Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. 2019/10/22 03:14:29 fuzzer started 2019/10/22 03:14:31 dialing manager at 10.128.0.105:37053 2019/10/22 03:14:31 syscalls: 2524 2019/10/22 03:14:31 code coverage: enabled 2019/10/22 03:14:31 comparison tracing: enabled 2019/10/22 03:14:31 extra coverage: extra coverage is not supported by the kernel 2019/10/22 03:14:31 setuid sandbox: enabled 2019/10/22 03:14:31 namespace sandbox: enabled 2019/10/22 03:14:31 Android sandbox: /sys/fs/selinux/policy does not exist 2019/10/22 03:14:31 fault injection: enabled 2019/10/22 03:14:31 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/10/22 03:14:31 net packet injection: enabled 2019/10/22 03:14:31 net device setup: enabled 2019/10/22 03:14:31 concurrency sanitizer: enabled syzkaller login: [ 54.579754][ T7209] ================================================================== [ 54.587900][ T7209] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct [ 54.596126][ T7209] [ 54.598439][ T7209] read to 0xffff88812687bb08 of 4 bytes by interrupt on cpu 1: [ 54.606022][ T7209] __nf_ct_refresh_acct+0xd4/0x1b0 [ 54.611114][ T7209] nf_conntrack_tcp_packet+0xd40/0x3390 [ 54.616640][ T7209] nf_conntrack_in+0x410/0xa80 [ 54.621428][ T7209] ipv4_conntrack_in+0x27/0x40 [ 54.626188][ T7209] nf_hook_slow+0x83/0x160 [ 54.630595][ T7209] ip_rcv+0x12f/0x1a0 [ 54.634563][ T7209] __netif_receive_skb_one_core+0xa7/0xe0 [ 54.640260][ T7209] __netif_receive_skb+0x37/0xf0 [ 54.645177][ T7209] netif_receive_skb_internal+0x59/0x190 [ 54.650788][ T7209] napi_gro_receive+0x28f/0x330 [ 54.655618][ T7209] receive_buf+0x284/0x30b0 [ 54.660115][ T7209] virtnet_poll+0x436/0x7d0 [ 54.664599][ T7209] net_rx_action+0x3ae/0xa90 [ 54.669169][ T7209] __do_softirq+0x115/0x33f [ 54.673658][ T7209] [ 54.675971][ T7209] write to 0xffff88812687bb08 of 4 bytes by task 7209 on cpu 0: [ 54.683668][ T7209] __nf_ct_refresh_acct+0xfb/0x1b0 [ 54.688774][ T7209] nf_conntrack_tcp_packet+0xd40/0x3390 [ 54.694310][ T7209] nf_conntrack_in+0x410/0xa80 [ 54.699141][ T7209] ipv4_conntrack_local+0xbe/0x130 [ 54.704323][ T7209] nf_hook_slow+0x83/0x160 [ 54.708724][ T7209] __ip_local_out+0x1f7/0x2b0 [ 54.713397][ T7209] ip_local_out+0x31/0x90 [ 54.717728][ T7209] __ip_queue_xmit+0x3a8/0xa40 [ 54.722490][ T7209] ip_queue_xmit+0x45/0x60 [ 54.726887][ T7209] __tcp_transmit_skb+0xe81/0x1d60 [ 54.731980][ T7209] __tcp_send_ack+0x246/0x300 [ 54.736644][ T7209] tcp_send_ack+0x34/0x40 [ 54.740959][ T7209] tcp_cleanup_rbuf+0x130/0x360 [ 54.745795][ T7209] [ 54.748346][ T7209] Reported by Kernel Concurrency Sanitizer on: [ 54.754494][ T7209] CPU: 0 PID: 7209 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 54.762029][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.772162][ T7209] ================================================================== [ 54.780266][ T7209] Kernel panic - not syncing: panic_on_warn set ... [ 54.786837][ T7209] CPU: 0 PID: 7209 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0 [ 54.794269][ T7209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.804547][ T7209] Call Trace: [ 54.808310][ T7209] dump_stack+0xf5/0x159 [ 54.812594][ T7209] panic+0x210/0x640 [ 54.816474][ T7209] ? ip_queue_xmit+0x45/0x60 [ 54.821231][ T7209] ? vprintk_func+0x8d/0x140 [ 54.826013][ T7209] kcsan_report.cold+0xc/0x10 [ 54.830692][ T7209] __kcsan_setup_watchpoint+0x32e/0x4a0 [ 54.836236][ T7209] __tsan_write4+0x32/0x40 [ 54.840633][ T7209] __nf_ct_refresh_acct+0xfb/0x1b0 [ 54.845726][ T7209] nf_conntrack_tcp_packet+0xd40/0x3390 [ 54.851257][ T7209] ? __kcsan_setup_watchpoint+0x6b/0x4a0 [ 54.856874][ T7209] nf_conntrack_in+0x410/0xa80 [ 54.861799][ T7209] ipv4_conntrack_local+0xbe/0x130 [ 54.866893][ T7209] nf_hook_slow+0x83/0x160 [ 54.871309][ T7209] ? nf_ct_tcp_fixup+0xe0/0xe0 [ 54.876055][ T7209] __ip_local_out+0x1f7/0x2b0 [ 54.880727][ T7209] ? constant_test_bit+0x30/0x30 [ 54.885648][ T7209] ip_local_out+0x31/0x90 [ 54.889962][ T7209] __ip_queue_xmit+0x3a8/0xa40 [ 54.894710][ T7209] ip_queue_xmit+0x45/0x60 [ 54.899110][ T7209] __tcp_transmit_skb+0xe81/0x1d60 [ 54.904209][ T7209] __tcp_send_ack+0x246/0x300 [ 54.908880][ T7209] tcp_send_ack+0x34/0x40 [ 54.913205][ T7209] tcp_cleanup_rbuf+0x130/0x360 [ 54.918049][ T7209] tcp_recvmsg+0x633/0x1a30 [ 54.922541][ T7209] inet_recvmsg+0xbb/0x250 [ 54.927028][ T7209] ? __tsan_read8+0x2c/0x30 [ 54.931514][ T7209] ? inet_sendpage+0x100/0x100 [ 54.936259][ T7209] sock_recvmsg+0x92/0xb0 [ 54.940591][ T7209] sock_read_iter+0x15f/0x1e0 [ 54.945255][ T7209] new_sync_read+0x389/0x4f0 [ 54.949844][ T7209] __vfs_read+0xb1/0xc0 [ 54.953984][ T7209] vfs_read+0x143/0x2c0 [ 54.958124][ T7209] ksys_read+0xd5/0x1b0 [ 54.962473][ T7209] __x64_sys_read+0x4c/0x60 [ 54.966963][ T7209] do_syscall_64+0xcc/0x370 [ 54.971454][ T7209] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 54.977350][ T7209] RIP: 0033:0x47c530 [ 54.981228][ T7209] 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 [ 55.000824][ T7209] RSP: 002b:000000c4202c77d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000 [ 55.009227][ T7209] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530 [ 55.017906][ T7209] RDX: 0000000000001000 RSI: 000000c420052000 RDI: 0000000000000003 [ 55.025863][ T7209] RBP: 000000c4202c7830 R08: 0000000000000000 R09: 0000000000000000 [ 55.033828][ T7209] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000009 [ 55.041781][ T7209] R13: 000000c420022d00 R14: 0000000000000004 R15: ffffffffffffffff [ 55.051395][ T7209] Kernel Offset: disabled [ 55.055724][ T7209] Rebooting in 86400 seconds..