Warning: Permanently added '10.128.0.203' (ECDSA) to the list of known hosts.
2020/07/23 21:33:24 fuzzer started
2020/07/23 21:33:24 dialing manager at 10.128.0.105:39647
2020/07/23 21:33:24 syscalls: 3213
2020/07/23 21:33:24 code coverage: enabled
2020/07/23 21:33:24 comparison tracing: enabled
2020/07/23 21:33:24 extra coverage: enabled
2020/07/23 21:33:24 setuid sandbox: enabled
2020/07/23 21:33:24 namespace sandbox: enabled
2020/07/23 21:33:24 Android sandbox: /sys/fs/selinux/policy does not exist
2020/07/23 21:33:24 fault injection: enabled
2020/07/23 21:33:24 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/07/23 21:33:24 net packet injection: enabled
2020/07/23 21:33:24 net device setup: enabled
2020/07/23 21:33:24 concurrency sanitizer: enabled
2020/07/23 21:33:24 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/07/23 21:33:24 USB emulation: enabled
2020/07/23 21:33:25 suppressing KCSAN reports in functions: 'blk_mq_sched_dispatch_requests' '__xa_clear_mark' '__ext4_new_inode' 'blk_mq_rq_ctx_init' 'futex_wait_queue_me' 
[   34.144716][ T8628] ==================================================================
[   34.152829][ T8628] BUG: KCSAN: data-race in do_epoll_wait / ep_poll_callback
[   34.160089][ T8628] 
[   34.162414][ T8628] write to 0xffff8881263eda10 of 8 bytes by interrupt on cpu 1:
[   34.170074][ T8628]  ep_poll_callback+0x29c/0x510
[   34.174913][ T8628]  __wake_up_common+0xbc/0x130
[   34.179689][ T8628]  __wake_up_sync_key+0x83/0xc0
[   34.184534][ T8628]  sock_def_readable+0x61/0xe0
[   34.189299][ T8628]  tcp_rcv_established+0x13c0/0x1520
[   34.194569][ T8628]  tcp_v4_do_rcv+0x25e/0x480
[   34.199145][ T8628]  tcp_v4_rcv+0x219b/0x2420
[   34.203639][ T8628]  ip_protocol_deliver_rcu+0x1f9/0x400
[   34.209085][ T8628]  ip_local_deliver+0x1d6/0x2a0
[   34.213919][ T8628]  ip_sublist_rcv+0x4d4/0x5a0
[   34.218583][ T8628]  ip_list_rcv+0x262/0x290
[   34.222985][ T8628]  __netif_receive_skb_list_core+0x34b/0x450
[   34.228950][ T8628]  __netif_receive_skb_list+0x298/0x310
[   34.234530][ T8628]  netif_receive_skb_list_internal+0xda/0x330
[   34.240692][ T8628]  napi_gro_receive+0x329/0x5a0
[   34.245535][ T8628]  receive_buf+0x7a4/0xcf0
[   34.249934][ T8628]  virtnet_poll+0x2fa/0x780
[   34.254422][ T8628]  napi_poll+0x178/0x4a0
[   34.258657][ T8628]  net_rx_action+0x1ba/0x530
[   34.263233][ T8628]  __do_softirq+0x198/0x360
[   34.267732][ T8628]  run_ksoftirqd+0x2f/0x60
[   34.272131][ T8628]  smpboot_thread_fn+0x347/0x530
[   34.277052][ T8628]  kthread+0x20d/0x230
[   34.281118][ T8628]  ret_from_fork+0x1f/0x30
[   34.285513][ T8628] 
[   34.287831][ T8628] read to 0xffff8881263eda10 of 8 bytes by task 8628 on cpu 0:
[   34.295370][ T8628]  do_epoll_wait+0x2e2/0x870
[   34.299954][ T8628]  __x64_sys_epoll_pwait+0x92/0x150
[   34.305161][ T8628]  do_syscall_64+0x51/0xb0
[   34.309584][ T8628]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   34.315550][ T8628] 
[   34.318559][ T8628] Reported by Kernel Concurrency Sanitizer on:
[   34.324697][ T8628] CPU: 0 PID: 8628 Comm: syz-fuzzer Not tainted 5.8.0-rc6-syzkaller #0
[   34.333090][ T8628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.343947][ T8628] ==================================================================
[   34.351991][ T8628] Kernel panic - not syncing: panic_on_warn set ...
[   34.358572][ T8628] CPU: 0 PID: 8628 Comm: syz-fuzzer Not tainted 5.8.0-rc6-syzkaller #0
[   34.366790][ T8628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.376825][ T8628] Call Trace:
[   34.380102][ T8628]  dump_stack+0x10f/0x19d
[   34.384436][ T8628]  panic+0x207/0x64a
[   34.388320][ T8628]  ? vprintk_emit+0x44a/0x4f0
[   34.392998][ T8628]  kcsan_report+0x684/0x690
[   34.397493][ T8628]  ? kcsan_setup_watchpoint+0x453/0x4d0
[   34.403019][ T8628]  ? do_epoll_wait+0x2e2/0x870
[   34.407771][ T8628]  ? __x64_sys_epoll_pwait+0x92/0x150
[   34.413132][ T8628]  ? do_syscall_64+0x51/0xb0
[   34.417717][ T8628]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   34.423800][ T8628]  ? ep_send_events_proc+0x4fd/0x620
[   34.429083][ T8628]  kcsan_setup_watchpoint+0x453/0x4d0
[   34.434458][ T8628]  do_epoll_wait+0x2e2/0x870
[   34.439039][ T8628]  ? debug_smp_processor_id+0x18/0x20
[   34.444424][ T8628]  __x64_sys_epoll_pwait+0x92/0x150
[   34.449633][ T8628]  do_syscall_64+0x51/0xb0
[   34.454062][ T8628]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   34.460081][ T8628] RIP: 0033:0x469240
[   34.463957][ T8628] Code: Bad RIP value.
[   34.468014][ T8628] RSP: 002b:00007ffe97d840e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   34.476435][ T8628] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000469240
[   34.484919][ T8628] RDX: 0000000000000080 RSI: 00007ffe97d84130 RDI: 0000000000000003
[   34.492904][ T8628] RBP: 00007ffe97d84730 R08: 0000000000000000 R09: 0000000000000000
[   34.501362][ T8628] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000003
[   34.509346][ T8628] R13: 00000000017b19e0 R14: 0000000000000008 R15: 0000000000000002
[   34.518742][ T8628] Kernel Offset: disabled
[   34.523719][ T8628] Rebooting in 86400 seconds..