Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts.
2019/10/04 12:11:54 fuzzer started
2019/10/04 12:11:55 dialing manager at 10.128.0.105:38119
2019/10/04 12:11:55 syscalls: 2523
2019/10/04 12:11:55 code coverage: enabled
2019/10/04 12:11:55 comparison tracing: enabled
2019/10/04 12:11:55 extra coverage: extra coverage is not supported by the kernel
2019/10/04 12:11:55 setuid sandbox: enabled
2019/10/04 12:11:55 namespace sandbox: enabled
2019/10/04 12:11:55 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/04 12:11:55 fault injection: enabled
2019/10/04 12:11:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/04 12:11:55 net packet injection: enabled
2019/10/04 12:11:55 net device setup: enabled
2019/10/04 12:11:55 concurrency sanitizer: enabled
[   55.697057][ T7266] ==================================================================
[   55.705374][ T7266] BUG: KCSAN: data-race in __tcp_select_window+0x6b/0x4d0 and tcp_add_backlog+0x4a0/0xcc0
[   55.715241][ T7266] 
[   55.717561][ T7266] write to 0xffff888126bf332c of 4 bytes by interrupt on cpu 1:
[   55.725288][ T7266]  tcp_add_backlog+0x4a0/0xcc0
[   55.730030][ T7266]  tcp_v4_rcv+0x1aba/0x1bf0
[   55.734515][ T7266]  ip_protocol_deliver_rcu+0x51/0x470
[   55.739866][ T7266]  ip_local_deliver_finish+0x110/0x140
[   55.745330][ T7266]  ip_local_deliver+0x133/0x210
[   55.750161][ T7266]  ip_rcv_finish+0x121/0x160
[   55.754725][ T7266]  ip_rcv+0x18f/0x1a0
[   55.758774][ T7266]  __netif_receive_skb_one_core+0xa7/0xe0
[   55.764482][ T7266]  __netif_receive_skb+0x37/0xf0
[   55.769397][ T7266]  netif_receive_skb_internal+0x59/0x190
[   55.775005][ T7266]  napi_gro_receive+0x28f/0x330
[   55.779847][ T7266]  receive_buf+0x284/0x30b0
[   55.784326][ T7266]  virtnet_poll+0x436/0x7d0
[   55.788836][ T7266]  net_rx_action+0x3ae/0xa50
[   55.793521][ T7266] 
[   55.795977][ T7266] read to 0xffff888126bf332c of 4 bytes by task 7266 on cpu 0:
[   55.803507][ T7266]  __tcp_select_window+0x6b/0x4d0
[   55.808512][ T7266]  __tcp_transmit_skb+0x679/0x1cd0
[   55.813604][ T7266]  __tcp_send_ack+0x246/0x300
[   55.818264][ T7266]  tcp_send_ack+0x34/0x40
[   55.822587][ T7266]  tcp_cleanup_rbuf+0x130/0x360
[   55.827414][ T7266]  tcp_recvmsg+0x633/0x1a30
[   55.831897][ T7266]  inet_recvmsg+0xbb/0x250
[   55.836294][ T7266]  sock_recvmsg+0x92/0xb0
[   55.840598][ T7266]  sock_read_iter+0x15f/0x1e0
[   55.845251][ T7266]  new_sync_read+0x389/0x4f0
[   55.849816][ T7266]  __vfs_read+0xb1/0xc0
[   55.853949][ T7266]  vfs_read+0x143/0x2c0
[   55.858082][ T7266]  ksys_read+0xd5/0x1b0
[   55.862215][ T7266] 
[   55.864658][ T7266] Reported by Kernel Concurrency Sanitizer on:
[   55.870793][ T7266] CPU: 0 PID: 7266 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   55.877878][ T7266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.887956][ T7266] ==================================================================
[   55.895996][ T7266] Kernel panic - not syncing: panic_on_warn set ...
[   55.902561][ T7266] CPU: 0 PID: 7266 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   55.909641][ T7266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.919677][ T7266] Call Trace:
[   55.923002][ T7266]  dump_stack+0xf5/0x159
[   55.927234][ T7266]  panic+0x209/0x639
[   55.931112][ T7266]  ? vprintk_func+0x8d/0x140
[   55.935688][ T7266]  kcsan_report.cold+0x57/0xeb
[   55.940431][ T7266]  __kcsan_setup_watchpoint+0x342/0x500
[   55.945955][ T7266]  __tsan_read4+0x2c/0x30
[   55.950278][ T7266]  __tcp_select_window+0x6b/0x4d0
[   55.955285][ T7266]  __tcp_transmit_skb+0x679/0x1cd0
[   55.960401][ T7266]  __tcp_send_ack+0x246/0x300
[   55.965072][ T7266]  tcp_send_ack+0x34/0x40
[   55.969389][ T7266]  tcp_cleanup_rbuf+0x130/0x360
[   55.974219][ T7266]  tcp_recvmsg+0x633/0x1a30
[   55.978720][ T7266]  inet_recvmsg+0xbb/0x250
[   55.983114][ T7266]  ? __tsan_read8+0x2c/0x30
[   55.987598][ T7266]  ? inet_sendpage+0x100/0x100
[   55.992372][ T7266]  sock_recvmsg+0x92/0xb0
[   55.996682][ T7266]  sock_read_iter+0x15f/0x1e0
[   56.001353][ T7266]  new_sync_read+0x389/0x4f0
[   56.006014][ T7266]  __vfs_read+0xb1/0xc0
[   56.010156][ T7266]  vfs_read+0x143/0x2c0
[   56.014409][ T7266]  ksys_read+0xd5/0x1b0
[   56.018557][ T7266]  __x64_sys_read+0x4c/0x60
[   56.023046][ T7266]  do_syscall_64+0xcf/0x2f0
[   56.027560][ T7266]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   56.033428][ T7266] RIP: 0033:0x47c530
[   56.037365][ T7266] 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
[   56.056949][ T7266] RSP: 002b:000000c4202e18b8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   56.065645][ T7266] RAX: ffffffffffffffda RBX: 0000000001803b80 RCX: 000000000047c530
[   56.075853][ T7266] RDX: 0000000000001000 RSI: 000000c420194000 RDI: 0000000000000003
[   56.083821][ T7266] RBP: 000000c4202e1910 R08: 0000000000000000 R09: 0000000000000000
[   56.091794][ T7266] R10: 0000000000000000 R11: 0000000000000212 R12: 000000c4204c5ef8
[   56.099743][ T7266] R13: 000000000000000f R14: 0000000000c11600 R15: 00000000000009e1
[   56.109267][ T7266] Kernel Offset: disabled
[   56.113591][ T7266] Rebooting in 86400 seconds..