Warning: Permanently added '10.128.1.11' (ECDSA) to the list of known hosts.
2019/12/09 13:40:23 fuzzer started
2019/12/09 13:40:24 dialing manager at 10.128.0.105:38603
2019/12/09 13:40:24 syscalls: 2689
2019/12/09 13:40:24 code coverage: enabled
2019/12/09 13:40:24 comparison tracing: enabled
2019/12/09 13:40:24 extra coverage: extra coverage is not supported by the kernel
2019/12/09 13:40:24 setuid sandbox: enabled
2019/12/09 13:40:24 namespace sandbox: enabled
2019/12/09 13:40:24 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/09 13:40:24 fault injection: enabled
2019/12/09 13:40:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/09 13:40:24 net packet injection: enabled
2019/12/09 13:40:24 net device setup: enabled
2019/12/09 13:40:24 concurrency sanitizer: enabled
2019/12/09 13:40:24 devlink PCI setup: PCI device 0000:00:10.0 is not available
2019/12/09 13:40:25 adding functions to KCSAN blacklist: 'find_next_bit' 'tomoyo_supervisor' '__hrtimer_run_queues' 'dd_has_work' 'xas_clear_mark' 'add_timer' 'common_perm_cond' 
[   55.620368][ T7518] ==================================================================
[   55.628554][ T7518] BUG: KCSAN: data-race in tcp_add_backlog / tcp_recvmsg
[   55.635569][ T7518] 
[   55.638040][ T7518] write to 0xffff88812520f2f8 of 8 bytes by interrupt on cpu 0:
[   55.645660][ T7518]  tcp_add_backlog+0x476/0xce0
[   55.650416][ T7518]  tcp_v4_rcv+0x1a70/0x1bd0
[   55.654954][ T7518]  ip_protocol_deliver_rcu+0x4d/0x420
[   55.660379][ T7518]  ip_local_deliver_finish+0x110/0x140
[   55.665872][ T7518]  ip_local_deliver+0x133/0x210
[   55.670716][ T7518]  ip_rcv_finish+0x121/0x160
[   55.675298][ T7518]  ip_rcv+0x18f/0x1a0
[   55.679272][ T7518]  __netif_receive_skb_one_core+0xa7/0xe0
[   55.684972][ T7518]  __netif_receive_skb+0x37/0xf0
[   55.689899][ T7518]  netif_receive_skb_internal+0x59/0x190
[   55.695607][ T7518]  napi_gro_receive+0x28f/0x330
[   55.700440][ T7518]  receive_buf+0x284/0x30b0
[   55.704935][ T7518]  virtnet_poll+0x436/0x7d0
[   55.709429][ T7518]  net_rx_action+0x3ae/0xa90
[   55.714003][ T7518]  __do_softirq+0x115/0x33f
[   55.718500][ T7518]  run_ksoftirqd+0x46/0x60
[   55.722911][ T7518]  smpboot_thread_fn+0x37d/0x4a0
[   55.727850][ T7518]  kthread+0x1d4/0x200
[   55.731913][ T7518]  ret_from_fork+0x1f/0x30
[   55.736309][ T7518] 
[   55.738629][ T7518] read to 0xffff88812520f2f8 of 8 bytes by task 7518 on cpu 1:
[   55.746172][ T7518]  tcp_recvmsg+0x46e/0x1b40
[   55.750677][ T7518]  inet_recvmsg+0xbb/0x250
[   55.755074][ T7518]  sock_recvmsg+0x92/0xb0
[   55.759391][ T7518]  sock_read_iter+0x15f/0x1e0
[   55.764055][ T7518]  new_sync_read+0x389/0x4f0
[   55.768633][ T7518]  __vfs_read+0xb1/0xc0
[   55.772767][ T7518]  vfs_read+0x143/0x2c0
[   55.776989][ T7518]  ksys_read+0xd5/0x1b0
[   55.781137][ T7518]  __x64_sys_read+0x4c/0x60
[   55.785624][ T7518]  do_syscall_64+0xcc/0x370
[   55.790119][ T7518]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.796596][ T7518] 
[   55.798909][ T7518] Reported by Kernel Concurrency Sanitizer on:
[   55.805053][ T7518] CPU: 1 PID: 7518 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[   55.812921][ T7518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.822959][ T7518] ==================================================================
[   55.831006][ T7518] Kernel panic - not syncing: panic_on_warn set ...
[   55.837570][ T7518] CPU: 1 PID: 7518 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[   55.845442][ T7518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   55.855481][ T7518] Call Trace:
[   55.858754][ T7518]  dump_stack+0x11d/0x181
[   55.863077][ T7518]  panic+0x210/0x640
[   55.866967][ T7518]  ? vprintk_func+0x8d/0x140
[   55.871541][ T7518]  kcsan_report.cold+0xc/0xd
[   55.876112][ T7518]  kcsan_setup_watchpoint+0x3fe/0x460
[   55.881465][ T7518]  __tsan_read8+0xc6/0x100
[   55.885861][ T7518]  tcp_recvmsg+0x46e/0x1b40
[   55.890363][ T7518]  inet_recvmsg+0xbb/0x250
[   55.894758][ T7518]  ? apparmor_socket_recvmsg+0x3b/0x50
[   55.900194][ T7518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   55.906418][ T7518]  ? security_socket_recvmsg+0x92/0xb0
[   55.911866][ T7518]  ? inet_sendpage+0x100/0x100
[   55.916606][ T7518]  sock_recvmsg+0x92/0xb0
[   55.922147][ T7518]  sock_read_iter+0x15f/0x1e0
[   55.926804][ T7518]  new_sync_read+0x389/0x4f0
[   55.931377][ T7518]  __vfs_read+0xb1/0xc0
[   55.935513][ T7518]  vfs_read+0x143/0x2c0
[   55.939656][ T7518]  ksys_read+0xd5/0x1b0
[   55.943802][ T7518]  __x64_sys_read+0x4c/0x60
[   55.948286][ T7518]  do_syscall_64+0xcc/0x370
[   55.952770][ T7518]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   55.958648][ T7518] RIP: 0033:0x47c530
[   55.962527][ T7518] 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
[   55.982118][ T7518] RSP: 002b:000000c4204eb7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   55.990515][ T7518] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   55.998477][ T7518] RDX: 0000000000001000 RSI: 000000c420306000 RDI: 0000000000000003
[   56.006544][ T7518] RBP: 000000c4204eb830 R08: 0000000000000000 R09: 0000000000000000
[   56.014555][ T7518] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000004
[   56.022519][ T7518] R13: ffffffffffffffff R14: 0000000000000004 R15: ffffffffffffffff
[   56.031666][ T7518] Kernel Offset: disabled
[   56.035989][ T7518] Rebooting in 86400 seconds..