Warning: Permanently added '10.128.0.189' (ECDSA) to the list of known hosts.
2020/08/02 07:21:54 fuzzer started
2020/08/02 07:21:54 dialing manager at 10.128.0.105:36325
2020/08/02 07:21:54 syscalls: 3254
2020/08/02 07:21:54 code coverage: enabled
2020/08/02 07:21:54 comparison tracing: enabled
2020/08/02 07:21:54 extra coverage: enabled
2020/08/02 07:21:54 setuid sandbox: enabled
2020/08/02 07:21:54 namespace sandbox: enabled
2020/08/02 07:21:54 Android sandbox: /sys/fs/selinux/policy does not exist
2020/08/02 07:21:54 fault injection: enabled
2020/08/02 07:21:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/08/02 07:21:54 net packet injection: enabled
2020/08/02 07:21:54 net device setup: enabled
2020/08/02 07:21:54 concurrency sanitizer: enabled
2020/08/02 07:21:54 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/08/02 07:21:54 USB emulation: enabled
2020/08/02 07:21:54 hci packet injection: enabled
2020/08/02 07:21:54 suppressing KCSAN reports in functions: '__xa_clear_mark' 'alloc_pid' 'ext4_free_inode' 'do_syslog' 'generic_write_end' 'd_set_mounted' 'blk_mq_rq_ctx_init' 'expire_timers' 'blk_mq_dispatch_rq_list' '__send_signal' 
[   31.951154][ T8643] ==================================================================
[   31.959272][ T8643] BUG: KCSAN: data-race in do_epoll_wait / ep_poll_callback
[   31.966871][ T8643] 
[   31.969459][ T8643] write to 0xffff88812197a890 of 8 bytes by interrupt on cpu 0:
[   31.977270][ T8643]  ep_poll_callback+0x29c/0x510
[   31.982106][ T8643]  __wake_up_common+0xbc/0x130
[   31.987458][ T8643]  __wake_up_sync_key+0x83/0xc0
[   31.992293][ T8643]  sock_def_readable+0x61/0xe0
[   31.997228][ T8643]  tcp_rcv_established+0x13c0/0x1520
[   32.002499][ T8643]  tcp_v4_do_rcv+0x25e/0x480
[   32.007368][ T8643]  tcp_v4_rcv+0x219b/0x2420
[   32.011978][ T8643]  ip_protocol_deliver_rcu+0x1f9/0x400
[   32.017628][ T8643]  ip_local_deliver+0x1d6/0x2a0
[   32.022619][ T8643]  ip_sublist_rcv+0x4d4/0x5a0
[   32.027421][ T8643]  ip_list_rcv+0x262/0x290
[   32.031987][ T8643]  __netif_receive_skb_list_core+0x34b/0x450
[   32.037966][ T8643]  __netif_receive_skb_list+0x298/0x310
[   32.043611][ T8643]  netif_receive_skb_list_internal+0xda/0x330
[   32.049742][ T8643]  napi_gro_receive+0x329/0x5a0
[   32.054618][ T8643]  receive_buf+0x7a4/0xcf0
[   32.059090][ T8643]  virtnet_poll+0x2fa/0x780
[   32.063777][ T8643]  napi_poll+0x178/0x4a0
[   32.068014][ T8643]  net_rx_action+0x1ba/0x530
[   32.072602][ T8643]  __do_softirq+0x198/0x360
[   32.077107][ T8643]  run_ksoftirqd+0x2f/0x60
[   32.081561][ T8643]  smpboot_thread_fn+0x347/0x530
[   32.086583][ T8643]  kthread+0x20d/0x230
[   32.090646][ T8643]  ret_from_fork+0x1f/0x30
[   32.095102][ T8643] 
[   32.097514][ T8643] read to 0xffff88812197a890 of 8 bytes by task 8643 on cpu 1:
[   32.105305][ T8643]  do_epoll_wait+0x2e2/0x870
[   32.109898][ T8643]  __x64_sys_epoll_pwait+0x92/0x150
[   32.115093][ T8643]  do_syscall_64+0x51/0xb0
[   32.119515][ T8643]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   32.125399][ T8643] 
[   32.127718][ T8643] Reported by Kernel Concurrency Sanitizer on:
[   32.133957][ T8643] CPU: 1 PID: 8643 Comm: syz-fuzzer Not tainted 5.8.0-rc7-syzkaller #0
[   32.143266][ T8643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.153410][ T8643] ==================================================================
[   32.161547][ T8643] Kernel panic - not syncing: panic_on_warn set ...
[   32.168285][ T8643] CPU: 1 PID: 8643 Comm: syz-fuzzer Not tainted 5.8.0-rc7-syzkaller #0
[   32.176578][ T8643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.186852][ T8643] Call Trace:
[   32.190231][ T8643]  dump_stack+0x10f/0x19d
[   32.194558][ T8643]  panic+0x207/0x64a
[   32.198611][ T8643]  ? vprintk_emit+0x44a/0x4f0
[   32.203287][ T8643]  kcsan_report+0x684/0x690
[   32.207864][ T8643]  ? kcsan_setup_watchpoint+0x453/0x4d0
[   32.213488][ T8643]  ? do_epoll_wait+0x2e2/0x870
[   32.218607][ T8643]  ? __x64_sys_epoll_pwait+0x92/0x150
[   32.223976][ T8643]  ? do_syscall_64+0x51/0xb0
[   32.228631][ T8643]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   32.235012][ T8643]  ? ep_send_events_proc+0x4fd/0x620
[   32.240302][ T8643]  kcsan_setup_watchpoint+0x453/0x4d0
[   32.245869][ T8643]  do_epoll_wait+0x2e2/0x870
[   32.250547][ T8643]  ? debug_smp_processor_id+0x18/0x20
[   32.255922][ T8643]  __x64_sys_epoll_pwait+0x92/0x150
[   32.261118][ T8643]  do_syscall_64+0x51/0xb0
[   32.265538][ T8643]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   32.271488][ T8643] RIP: 0033:0x469240
[   32.275527][ T8643] Code: 0f 05 89 44 24 20 c3 cc cc cc 8b 7c 24 08 48 8b 74 24 10 8b 54 24 18 44 8b 54 24 1c 49 c7 c0 00 00 00 00 b8 19 01 00 00 0f 05 <89> 44 24 20 c3 cc cc cc cc cc cc cc cc cc cc cc 8b 7c 24 08 48 c7
[   32.295418][ T8643] RSP: 002b:000000c00004b7f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   32.303841][ T8643] RAX: ffffffffffffffda RBX: 000000000000004d RCX: 0000000000469240
[   32.311884][ T8643] RDX: 0000000000000080 RSI: 000000c00004b840 RDI: 0000000000000003
[   32.320039][ T8643] RBP: 000000c00004be40 R08: 0000000000000000 R09: 0000000000000000
[   32.328280][ T8643] R10: 000000000000004d R11: 0000000000000246 R12: 0000000000000003
[   32.336260][ T8643] R13: 000000c000001500 R14: 0000000000000020 R15: 0000000000000020
[   32.345654][ T8643] Kernel Offset: disabled
[   32.350122][ T8643] Rebooting in 86400 seconds..