [ 50.024521][ T7222] nf_conntrack_in+0x410/0xa80 [ 50.029388][ T7222] ipv4_conntrack_in+0x27/0x40 [ 50.034250][ T7222] nf_hook_slow+0x83/0x160 [ 50.038697][ T7222] ip_rcv+0x12f/0x1a0 [ 50.042668][ T7222] __netif_receive_skb_one_core+0xa7/0xe0 [ 50.048413][ T7222] __netif_receive_skb+0x37/0xf0 [ 50.053337][ T7222] netif_receive_skb_internal+0x59/0x190 [ 50.058956][ T7222] napi_gro_receive+0x28f/0x330 [ 50.063803][ T7222] receive_buf+0x284/0x30b0 [ 50.068305][ T7222] virtnet_poll+0x436/0x7d0 [ 50.072798][ T7222] net_rx_action+0x3ae/0xa90 [ 50.077543][ T7222] __do_softirq+0x115/0x33f [ 50.082082][ T7222] [ 50.084499][ T7222] write to 0xffff888125f64808 of 4 bytes by task 7222 on cpu 0: [ 50.092121][ T7222] __nf_ct_refresh_acct+0xfb/0x1b0 [ 50.097219][ T7222] nf_conntrack_tcp_packet+0xd40/0x3390 [ 50.102803][ T7222] nf_conntrack_in+0x410/0xa80 [ 50.107562][ T7222] ipv4_conntrack_local+0xbe/0x130 [ 50.112664][ T7222] nf_hook_slow+0x83/0x160 [ 50.117101][ T7222] __ip_local_out+0x1f7/0x2b0 [ 50.122062][ T7222] ip_local_out+0x31/0x90 [ 50.126521][ T7222] __ip_queue_xmit+0x3a8/0xa40 [ 50.131308][ T7222] ip_queue_xmit+0x45/0x60 [ 50.135705][ T7222] __tcp_transmit_skb+0xe81/0x1d60 [ 50.140831][ T7222] __tcp_send_ack+0x246/0x300 [ 50.145505][ T7222] tcp_send_ack+0x34/0x40 [ 50.149823][ T7222] tcp_cleanup_rbuf+0x130/0x360 [ 50.154662][ T7222] [ 50.157004][ T7222] Reported by Kernel Concurrency Sanitizer on: [ 50.163317][ T7222] CPU: 0 PID: 7222 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 50.171099][ T7222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.181142][ T7222] ================================================================== [ 50.189284][ T7222] Kernel panic - not syncing: panic_on_warn set ... [ 50.195865][ T7222] CPU: 0 PID: 7222 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 50.203308][ T7222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.213349][ T7222] Call Trace: [ 50.216633][ T7222] dump_stack+0xf5/0x159 [ 50.220862][ T7222] panic+0x210/0x640 [ 50.224756][ T7222] ? ip_queue_xmit+0x45/0x60 [ 50.229385][ T7222] ? vprintk_func+0x8d/0x140 [ 50.234022][ T7222] kcsan_report.cold+0xc/0x10 [ 50.238727][ T7222] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 50.244275][ T7222] __tsan_write4+0x32/0x40 [ 50.248691][ T7222] __nf_ct_refresh_acct+0xfb/0x1b0 [ 50.253795][ T7222] nf_conntrack_tcp_packet+0xd40/0x3390 [ 50.259499][ T7222] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 50.265137][ T7222] nf_conntrack_in+0x410/0xa80 [ 50.270192][ T7222] ipv4_conntrack_local+0xbe/0x130 [ 50.275412][ T7222] nf_hook_slow+0x83/0x160 [ 50.279970][ T7222] ? nf_ct_tcp_fixup+0xe0/0xe0 [ 50.284819][ T7222] __ip_local_out+0x1f7/0x2b0 [ 50.289848][ T7222] ? constant_test_bit+0x30/0x30 [ 50.294909][ T7222] ip_local_out+0x31/0x90 [ 50.299239][ T7222] __ip_queue_xmit+0x3a8/0xa40 [ 50.304003][ T7222] ip_queue_xmit+0x45/0x60 [ 50.308414][ T7222] __tcp_transmit_skb+0xe81/0x1d60 [ 50.314701][ T7222] __tcp_send_ack+0x246/0x300 [ 50.319365][ T7222] tcp_send_ack+0x34/0x40 [ 50.323679][ T7222] tcp_cleanup_rbuf+0x130/0x360 [ 50.328632][ T7222] tcp_recvmsg+0x633/0x1a30 [ 50.333123][ T7222] ? __tsan_read8+0x2c/0x30 [ 50.337610][ T7222] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 50.343233][ T7222] inet_recvmsg+0xbb/0x250 [ 50.347649][ T7222] ? __tsan_read8+0x2c/0x30 [ 50.352136][ T7222] ? inet_sendpage+0x100/0x100 [ 50.356887][ T7222] sock_recvmsg+0x92/0xb0 [ 50.361201][ T7222] sock_read_iter+0x15f/0x1e0 [ 50.365872][ T7222] new_sync_read+0x389/0x4f0 [ 50.370453][ T7222] __vfs_read+0xb1/0xc0 [ 50.374623][ T7222] vfs_read+0x143/0x2c0 [ 50.378851][ T7222] ksys_read+0xd5/0x1b0 [ 50.383080][ T7222] __x64_sys_read+0x4c/0x60 [ 50.387572][ T7222] do_syscall_64+0xcc/0x370 [ 50.392062][ T7222] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 50.397936][ T7222] RIP: 0033:0x47c530 [ 50.401843][ T7222] 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 [ 50.421433][ T7222] RSP: 002b:000000c4204f3810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000 [ 50.429873][ T7222] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 50.437829][ T7222] RDX: 0000000000001000 RSI: 000000c420374000 RDI: 0000000000000003 [ 50.445784][ T7222] RBP: 000000c4204f3868 R08: 0000000000000000 R09: 0000000000000000 [ 50.453758][ T7222] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000004 [ 50.461713][ T7222] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff [ 50.471411][ T7222] Kernel Offset: disabled [ 50.475738][ T7222] Rebooting in 86400 seconds..