Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts.
2019/10/23 02:01:21 fuzzer started
2019/10/23 02:01:23 dialing manager at 10.128.0.105:33369
2019/10/23 02:01:23 syscalls: 2524
2019/10/23 02:01:23 code coverage: enabled
2019/10/23 02:01:23 comparison tracing: enabled
2019/10/23 02:01:23 extra coverage: extra coverage is not supported by the kernel
2019/10/23 02:01:23 setuid sandbox: enabled
2019/10/23 02:01:23 namespace sandbox: enabled
2019/10/23 02:01:23 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/23 02:01:23 fault injection: enabled
2019/10/23 02:01:23 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/23 02:01:23 net packet injection: enabled
2019/10/23 02:01:23 net device setup: enabled
2019/10/23 02:01:23 concurrency sanitizer: enabled
[   50.220077][ T7313] ==================================================================
[   50.228296][ T7313] BUG: KCSAN: data-race in tcp_add_backlog / tcp_grow_window.isra.0
[   50.236335][ T7313] 
[   50.238723][ T7313] write to 0xffff88812399e12c of 4 bytes by interrupt on cpu 1:
[   50.246448][ T7313]  tcp_add_backlog+0xb91/0xcc0
[   50.251200][ T7313]  tcp_v4_rcv+0x1a60/0x1bb0
[   50.255682][ T7313]  ip_protocol_deliver_rcu+0x4d/0x420
[   50.261213][ T7313]  ip_local_deliver_finish+0x110/0x140
[   50.270734][ T7313]  ip_local_deliver+0x133/0x210
[   50.275559][ T7313]  ip_rcv_finish+0x121/0x160
[   50.280123][ T7313]  ip_rcv+0x18f/0x1a0
[   50.284088][ T7313]  __netif_receive_skb_one_core+0xa7/0xe0
[   50.289803][ T7313]  __netif_receive_skb+0x37/0xf0
[   50.294735][ T7313]  netif_receive_skb_internal+0x59/0x190
[   50.300401][ T7313]  napi_gro_receive+0x28f/0x330
[   50.305239][ T7313]  receive_buf+0x284/0x30b0
[   50.309735][ T7313]  virtnet_poll+0x436/0x7d0
[   50.314481][ T7313]  net_rx_action+0x3ae/0xa90
[   50.319038][ T7313] 
[   50.321349][ T7313] read to 0xffff88812399e12c of 4 bytes by task 7313 on cpu 0:
[   50.329132][ T7313]  tcp_grow_window.isra.0+0x6b/0x480
[   50.334396][ T7313]  tcp_event_data_recv+0x68f/0x990
[   50.339492][ T7313]  tcp_rcv_established+0xbfe/0xf50
[   50.344585][ T7313]  tcp_v4_do_rcv+0x381/0x4e0
[   50.349151][ T7313]  __release_sock+0x135/0x1e0
[   50.353805][ T7313]  release_sock+0x61/0x160
[   50.358212][ T7313]  tcp_recvmsg+0x63b/0x1a30
[   50.363139][ T7313]  inet_recvmsg+0xbb/0x250
[   50.367637][ T7313]  sock_recvmsg+0x92/0xb0
[   50.371945][ T7313]  sock_read_iter+0x15f/0x1e0
[   50.376597][ T7313]  new_sync_read+0x389/0x4f0
[   50.381164][ T7313]  __vfs_read+0xb1/0xc0
[   50.385294][ T7313]  vfs_read+0x143/0x2c0
[   50.389448][ T7313] 
[   50.391961][ T7313] Reported by Kernel Concurrency Sanitizer on:
[   50.398221][ T7313] CPU: 0 PID: 7313 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   50.405652][ T7313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.415685][ T7313] ==================================================================
[   50.424416][ T7313] Kernel panic - not syncing: panic_on_warn set ...
[   50.430982][ T7313] CPU: 0 PID: 7313 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   50.438424][ T7313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.449154][ T7313] Call Trace:
[   50.452427][ T7313]  dump_stack+0xf5/0x159
[   50.456650][ T7313]  panic+0x210/0x640
[   50.460526][ T7313]  ? sock_recvmsg+0x92/0xb0
[   50.468934][ T7313]  ? vprintk_func+0x8d/0x140
[   50.473508][ T7313]  kcsan_report.cold+0xc/0x10
[   50.478179][ T7313]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   50.483706][ T7313]  __tsan_read4+0x2c/0x30
[   50.488033][ T7313]  tcp_grow_window.isra.0+0x6b/0x480
[   50.493297][ T7313]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   50.498919][ T7313]  tcp_event_data_recv+0x68f/0x990
[   50.504013][ T7313]  tcp_rcv_established+0xbfe/0xf50
[   50.509113][ T7313]  ? ipv4_dst_check+0xc6/0xf0
[   50.513772][ T7313]  tcp_v4_do_rcv+0x381/0x4e0
[   50.518365][ T7313]  __release_sock+0x135/0x1e0
[   50.523037][ T7313]  release_sock+0x61/0x160
[   50.527435][ T7313]  tcp_recvmsg+0x63b/0x1a30
[   50.531927][ T7313]  inet_recvmsg+0xbb/0x250
[   50.536320][ T7313]  ? __tsan_read8+0x2c/0x30
[   50.540804][ T7313]  ? inet_sendpage+0x100/0x100
[   50.545545][ T7313]  sock_recvmsg+0x92/0xb0
[   50.549854][ T7313]  sock_read_iter+0x15f/0x1e0
[   50.554527][ T7313]  new_sync_read+0x389/0x4f0
[   50.559110][ T7313]  __vfs_read+0xb1/0xc0
[   50.563246][ T7313]  vfs_read+0x143/0x2c0
[   50.567727][ T7313]  ksys_read+0xd5/0x1b0
[   50.571866][ T7313]  __x64_sys_read+0x4c/0x60
[   50.576621][ T7313]  do_syscall_64+0xcc/0x370
[   50.581106][ T7313]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   50.587019][ T7313] RIP: 0033:0x47c530
[   50.590908][ T7313] 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
[   50.612077][ T7313] RSP: 002b:000000c4202f3850 EFLAGS: 00000206 ORIG_RAX: 0000000000000000
[   50.620483][ T7313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   50.628436][ T7313] RDX: 0000000000001000 RSI: 000000c420182000 RDI: 0000000000000003
[   50.636385][ T7313] RBP: 000000c4202f38a8 R08: 0000000000000000 R09: 0000000000000000
[   50.645118][ T7313] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
[   50.653080][ T7313] R13: 000000c42007e080 R14: 0000000000000002 R15: ffffffffffffffff
[   50.662427][ T7313] Kernel Offset: disabled
[   50.666752][ T7313] Rebooting in 86400 seconds..