Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts.
2019/10/07 02:01:39 fuzzer started
2019/10/07 02:01:41 dialing manager at 10.128.0.105:35709
2019/10/07 02:01:41 syscalls: 2523
2019/10/07 02:01:41 code coverage: enabled
2019/10/07 02:01:41 comparison tracing: enabled
2019/10/07 02:01:41 extra coverage: extra coverage is not supported by the kernel
2019/10/07 02:01:41 setuid sandbox: enabled
2019/10/07 02:01:41 namespace sandbox: enabled
2019/10/07 02:01:41 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/07 02:01:41 fault injection: enabled
2019/10/07 02:01:41 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/07 02:01:41 net packet injection: enabled
2019/10/07 02:01:41 net device setup: enabled
2019/10/07 02:01:41 concurrency sanitizer: enabled
[   53.444359][ T7342] ==================================================================
[   53.452548][ T7342] BUG: KCSAN: data-race in tcp_add_backlog / tcp_rcv_space_adjust
[   53.460427][ T7342] 
[   53.462738][ T7342] read to 0xffff88812049530c of 4 bytes by interrupt on cpu 0:
[   53.470261][ T7342]  tcp_add_backlog+0x43/0xcc0
[   53.474914][ T7342]  tcp_v4_rcv+0x1aba/0x1bf0
[   53.479395][ T7342]  ip_protocol_deliver_rcu+0x51/0x470
[   53.484756][ T7342]  ip_local_deliver_finish+0x110/0x140
[   53.490190][ T7342]  ip_local_deliver+0x133/0x210
[   53.495019][ T7342]  ip_rcv_finish+0x121/0x160
[   53.499599][ T7342]  ip_rcv+0x18f/0x1a0
[   53.503561][ T7342]  __netif_receive_skb_one_core+0xa7/0xe0
[   53.509271][ T7342]  __netif_receive_skb+0x37/0xf0
[   53.514184][ T7342]  netif_receive_skb_internal+0x59/0x190
[   53.519796][ T7342]  napi_gro_receive+0x28f/0x330
[   53.524636][ T7342]  receive_buf+0x284/0x30b0
[   53.529118][ T7342]  virtnet_poll+0x436/0x7d0
[   53.533625][ T7342]  net_rx_action+0x3ae/0xa50
[   53.538202][ T7342] 
[   53.540512][ T7342] write to 0xffff88812049530c of 4 bytes by task 7342 on cpu 1:
[   53.548121][ T7342]  tcp_rcv_space_adjust+0x40f/0x4c0
[   53.553293][ T7342]  tcp_recvmsg+0xdaa/0x1a30
[   53.557781][ T7342]  inet_recvmsg+0xbb/0x250
[   53.562172][ T7342]  sock_recvmsg+0x92/0xb0
[   53.566479][ T7342]  sock_read_iter+0x15f/0x1e0
[   53.571149][ T7342]  new_sync_read+0x389/0x4f0
[   53.575718][ T7342]  __vfs_read+0xb1/0xc0
[   53.579863][ T7342]  vfs_read+0x143/0x2c0
[   53.583996][ T7342]  ksys_read+0xd5/0x1b0
[   53.588128][ T7342]  __x64_sys_read+0x4c/0x60
[   53.592625][ T7342]  do_syscall_64+0xcf/0x2f0
[   53.597116][ T7342]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.602978][ T7342] 
[   53.605298][ T7342] Reported by Kernel Concurrency Sanitizer on:
[   53.611435][ T7342] CPU: 1 PID: 7342 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   53.618518][ T7342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.628551][ T7342] ==================================================================
[   53.636588][ T7342] Kernel panic - not syncing: panic_on_warn set ...
[   53.643150][ T7342] CPU: 1 PID: 7342 Comm: syz-fuzzer Not tainted 5.3.0+ #0
[   53.650248][ T7342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   53.660292][ T7342] Call Trace:
[   53.663562][ T7342]  dump_stack+0xf5/0x159
[   53.667790][ T7342]  panic+0x209/0x639
[   53.671664][ T7342]  ? vprintk_func+0x8d/0x140
[   53.676235][ T7342]  kcsan_report.cold+0x57/0xeb
[   53.680994][ T7342]  __kcsan_setup_watchpoint+0x342/0x500
[   53.686534][ T7342]  __tsan_write4+0x32/0x40
[   53.691292][ T7342]  tcp_rcv_space_adjust+0x40f/0x4c0
[   53.696819][ T7342]  tcp_recvmsg+0xdaa/0x1a30
[   53.701309][ T7342]  inet_recvmsg+0xbb/0x250
[   53.705716][ T7342]  ? __tsan_read8+0x2c/0x30
[   53.710202][ T7342]  ? inet_sendpage+0x100/0x100
[   53.714942][ T7342]  sock_recvmsg+0x92/0xb0
[   53.719266][ T7342]  sock_read_iter+0x15f/0x1e0
[   53.723940][ T7342]  new_sync_read+0x389/0x4f0
[   53.728514][ T7342]  __vfs_read+0xb1/0xc0
[   53.732653][ T7342]  vfs_read+0x143/0x2c0
[   53.736791][ T7342]  ksys_read+0xd5/0x1b0
[   53.740944][ T7342]  __x64_sys_read+0x4c/0x60
[   53.745429][ T7342]  do_syscall_64+0xcf/0x2f0
[   53.749937][ T7342]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   53.755860][ T7342] RIP: 0033:0x47c530
[   53.759786][ T7342] 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
[   53.779370][ T7342] RSP: 002b:000000c4204fb810 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[   53.787772][ T7342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   53.795724][ T7342] RDX: 0000000000001000 RSI: 000000c42032e000 RDI: 0000000000000003
[   53.803693][ T7342] RBP: 000000c4204fb868 R08: 0000000000000000 R09: 0000000000000000
[   53.811646][ T7342] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000020
[   53.819599][ T7342] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   53.828797][ T7342] Kernel Offset: disabled
[   53.833120][ T7342] Rebooting in 86400 seconds..