Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts.
2020/07/19 21:40:52 fuzzer started
2020/07/19 21:40:52 dialing manager at 10.128.0.105:36899
2020/07/19 21:40:53 syscalls: 3189
2020/07/19 21:40:53 code coverage: enabled
2020/07/19 21:40:53 comparison tracing: enabled
2020/07/19 21:40:53 extra coverage: enabled
2020/07/19 21:40:53 setuid sandbox: enabled
2020/07/19 21:40:53 namespace sandbox: enabled
2020/07/19 21:40:53 Android sandbox: /sys/fs/selinux/policy does not exist
2020/07/19 21:40:53 fault injection: enabled
2020/07/19 21:40:53 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/07/19 21:40:53 net packet injection: enabled
2020/07/19 21:40:53 net device setup: enabled
2020/07/19 21:40:53 concurrency sanitizer: enabled
2020/07/19 21:40:53 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/07/19 21:40:53 USB emulation: enabled
2020/07/19 21:40:53 suppressing KCSAN reports in functions: 'expire_timers' '__ext4_new_inode' 'generic_file_buffered_read' '__xa_clear_mark' 'ext4_free_inode' 'generic_write_end' 
[   31.920180][ T8652] ==================================================================
[   31.928270][ T8652] BUG: KCSAN: data-race in do_epoll_wait / ep_poll_callback
[   31.935516][ T8652] 
[   31.937818][ T8652] write to 0xffff88812046a290 of 8 bytes by interrupt on cpu 0:
[   31.945416][ T8652]  ep_poll_callback+0x29c/0x510
[   31.950237][ T8652]  __wake_up_common+0xbc/0x130
[   31.954970][ T8652]  __wake_up_sync_key+0x83/0xc0
[   31.959790][ T8652]  sock_def_readable+0x61/0xe0
[   31.964524][ T8652]  tcp_rcv_established+0x13c0/0x1520
[   31.969796][ T8652]  tcp_v4_do_rcv+0x25e/0x480
[   31.974358][ T8652]  tcp_v4_rcv+0x219b/0x2420
[   31.978841][ T8652]  ip_protocol_deliver_rcu+0x1f9/0x400
[   31.984746][ T8652]  ip_local_deliver+0x1d6/0x2a0
[   31.989590][ T8652]  ip_sublist_rcv+0x4d4/0x5a0
[   31.994244][ T8652]  ip_list_rcv+0x262/0x290
[   31.998633][ T8652]  __netif_receive_skb_list_core+0x34b/0x450
[   32.004585][ T8652]  __netif_receive_skb_list+0x298/0x310
[   32.010123][ T8652]  netif_receive_skb_list_internal+0xda/0x330
[   32.016162][ T8652]  napi_gro_receive+0x329/0x5a0
[   32.020979][ T8652]  receive_buf+0x7a4/0xcf0
[   32.025366][ T8652]  virtnet_poll+0x2fa/0x780
[   32.029839][ T8652]  napi_poll+0x178/0x4a0
[   32.034051][ T8652]  net_rx_action+0x1ba/0x530
[   32.038615][ T8652]  __do_softirq+0x198/0x360
[   32.043091][ T8652]  run_ksoftirqd+0x2f/0x60
[   32.047476][ T8652]  smpboot_thread_fn+0x347/0x530
[   32.052384][ T8652]  kthread+0x20d/0x230
[   32.056425][ T8652]  ret_from_fork+0x1f/0x30
[   32.060824][ T8652] 
[   32.063125][ T8652] read to 0xffff88812046a290 of 8 bytes by task 8652 on cpu 1:
[   32.070636][ T8652]  do_epoll_wait+0x2e2/0x870
[   32.075195][ T8652]  __x64_sys_epoll_pwait+0x92/0x150
[   32.080364][ T8652]  do_syscall_64+0x51/0xb0
[   32.084751][ T8652]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   32.090613][ T8652] 
[   32.092917][ T8652] Reported by Kernel Concurrency Sanitizer on:
[   32.099049][ T8652] CPU: 1 PID: 8652 Comm: syz-fuzzer Not tainted 5.8.0-rc5-syzkaller #0
[   32.107254][ T8652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.117281][ T8652] ==================================================================
[   32.125312][ T8652] Kernel panic - not syncing: panic_on_warn set ...
[   32.131870][ T8652] CPU: 1 PID: 8652 Comm: syz-fuzzer Not tainted 5.8.0-rc5-syzkaller #0
[   32.140074][ T8652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   32.150101][ T8652] Call Trace:
[   32.153363][ T8652]  dump_stack+0x10f/0x19d
[   32.157668][ T8652]  panic+0x207/0x64a
[   32.161547][ T8652]  ? vprintk_emit+0x44a/0x4f0
[   32.166194][ T8652]  kcsan_report+0x684/0x690
[   32.170685][ T8652]  ? kcsan_setup_watchpoint+0x453/0x4d0
[   32.176203][ T8652]  ? do_epoll_wait+0x2e2/0x870
[   32.180942][ T8652]  ? __x64_sys_epoll_pwait+0x92/0x150
[   32.186306][ T8652]  ? do_syscall_64+0x51/0xb0
[   32.190871][ T8652]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   32.196913][ T8652]  ? ep_send_events_proc+0x4fd/0x620
[   32.202182][ T8652]  kcsan_setup_watchpoint+0x453/0x4d0
[   32.207523][ T8652]  do_epoll_wait+0x2e2/0x870
[   32.212089][ T8652]  ? debug_smp_processor_id+0x18/0x20
[   32.217432][ T8652]  __x64_sys_epoll_pwait+0x92/0x150
[   32.222600][ T8652]  do_syscall_64+0x51/0xb0
[   32.226988][ T8652]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   32.232881][ T8652] RIP: 0033:0x469240
[   32.236836][ T8652] Code: Bad RIP value.
[   32.240871][ T8652] RSP: 002b:00007ffc43a29bc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   32.249250][ T8652] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000469240
[   32.257192][ T8652] RDX: 0000000000000080 RSI: 00007ffc43a29c10 RDI: 0000000000000003
[   32.265133][ T8652] RBP: 00007ffc43a2a210 R08: 0000000000000000 R09: 0000000000000000
[   32.273077][ T8652] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000003
[   32.281018][ T8652] R13: 00000000017a36e0 R14: 0000000000000002 R15: 0000000000000002
[   32.290066][ T8652] Kernel Offset: disabled
[   32.294373][ T8652] Rebooting in 86400 seconds..