Warning: Permanently added '10.128.0.120' (ECDSA) to the list of known hosts.
2019/12/04 13:54:11 fuzzer started
2019/12/04 13:54:13 dialing manager at 10.128.0.105:44241
2019/12/04 13:54:13 syscalls: 2684
2019/12/04 13:54:13 code coverage: enabled
2019/12/04 13:54:13 comparison tracing: enabled
2019/12/04 13:54:13 extra coverage: extra coverage is not supported by the kernel
2019/12/04 13:54:13 setuid sandbox: enabled
2019/12/04 13:54:13 namespace sandbox: enabled
2019/12/04 13:54:13 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/04 13:54:13 fault injection: enabled
2019/12/04 13:54:13 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/04 13:54:13 net packet injection: enabled
2019/12/04 13:54:13 net device setup: enabled
2019/12/04 13:54:13 concurrency sanitizer: enabled
2019/12/04 13:54:13 devlink PCI setup: PCI device 0000:00:10.0 is not available
2019/12/04 13:54:14 adding functions to KCSAN blacklist: 'ep_poll' 'tomoyo_supervisor' '__hrtimer_run_queues' 'find_next_bit' 
[   55.555600][ T7659] ==================================================================
[   55.564877][ T7659] BUG: KCSAN: data-race in tcp_add_backlog / tcp_recvmsg
[   55.571999][ T7659] 
[   55.574431][ T7659] write to 0xffff8881267e4138 of 8 bytes by interrupt on cpu 1:
[   55.583080][ T7659]  tcp_add_backlog+0x476/0xce0
[   55.587835][ T7659]  tcp_v4_rcv+0x1a70/0x1bd0
[   55.592604][ T7659]  ip_protocol_deliver_rcu+0x4d/0x420
[   55.598149][ T7659]  ip_local_deliver_finish+0x110/0x140
[   55.603836][ T7659]  ip_local_deliver+0x133/0x210
[   55.609303][ T7659]  ip_rcv_finish+0x121/0x160
[   55.613892][ T7659]  ip_rcv+0x18f/0x1a0
[   55.619269][ T7659]  __netif_receive_skb_one_core+0xa7/0xe0
[   55.626572][ T7659]  __netif_receive_skb+0x37/0xf0
[   55.633175][ T7659]  netif_receive_skb_internal+0x59/0x190
[   55.640304][ T7659]  napi_gro_receive+0x28f/0x330
[   55.645153][ T7659]  receive_buf+0x284/0x30b0
[   55.649895][ T7659]  virtnet_poll+0x436/0x7d0
[   55.654506][ T7659]  net_rx_action+0x3ae/0xa90
[   55.659862][ T7659]  __do_softirq+0x115/0x33f
[   55.664479][ T7659]  run_ksoftirqd+0x46/0x60
[   55.669091][ T7659]  smpboot_thread_fn+0x37d/0x4a0
[   55.674400][ T7659]  kthread+0x1d4/0x200
[   55.680108][ T7659]  ret_from_fork+0x1f/0x30
[   55.685690][ T7659] 
[   55.688025][ T7659] read to 0xffff8881267e4138 of 8 bytes by task 7659 on cpu 0:
[   55.696810][ T7659]  tcp_recvmsg+0x46e/0x1b40
[   55.701310][ T7659]  inet_recvmsg+0xbb/0x250
[   55.705808][ T7659]  sock_recvmsg+0x92/0xb0
[   55.710408][ T7659]  sock_read_iter+0x15f/0x1e0
[   55.715255][ T7659]  new_sync_read+0x389/0x4f0
[   55.720481][ T7659]  __vfs_read+0xb1/0xc0
[   55.725144][ T7659]  vfs_read+0x143/0x2c0
[   55.730571][ T7659]  ksys_read+0xd5/0x1b0
[   55.735159][ T7659]  __x64_sys_read+0x4c/0x60
[   55.741333][ T7659]  do_syscall_64+0xcc/0x370
[   55.745918][ T7659]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.753979][ T7659] 
[   55.756309][ T7659] Reported by Kernel Concurrency Sanitizer on:
[   55.762466][ T7659] CPU: 0 PID: 7659 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[   55.770595][ T7659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.781141][ T7659] ==================================================================
[   55.789193][ T7659] Kernel panic - not syncing: panic_on_warn set ...
[   55.796244][ T7659] CPU: 0 PID: 7659 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[   55.805090][ T7659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.818588][ T7659] Call Trace:
[   55.822044][ T7659]  dump_stack+0x11d/0x181
[   55.826498][ T7659]  panic+0x210/0x640
[   55.832078][ T7659]  ? vprintk_func+0x8d/0x140
[   55.839294][ T7659]  kcsan_report.cold+0xc/0xd
[   55.843875][ T7659]  kcsan_setup_watchpoint+0x3fe/0x460
[   55.849336][ T7659]  __tsan_read8+0xc6/0x100
[   55.853744][ T7659]  tcp_recvmsg+0x46e/0x1b40
[   55.858344][ T7659]  inet_recvmsg+0xbb/0x250
[   55.862783][ T7659]  ? apparmor_socket_recvmsg+0x3b/0x50
[   55.868242][ T7659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   55.874477][ T7659]  ? security_socket_recvmsg+0x92/0xb0
[   55.879922][ T7659]  ? inet_sendpage+0x100/0x100
[   55.884682][ T7659]  sock_recvmsg+0x92/0xb0
[   55.889007][ T7659]  sock_read_iter+0x15f/0x1e0
[   55.893755][ T7659]  new_sync_read+0x389/0x4f0
[   55.898342][ T7659]  __vfs_read+0xb1/0xc0
[   55.902498][ T7659]  vfs_read+0x143/0x2c0
[   55.906646][ T7659]  ksys_read+0xd5/0x1b0
[   55.910787][ T7659]  __x64_sys_read+0x4c/0x60
[   55.915410][ T7659]  do_syscall_64+0xcc/0x370
[   55.920007][ T7659]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.926012][ T7659] RIP: 0033:0x47c530
[   55.929918][ T7659] 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
[   55.949816][ T7659] RSP: 002b:000000c4202307d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   55.958731][ T7659] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   55.968036][ T7659] RDX: 0000000000001000 RSI: 000000c4203de000 RDI: 0000000000000003
[   55.976350][ T7659] RBP: 000000c420230830 R08: 0000000000000000 R09: 0000000000000000
[   55.984837][ T7659] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000100
[   55.992930][ T7659] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   56.002324][ T7659] Kernel Offset: disabled
[   56.006750][ T7659] Rebooting in 86400 seconds..