Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts.
2020/06/17 10:58:45 fuzzer started
2020/06/17 10:58:45 dialing manager at 10.128.0.105:40489
2020/06/17 10:58:45 syscalls: 3085
2020/06/17 10:58:45 code coverage: enabled
2020/06/17 10:58:45 comparison tracing: enabled
2020/06/17 10:58:45 extra coverage: enabled
2020/06/17 10:58:45 setuid sandbox: enabled
2020/06/17 10:58:45 namespace sandbox: enabled
2020/06/17 10:58:45 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/17 10:58:45 fault injection: enabled
2020/06/17 10:58:45 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/17 10:58:45 net packet injection: enabled
2020/06/17 10:58:45 net device setup: enabled
2020/06/17 10:58:45 concurrency sanitizer: enabled
2020/06/17 10:58:45 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/17 10:58:45 USB emulation: enabled
2020/06/17 10:58:45 suppressing KCSAN reports in functions: 'alloc_pid' 'copy_process' 
syzkaller login: [   48.851213][ T8904] ==================================================================
[   48.859345][ T8904] BUG: KCSAN: data-race in ep_poll / ep_poll_callback
[   48.866098][ T8904] 
[   48.868405][ T8904] write to 0xffff88812a0057d0 of 8 bytes by interrupt on cpu 0:
[   48.876009][ T8904]  ep_poll_callback+0x5f2/0x6c0
[   48.880833][ T8904]  __wake_up_common+0x76/0x180
[   48.885569][ T8904]  __wake_up_common_lock+0x77/0xb0
[   48.890654][ T8904]  sock_def_readable+0x9d/0x130
[   48.895506][ T8904]  tcp_data_ready+0x76/0xc0
[   48.899983][ T8904]  tcp_rcv_established+0xcb8/0xee0
[   48.905092][ T8904]  tcp_v4_do_rcv+0x396/0x4f0
[   48.909655][ T8904]  tcp_v4_rcv+0x1c55/0x1e10
[   48.914143][ T8904]  ip_protocol_deliver_rcu+0x4b/0x410
[   48.919487][ T8904]  ip_local_deliver_finish+0xf3/0x120
[   48.924832][ T8904]  ip_local_deliver+0x135/0x220
[   48.929655][ T8904]  ip_sublist_rcv_finish+0xf0/0x140
[   48.934839][ T8904]  ip_sublist_rcv+0x3f8/0x530
[   48.939491][ T8904]  ip_list_rcv+0x2f3/0x321
[   48.943884][ T8904]  __netif_receive_skb_list_core+0x368/0x5c0
[   48.949845][ T8904]  netif_receive_skb_list_internal+0x5c7/0x810
[   48.955972][ T8904]  gro_normal_list.part.0+0x37/0xa0
[   48.961145][ T8904]  gro_normal_one+0x14c/0x160
[   48.965795][ T8904]  napi_gro_receive+0x27d/0x2f0
[   48.970633][ T8904]  receive_buf+0x24c/0x3420
[   48.975108][ T8904]  virtnet_poll+0x343/0x790
[   48.979587][ T8904]  net_rx_action+0x3ad/0xac0
[   48.984153][ T8904]  __do_softirq+0x118/0x34a
[   48.988630][ T8904]  run_ksoftirqd+0x41/0x60
[   48.993024][ T8904]  smpboot_thread_fn+0x374/0x4a0
[   48.997935][ T8904]  kthread+0x203/0x230
[   49.001979][ T8904]  ret_from_fork+0x1f/0x30
[   49.006372][ T8904] 
[   49.008679][ T8904] read to 0xffff88812a0057d0 of 8 bytes by task 8904 on cpu 1:
[   49.016195][ T8904]  ep_poll+0x5ad/0x910
[   49.020252][ T8904]  do_epoll_wait+0x15a/0x180
[   49.024828][ T8904]  __x64_sys_epoll_pwait+0xc6/0x170
[   49.030002][ T8904]  do_syscall_64+0xc7/0x3b0
[   49.034479][ T8904]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   49.040425][ T8904] 
[   49.042725][ T8904] Reported by Kernel Concurrency Sanitizer on:
[   49.048855][ T8904] CPU: 1 PID: 8904 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   49.057060][ T8904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.067086][ T8904] ==================================================================
[   49.075131][ T8904] Kernel panic - not syncing: panic_on_warn set ...
[   49.081692][ T8904] CPU: 1 PID: 8904 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   49.089909][ T8904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.099947][ T8904] Call Trace:
[   49.103217][ T8904]  dump_stack+0x11d/0x187
[   49.107538][ T8904]  panic+0x210/0x640
[   49.111425][ T8904]  ? vprintk_func+0x89/0x13a
[   49.115995][ T8904]  kcsan_report.cold+0xc/0x1a
[   49.120668][ T8904]  kcsan_setup_watchpoint+0x3fb/0x440
[   49.126027][ T8904]  ep_poll+0x5ad/0x910
[   49.130076][ T8904]  ? wake_up_q+0x90/0x90
[   49.134313][ T8904]  do_epoll_wait+0x15a/0x180
[   49.138878][ T8904]  __x64_sys_epoll_pwait+0xc6/0x170
[   49.144054][ T8904]  do_syscall_64+0xc7/0x3b0
[   49.148548][ T8904]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   49.154426][ T8904] RIP: 0033:0x469240
[   49.158322][ T8904] 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
[   49.177909][ T8904] RSP: 002b:00007ffce9470650 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   49.186314][ T8904] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000469240
[   49.194279][ T8904] RDX: 0000000000000080 RSI: 00007ffce94706a0 RDI: 0000000000000003
[   49.202231][ T8904] RBP: 00007ffce9470ca0 R08: 0000000000000000 R09: 0000000000000000
[   49.210202][ T8904] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000003
[   49.218149][ T8904] R13: 00000000016c8ce0 R14: 0000000000000008 R15: 0000000000000004
[   49.227375][ T8904] Kernel Offset: disabled
[   49.231703][ T8904] Rebooting in 86400 seconds..