Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts.
2020/07/29 18:57:06 fuzzer started
2020/07/29 18:57:06 dialing manager at 10.128.0.105:36079
2020/07/29 18:57:07 syscalls: 3255
2020/07/29 18:57:07 code coverage: enabled
2020/07/29 18:57:07 comparison tracing: enabled
2020/07/29 18:57:07 extra coverage: enabled
2020/07/29 18:57:07 setuid sandbox: enabled
2020/07/29 18:57:07 namespace sandbox: enabled
2020/07/29 18:57:07 Android sandbox: /sys/fs/selinux/policy does not exist
2020/07/29 18:57:07 fault injection: enabled
2020/07/29 18:57:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/07/29 18:57:07 net packet injection: enabled
2020/07/29 18:57:07 net device setup: enabled
2020/07/29 18:57:07 concurrency sanitizer: enabled
2020/07/29 18:57:07 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/07/29 18:57:07 USB emulation: enabled
2020/07/29 18:57:07 suppressing KCSAN reports in functions: 'blk_mq_dispatch_rq_list' '__xa_clear_mark' 'ext4_free_inode' '__ext4_new_inode' 'ext4_writepages' 'pcpu_alloc' 
[   33.481039][ T8644] ==================================================================
[   33.489311][ T8644] BUG: KCSAN: data-race in do_epoll_wait / ep_poll_callback
[   33.496673][ T8644] 
[   33.498984][ T8644] write to 0xffff88812536a4d0 of 8 bytes by interrupt on cpu 1:
[   33.506804][ T8644]  ep_poll_callback+0x29c/0x510
[   33.511637][ T8644]  __wake_up_common+0xbc/0x130
[   33.516379][ T8644]  __wake_up_sync_key+0x83/0xc0
[   33.521274][ T8644]  sock_def_readable+0x61/0xe0
[   33.526113][ T8644]  tcp_rcv_established+0x13c0/0x1520
[   33.531380][ T8644]  tcp_v4_do_rcv+0x25e/0x480
[   33.535955][ T8644]  tcp_v4_rcv+0x219b/0x2420
[   33.540572][ T8644]  ip_protocol_deliver_rcu+0x1f9/0x400
[   33.545999][ T8644]  ip_local_deliver+0x1d6/0x2a0
[   33.550833][ T8644]  ip_sublist_rcv+0x4d4/0x5a0
[   33.555491][ T8644]  ip_list_rcv+0x262/0x290
[   33.560052][ T8644]  __netif_receive_skb_list_core+0x34b/0x450
[   33.566201][ T8644]  __netif_receive_skb_list+0x298/0x310
[   33.571719][ T8644]  netif_receive_skb_list_internal+0xda/0x330
[   33.577767][ T8644]  napi_gro_receive+0x329/0x5a0
[   33.582584][ T8644]  receive_buf+0x7a4/0xcf0
[   33.586980][ T8644]  virtnet_poll+0x2fa/0x780
[   33.591451][ T8644]  napi_poll+0x178/0x4a0
[   33.595747][ T8644]  net_rx_action+0x1ba/0x530
[   33.600306][ T8644]  __do_softirq+0x198/0x360
[   33.604780][ T8644]  run_ksoftirqd+0x2f/0x60
[   33.609162][ T8644]  smpboot_thread_fn+0x347/0x530
[   33.614094][ T8644]  kthread+0x20d/0x230
[   33.618167][ T8644]  ret_from_fork+0x1f/0x30
[   33.622555][ T8644] 
[   33.624855][ T8644] read to 0xffff88812536a4d0 of 8 bytes by task 8644 on cpu 0:
[   33.632390][ T8644]  do_epoll_wait+0x2e2/0x870
[   33.637055][ T8644]  __x64_sys_epoll_pwait+0x92/0x150
[   33.642256][ T8644]  do_syscall_64+0x51/0xb0
[   33.646645][ T8644]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   33.652498][ T8644] 
[   33.654791][ T8644] Reported by Kernel Concurrency Sanitizer on:
[   33.660935][ T8644] CPU: 0 PID: 8644 Comm: syz-fuzzer Not tainted 5.8.0-rc7-syzkaller #0
[   33.669167][ T8644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.679217][ T8644] ==================================================================
[   33.687332][ T8644] Kernel panic - not syncing: panic_on_warn set ...
[   33.693915][ T8644] CPU: 0 PID: 8644 Comm: syz-fuzzer Not tainted 5.8.0-rc7-syzkaller #0
[   33.704914][ T8644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.715202][ T8644] Call Trace:
[   33.718475][ T8644]  dump_stack+0x10f/0x19d
[   33.722880][ T8644]  panic+0x207/0x64a
[   33.726760][ T8644]  ? vprintk_emit+0x44a/0x4f0
[   33.731419][ T8644]  kcsan_report+0x684/0x690
[   33.736336][ T8644]  ? kcsan_setup_watchpoint+0x453/0x4d0
[   33.741854][ T8644]  ? do_epoll_wait+0x2e2/0x870
[   33.746864][ T8644]  ? __x64_sys_epoll_pwait+0x92/0x150
[   33.752399][ T8644]  ? do_syscall_64+0x51/0xb0
[   33.756973][ T8644]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   33.763020][ T8644]  ? ep_send_events_proc+0x4fd/0x620
[   33.768289][ T8644]  kcsan_setup_watchpoint+0x453/0x4d0
[   33.773646][ T8644]  do_epoll_wait+0x2e2/0x870
[   33.778277][ T8644]  ? debug_smp_processor_id+0x18/0x20
[   33.783633][ T8644]  __x64_sys_epoll_pwait+0x92/0x150
[   33.788890][ T8644]  do_syscall_64+0x51/0xb0
[   33.793367][ T8644]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   33.799497][ T8644] RIP: 0033:0x469240
[   33.803366][ T8644] 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
[   33.823274][ T8644] RSP: 002b:000000c00004b7f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   33.831675][ T8644] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000469240
[   33.839633][ T8644] RDX: 0000000000000080 RSI: 000000c00004b840 RDI: 0000000000000003
[   33.847607][ T8644] RBP: 000000c00004be40 R08: 0000000000000000 R09: 0000000000000000
[   33.855998][ T8644] R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000003
[   33.863947][ T8644] R13: 000000c000001200 R14: 0000000000000008 R15: 0000000000000002
[   33.874032][ T8644] Kernel Offset: disabled
[   33.878364][ T8644] Rebooting in 86400 seconds..