Warning: Permanently added '10.128.1.34' (ECDSA) to the list of known hosts.
2019/10/29 04:15:35 fuzzer started
2019/10/29 04:15:37 dialing manager at 10.128.0.105:40771
2019/10/29 04:15:37 syscalls: 2540
2019/10/29 04:15:37 code coverage: enabled
2019/10/29 04:15:37 comparison tracing: enabled
2019/10/29 04:15:37 extra coverage: extra coverage is not supported by the kernel
2019/10/29 04:15:37 setuid sandbox: enabled
2019/10/29 04:15:37 namespace sandbox: enabled
2019/10/29 04:15:37 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/29 04:15:37 fault injection: enabled
2019/10/29 04:15:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/29 04:15:37 net packet injection: enabled
2019/10/29 04:15:37 net device setup: enabled
2019/10/29 04:15:37 concurrency sanitizer: enabled
2019/10/29 04:15:41 adding functions to KCSAN blacklist: 'ktime_get_real_seconds' 'find_next_bit' 'generic_permission' 'do_nanosleep' '__hrtimer_run_queues' 'tomoyo_supervisor' 'pid_update_inode' 'alloc_pid' 'do_exit' '__nf_conntrack_find_get' 'tcp_add_backlog' 'page_counter_try_charge' 'ep_poll' 'tcp_poll' 'task_dump_owner' 
syzkaller login: [   57.282065][ T7358] ==================================================================
[   57.290407][ T7358] BUG: KCSAN: data-race in __nf_ct_refresh_acct / __nf_ct_refresh_acct
[   57.298733][ T7358] 
[   57.301071][ T7358] read to 0xffff888124cbff08 of 4 bytes by interrupt on cpu 0:
[   57.309104][ T7358]  __nf_ct_refresh_acct+0xd4/0x1b0
[   57.314292][ T7358]  nf_conntrack_tcp_packet+0xd40/0x3390
[   57.320079][ T7358]  nf_conntrack_in+0x410/0xa80
[   57.325047][ T7358]  ipv4_conntrack_in+0x27/0x40
[   57.329800][ T7358]  nf_hook_slow+0x83/0x160
[   57.337019][ T7358]  ip_rcv+0x12f/0x1a0
[   57.341296][ T7358]  __netif_receive_skb_one_core+0xa7/0xe0
[   57.347004][ T7358]  __netif_receive_skb+0x37/0xf0
[   57.352014][ T7358]  netif_receive_skb_internal+0x59/0x190
[   57.357823][ T7358]  napi_gro_receive+0x28f/0x330
[   57.363010][ T7358]  receive_buf+0x284/0x30b0
[   57.367655][ T7358]  virtnet_poll+0x436/0x7d0
[   57.372625][ T7358]  net_rx_action+0x3ae/0xa90
[   57.377250][ T7358]  __do_softirq+0x115/0x33f
[   57.381739][ T7358] 
[   57.384690][ T7358] write to 0xffff888124cbff08 of 4 bytes by task 7358 on cpu 1:
[   57.392621][ T7358]  __nf_ct_refresh_acct+0xfb/0x1b0
[   57.398139][ T7358]  nf_conntrack_tcp_packet+0xd40/0x3390
[   57.404113][ T7358]  nf_conntrack_in+0x410/0xa80
[   57.409760][ T7358]  ipv4_conntrack_local+0xbe/0x130
[   57.414878][ T7358]  nf_hook_slow+0x83/0x160
[   57.419694][ T7358]  __ip_local_out+0x1f7/0x2b0
[   57.424639][ T7358]  ip_local_out+0x31/0x90
[   57.429362][ T7358]  __ip_queue_xmit+0x3a8/0xa40
[   57.434322][ T7358]  ip_queue_xmit+0x45/0x60
[   57.438925][ T7358]  __tcp_transmit_skb+0xe81/0x1d60
[   57.444484][ T7358]  __tcp_send_ack+0x246/0x300
[   57.449359][ T7358]  tcp_send_ack+0x34/0x40
[   57.454765][ T7358]  tcp_cleanup_rbuf+0x130/0x360
[   57.459750][ T7358] 
[   57.462194][ T7358] Reported by Kernel Concurrency Sanitizer on:
[   57.468528][ T7358] CPU: 1 PID: 7358 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   57.476271][ T7358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.486326][ T7358] ==================================================================
[   57.494377][ T7358] Kernel panic - not syncing: panic_on_warn set ...
[   57.501136][ T7358] CPU: 1 PID: 7358 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   57.508781][ T7358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.519141][ T7358] Call Trace:
[   57.522737][ T7358]  dump_stack+0xf5/0x159
[   57.527151][ T7358]  panic+0x210/0x640
[   57.531301][ T7358]  ? ip_queue_xmit+0x45/0x60
[   57.535887][ T7358]  ? vprintk_func+0x8d/0x140
[   57.540735][ T7358]  kcsan_report.cold+0xc/0x10
[   57.545685][ T7358]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   57.552918][ T7358]  __tsan_write4+0x32/0x40
[   57.557539][ T7358]  __nf_ct_refresh_acct+0xfb/0x1b0
[   57.562927][ T7358]  nf_conntrack_tcp_packet+0xd40/0x3390
[   57.568655][ T7358]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   57.574289][ T7358]  nf_conntrack_in+0x410/0xa80
[   57.579609][ T7358]  ipv4_conntrack_local+0xbe/0x130
[   57.585258][ T7358]  nf_hook_slow+0x83/0x160
[   57.589755][ T7358]  ? nf_ct_tcp_fixup+0xe0/0xe0
[   57.594604][ T7358]  __ip_local_out+0x1f7/0x2b0
[   57.599497][ T7358]  ? constant_test_bit+0x30/0x30
[   57.604516][ T7358]  ip_local_out+0x31/0x90
[   57.608846][ T7358]  __ip_queue_xmit+0x3a8/0xa40
[   57.613794][ T7358]  ip_queue_xmit+0x45/0x60
[   57.618304][ T7358]  __tcp_transmit_skb+0xe81/0x1d60
[   57.623462][ T7358]  __tcp_send_ack+0x246/0x300
[   57.628407][ T7358]  tcp_send_ack+0x34/0x40
[   57.632823][ T7358]  tcp_cleanup_rbuf+0x130/0x360
[   57.637675][ T7358]  tcp_recvmsg+0x633/0x1a30
[   57.642184][ T7358]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   57.648032][ T7358]  inet_recvmsg+0xbb/0x250
[   57.654832][ T7358]  ? __tsan_read8+0x2c/0x30
[   57.659656][ T7358]  ? inet_sendpage+0x100/0x100
[   57.664536][ T7358]  sock_recvmsg+0x92/0xb0
[   57.668949][ T7358]  sock_read_iter+0x15f/0x1e0
[   57.674106][ T7358]  new_sync_read+0x389/0x4f0
[   57.678843][ T7358]  __vfs_read+0xb1/0xc0
[   57.683267][ T7358]  vfs_read+0x143/0x2c0
[   57.687613][ T7358]  ksys_read+0xd5/0x1b0
[   57.691864][ T7358]  __x64_sys_read+0x4c/0x60
[   57.696883][ T7358]  do_syscall_64+0xcc/0x370
[   57.701502][ T7358]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   57.707839][ T7358] RIP: 0033:0x47c530
[   57.711820][ T7358] 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
[   57.732116][ T7358] RSP: 002b:000000c4203bf7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   57.740962][ T7358] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   57.749145][ T7358] RDX: 0000000000001000 RSI: 000000c4203c8000 RDI: 0000000000000003
[   57.758096][ T7358] RBP: 000000c4203bf830 R08: 0000000000000000 R09: 0000000000000000
[   57.766427][ T7358] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000004
[   57.774985][ T7358] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   57.785395][ T7358] Kernel Offset: disabled
[   57.790028][ T7358] Rebooting in 86400 seconds..