Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts.
2019/12/01 20:27:39 fuzzer started
2019/12/01 20:27:40 dialing manager at 10.128.0.105:42079
2019/12/01 20:27:40 syscalls: 2671
2019/12/01 20:27:40 code coverage: enabled
2019/12/01 20:27:40 comparison tracing: enabled
2019/12/01 20:27:40 extra coverage: extra coverage is not supported by the kernel
2019/12/01 20:27:40 setuid sandbox: enabled
2019/12/01 20:27:40 namespace sandbox: enabled
2019/12/01 20:27:40 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/01 20:27:40 fault injection: enabled
2019/12/01 20:27:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/01 20:27:40 net packet injection: enabled
2019/12/01 20:27:40 net device setup: enabled
2019/12/01 20:27:40 concurrency sanitizer: enabled
2019/12/01 20:27:40 devlink PCI setup: PCI device 0000:00:10.0 is not available
2019/12/01 20:27:41 adding functions to KCSAN blacklist: 'tomoyo_supervisor' '__hrtimer_run_queues' 'mod_timer' 'vm_area_dup' 'run_timer_softirq' 'add_timer' 
[   58.776322][ T7645] ==================================================================
[   58.786015][ T7645] BUG: KCSAN: data-race in tcp_add_backlog / tcp_recvmsg
[   58.793320][ T7645] 
[   58.795644][ T7645] write to 0xffff888121e8aa38 of 8 bytes by interrupt on cpu 0:
[   58.803268][ T7645]  tcp_add_backlog+0x476/0xce0
[   58.808018][ T7645]  tcp_v4_rcv+0x1a70/0x1bd0
[   58.812504][ T7645]  ip_protocol_deliver_rcu+0x4d/0x420
[   58.817870][ T7645]  ip_local_deliver_finish+0x110/0x140
[   58.823331][ T7645]  ip_local_deliver+0x133/0x210
[   58.828169][ T7645]  ip_rcv_finish+0x121/0x160
[   58.832789][ T7645]  ip_rcv+0x18f/0x1a0
[   58.836751][ T7645]  __netif_receive_skb_one_core+0xa7/0xe0
[   58.842458][ T7645]  __netif_receive_skb+0x37/0xf0
[   58.847389][ T7645]  netif_receive_skb_internal+0x59/0x190
[   58.853001][ T7645]  napi_gro_receive+0x28f/0x330
[   58.859659][ T7645]  receive_buf+0x284/0x30b0
[   58.864144][ T7645]  virtnet_poll+0x436/0x7d0
[   58.868625][ T7645]  net_rx_action+0x3ae/0xa90
[   58.873194][ T7645]  __do_softirq+0x115/0x33f
[   58.877695][ T7645]  run_ksoftirqd+0x46/0x60
[   58.882102][ T7645]  smpboot_thread_fn+0x37d/0x4a0
[   58.887020][ T7645]  kthread+0x1d4/0x200
[   58.891068][ T7645]  ret_from_fork+0x1f/0x30
[   58.895474][ T7645] 
[   58.897786][ T7645] read to 0xffff888121e8aa38 of 8 bytes by task 7645 on cpu 1:
[   58.905309][ T7645]  tcp_recvmsg+0x46e/0x1b40
[   58.909797][ T7645]  inet_recvmsg+0xbb/0x250
[   58.914190][ T7645]  sock_recvmsg+0x92/0xb0
[   58.918501][ T7645]  sock_read_iter+0x15f/0x1e0
[   58.923163][ T7645]  new_sync_read+0x389/0x4f0
[   58.927735][ T7645]  __vfs_read+0xb1/0xc0
[   58.931868][ T7645]  vfs_read+0x143/0x2c0
[   58.936015][ T7645]  ksys_read+0xd5/0x1b0
[   58.940258][ T7645]  __x64_sys_read+0x4c/0x60
[   58.944762][ T7645]  do_syscall_64+0xcc/0x370
[   58.949382][ T7645]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   58.955371][ T7645] 
[   58.957680][ T7645] Reported by Kernel Concurrency Sanitizer on:
[   58.963836][ T7645] CPU: 1 PID: 7645 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[   58.977368][ T7645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   58.989588][ T7645] ==================================================================
[   58.998885][ T7645] Kernel panic - not syncing: panic_on_warn set ...
[   59.005990][ T7645] CPU: 1 PID: 7645 Comm: syz-fuzzer Not tainted 5.4.0-syzkaller #0
[   59.015247][ T7645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   59.027040][ T7645] Call Trace:
[   59.030591][ T7645]  dump_stack+0x11d/0x181
[   59.035468][ T7645]  panic+0x210/0x640
[   59.039727][ T7645]  ? vprintk_func+0x8d/0x140
[   59.044953][ T7645]  kcsan_report.cold+0xc/0xd
[   59.050478][ T7645]  kcsan_setup_watchpoint+0x3fe/0x460
[   59.057503][ T7645]  __tsan_read8+0xc6/0x100
[   59.062051][ T7645]  tcp_recvmsg+0x46e/0x1b40
[   59.066726][ T7645]  inet_recvmsg+0xbb/0x250
[   59.071907][ T7645]  ? apparmor_socket_recvmsg+0x3b/0x50
[   59.077991][ T7645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   59.084508][ T7645]  ? security_socket_recvmsg+0x92/0xb0
[   59.089966][ T7645]  ? inet_sendpage+0x100/0x100
[   59.094712][ T7645]  sock_recvmsg+0x92/0xb0
[   59.099025][ T7645]  sock_read_iter+0x15f/0x1e0
[   59.103690][ T7645]  new_sync_read+0x389/0x4f0
[   59.108266][ T7645]  __vfs_read+0xb1/0xc0
[   59.112417][ T7645]  vfs_read+0x143/0x2c0
[   59.116552][ T7645]  ksys_read+0xd5/0x1b0
[   59.120689][ T7645]  __x64_sys_read+0x4c/0x60
[   59.125173][ T7645]  do_syscall_64+0xcc/0x370
[   59.129661][ T7645]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   59.135531][ T7645] RIP: 0033:0x47c530
[   59.139414][ T7645] 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
[   59.159012][ T7645] RSP: 002b:000000c42060e7d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000000
[   59.167404][ T7645] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000047c530
[   59.175374][ T7645] RDX: 0000000000001000 RSI: 000000c42030c000 RDI: 0000000000000003
[   59.183326][ T7645] RBP: 000000c42060e830 R08: 0000000000000000 R09: 0000000000000000
[   59.191280][ T7645] R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000200
[   59.199231][ T7645] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   59.208908][ T7645] Kernel Offset: disabled
[   59.213255][ T7645] Rebooting in 86400 seconds..