Warning: Permanently added '10.128.15.219' (ECDSA) to the list of known hosts.
2019/10/23 14:28:17 fuzzer started
2019/10/23 14:28:19 dialing manager at 10.128.0.105:40369
2019/10/23 14:28:19 syscalls: 2524
2019/10/23 14:28:19 code coverage: enabled
2019/10/23 14:28:19 comparison tracing: enabled
2019/10/23 14:28:19 extra coverage: extra coverage is not supported by the kernel
2019/10/23 14:28:19 setuid sandbox: enabled
2019/10/23 14:28:19 namespace sandbox: enabled
2019/10/23 14:28:19 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/23 14:28:19 fault injection: enabled
2019/10/23 14:28:19 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/23 14:28:19 net packet injection: enabled
2019/10/23 14:28:19 net device setup: enabled
2019/10/23 14:28:19 concurrency sanitizer: enabled
2019/10/23 14:28:23 adding functions to KCSAN blacklist: 'generic_write_end' 'pcpu_alloc' 'tick_do_update_jiffies64' '__nf_conntrack_find_get' 'echo_char' 'find_next_bit' 'taskstats_exit' 'tomoyo_supervisor' 'generic_permission' 'tcp_poll' 'ktime_get_real_seconds' 'ext4_has_free_clusters' 'vti_tunnel_xmit' 'generic_fillattr' '__hrtimer_run_queues' 'common_perm_cond' 'add_timer' 'tick_nohz_idle_stop_tick' 'tcp_add_backlog' 'ep_poll' 'find_get_pages_range_tag' 
syzkaller login: [   52.293798][ T7242] ==================================================================
[   52.302219][ T7242] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct
[   52.310437][ T7242] 
[   52.312759][ T7242] read to 0xffff88812355ea08 of 4 bytes by interrupt on cpu 1:
[   52.320281][ T7242]  __nf_ct_refresh_acct+0xd4/0x1b0
[   52.325369][ T7242]  nf_conntrack_tcp_packet+0xd40/0x3390
[   52.330891][ T7242]  nf_conntrack_in+0x410/0xa80
[   52.335632][ T7242]  ipv4_conntrack_in+0x27/0x40
[   52.340384][ T7242]  nf_hook_slow+0x83/0x160
[   52.344775][ T7242]  ip_rcv+0x12f/0x1a0
[   52.348750][ T7242]  __netif_receive_skb_one_core+0xa7/0xe0
[   52.354445][ T7242]  __netif_receive_skb+0x37/0xf0
[   52.359361][ T7242]  netif_receive_skb_internal+0x59/0x190
[   52.364971][ T7242]  napi_gro_receive+0x28f/0x330
[   52.369801][ T7242]  receive_buf+0x284/0x30b0
[   52.374282][ T7242]  virtnet_poll+0x436/0x7d0
[   52.379026][ T7242]  net_rx_action+0x3ae/0xa90
[   52.383601][ T7242]  __do_softirq+0x115/0x33f
[   52.388075][ T7242] 
[   52.390386][ T7242] write to 0xffff88812355ea08 of 4 bytes by task 7242 on cpu 0:
[   52.397996][ T7242]  __nf_ct_refresh_acct+0xfb/0x1b0
[   52.403087][ T7242]  nf_conntrack_tcp_packet+0xd40/0x3390
[   52.408610][ T7242]  nf_conntrack_in+0x410/0xa80
[   52.413349][ T7242]  ipv4_conntrack_local+0xbe/0x130
[   52.418441][ T7242]  nf_hook_slow+0x83/0x160
[   52.422900][ T7242]  __ip_local_out+0x1f7/0x2b0
[   52.427591][ T7242]  ip_local_out+0x31/0x90
[   52.431909][ T7242]  __ip_queue_xmit+0x3a8/0xa40
[   52.436673][ T7242]  ip_queue_xmit+0x45/0x60
[   52.441077][ T7242]  __tcp_transmit_skb+0xe81/0x1d60
[   52.446164][ T7242]  __tcp_send_ack+0x246/0x300
[   52.450848][ T7242]  tcp_send_ack+0x34/0x40
[   52.455171][ T7242]  tcp_cleanup_rbuf+0x130/0x360
[   52.460006][ T7242] 
[   52.462313][ T7242] Reported by Kernel Concurrency Sanitizer on:
[   52.468458][ T7242] CPU: 0 PID: 7242 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   52.475897][ T7242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.486975][ T7242] ==================================================================
[   52.495038][ T7242] Kernel panic - not syncing: panic_on_warn set ...
[   52.501613][ T7242] CPU: 0 PID: 7242 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   52.509153][ T7242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.519193][ T7242] Call Trace:
[   52.522481][ T7242]  dump_stack+0xf5/0x159
[   52.526711][ T7242]  panic+0x210/0x640
[   52.530592][ T7242]  ? ip_queue_xmit+0x45/0x60
[   52.535172][ T7242]  ? vprintk_func+0x8d/0x140
[   52.539921][ T7242]  kcsan_report.cold+0xc/0x10
[   52.544581][ T7242]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   52.550106][ T7242]  __tsan_write4+0x32/0x40
[   52.554522][ T7242]  __nf_ct_refresh_acct+0xfb/0x1b0
[   52.559738][ T7242]  nf_conntrack_tcp_packet+0xd40/0x3390
[   52.565284][ T7242]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   52.570897][ T7242]  nf_conntrack_in+0x410/0xa80
[   52.575660][ T7242]  ipv4_conntrack_local+0xbe/0x130
[   52.580776][ T7242]  nf_hook_slow+0x83/0x160
[   52.585173][ T7242]  ? nf_ct_tcp_fixup+0xe0/0xe0
[   52.590106][ T7242]  __ip_local_out+0x1f7/0x2b0
[   52.594783][ T7242]  ? constant_test_bit+0x30/0x30
[   52.599718][ T7242]  ip_local_out+0x31/0x90
[   52.604048][ T7242]  __ip_queue_xmit+0x3a8/0xa40
[   52.608824][ T7242]  ip_queue_xmit+0x45/0x60
[   52.613225][ T7242]  __tcp_transmit_skb+0xe81/0x1d60
[   52.618671][ T7242]  __tcp_send_ack+0x246/0x300
[   52.623330][ T7242]  tcp_send_ack+0x34/0x40
[   52.627660][ T7242]  tcp_cleanup_rbuf+0x130/0x360
[   52.632509][ T7242]  tcp_recvmsg+0x633/0x1a30
[   52.637012][ T7242]  inet_recvmsg+0xbb/0x250
[   52.641421][ T7242]  ? __tsan_read8+0x2c/0x30
[   52.645902][ T7242]  ? inet_sendpage+0x100/0x100
[   52.650661][ T7242]  sock_recvmsg+0x92/0xb0
[   52.655072][ T7242]  sock_read_iter+0x15f/0x1e0
[   52.660014][ T7242]  new_sync_read+0x389/0x4f0
[   52.664590][ T7242]  __vfs_read+0xb1/0xc0
[   52.668731][ T7242]  vfs_read+0x143/0x2c0
[   52.673311][ T7242]  ksys_read+0xd5/0x1b0
[   52.677459][ T7242]  __x64_sys_read+0x4c/0x60
[   52.681949][ T7242]  do_syscall_64+0xcc/0x370
[   52.686433][ T7242]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.692302][ T7242] RIP: 0033:0x47c530
[   52.696181][ T7242] 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
[   52.716197][ T7242] RSP: 002b:000000c4203bb810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[   52.724589][ T7242] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   52.732541][ T7242] RDX: 0000000000001000 RSI: 000000c4203c4000 RDI: 0000000000000003
[   52.740490][ T7242] RBP: 000000c4203bb868 R08: 0000000000000000 R09: 0000000000000000
[   52.748506][ T7242] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000100
[   52.756467][ T7242] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[   52.765956][ T7242] Kernel Offset: disabled
[   52.770294][ T7242] Rebooting in 86400 seconds..