Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts.
2020/06/12 16:19:25 fuzzer started
2020/06/12 16:19:25 dialing manager at 10.128.0.105:35517
2020/06/12 16:19:26 syscalls: 3085
2020/06/12 16:19:26 code coverage: enabled
2020/06/12 16:19:26 comparison tracing: enabled
2020/06/12 16:19:26 extra coverage: enabled
2020/06/12 16:19:26 setuid sandbox: enabled
2020/06/12 16:19:26 namespace sandbox: enabled
2020/06/12 16:19:26 Android sandbox: /sys/fs/selinux/policy does not exist
2020/06/12 16:19:26 fault injection: enabled
2020/06/12 16:19:26 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/06/12 16:19:26 net packet injection: enabled
2020/06/12 16:19:26 net device setup: enabled
2020/06/12 16:19:26 concurrency sanitizer: enabled
2020/06/12 16:19:26 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/06/12 16:19:26 USB emulation: enabled
2020/06/12 16:19:26 adding functions to KCSAN blacklist: 'copy_process' 'alloc_pid' '__ext4_new_inode' 
syzkaller login: [   51.952591][ T8924] ==================================================================
[   51.960717][ T8924] BUG: KCSAN: data-race in ep_poll / ep_poll_callback
[   51.967466][ T8924] 
[   51.969792][ T8924] write to 0xffff888120222c50 of 8 bytes by interrupt on cpu 0:
[   51.977440][ T8924]  ep_poll_callback+0x5f2/0x6c0
[   51.982290][ T8924]  __wake_up_common+0x76/0x180
[   51.987040][ T8924]  __wake_up_common_lock+0x77/0xb0
[   51.992139][ T8924]  sock_def_readable+0x9d/0x130
[   51.996967][ T8924]  tcp_data_ready+0x76/0xc0
[   52.001462][ T8924]  tcp_rcv_established+0xcb8/0xee0
[   52.006548][ T8924]  tcp_v4_do_rcv+0x396/0x4f0
[   52.011122][ T8924]  tcp_v4_rcv+0x1c55/0x1e10
[   52.015627][ T8924]  ip_protocol_deliver_rcu+0x4b/0x410
[   52.020974][ T8924]  ip_local_deliver_finish+0xf3/0x120
[   52.026322][ T8924]  ip_local_deliver+0x135/0x220
[   52.031147][ T8924]  ip_sublist_rcv_finish+0xf0/0x140
[   52.036319][ T8924]  ip_sublist_rcv+0x3f8/0x530
[   52.040981][ T8924]  ip_list_rcv+0x2f3/0x321
[   52.045393][ T8924]  __netif_receive_skb_list_core+0x368/0x5c0
[   52.051363][ T8924]  netif_receive_skb_list_internal+0x5c7/0x810
[   52.057517][ T8924]  gro_normal_list.part.0+0x37/0xa0
[   52.062702][ T8924]  gro_normal_one+0x14c/0x160
[   52.067372][ T8924]  napi_gro_receive+0x27d/0x2f0
[   52.072216][ T8924]  receive_buf+0x24c/0x3420
[   52.076710][ T8924]  virtnet_poll+0x343/0x790
[   52.081204][ T8924]  net_rx_action+0x3ad/0xac0
[   52.085794][ T8924]  __do_softirq+0x118/0x34a
[   52.090300][ T8924]  run_ksoftirqd+0x41/0x60
[   52.094703][ T8924]  smpboot_thread_fn+0x374/0x4a0
[   52.099633][ T8924]  kthread+0x203/0x230
[   52.103690][ T8924]  ret_from_fork+0x1f/0x30
[   52.108100][ T8924] 
[   52.110422][ T8924] read to 0xffff888120222c50 of 8 bytes by task 8924 on cpu 1:
[   52.117956][ T8924]  ep_poll+0x5ad/0x910
[   52.122012][ T8924]  do_epoll_wait+0x15a/0x180
[   52.126596][ T8924]  __x64_sys_epoll_pwait+0xc6/0x170
[   52.131786][ T8924]  do_syscall_64+0xc7/0x3b0
[   52.136281][ T8924]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.142150][ T8924] 
[   52.144461][ T8924] Reported by Kernel Concurrency Sanitizer on:
[   52.150607][ T8924] CPU: 1 PID: 8924 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   52.158828][ T8924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.168868][ T8924] ==================================================================
[   52.176915][ T8924] Kernel panic - not syncing: panic_on_warn set ...
[   52.183497][ T8924] CPU: 1 PID: 8924 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   52.191716][ T8924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.201757][ T8924] Call Trace:
[   52.205050][ T8924]  dump_stack+0x11d/0x187
[   52.209377][ T8924]  panic+0x210/0x640
[   52.213271][ T8924]  ? vprintk_func+0x89/0x13a
[   52.217868][ T8924]  kcsan_report.cold+0xc/0x1a
[   52.222541][ T8924]  kcsan_setup_watchpoint+0x3fb/0x440
[   52.227915][ T8924]  ep_poll+0x5ad/0x910
[   52.231990][ T8924]  ? wake_up_q+0x90/0x90
[   52.236241][ T8924]  do_epoll_wait+0x15a/0x180
[   52.240832][ T8924]  __x64_sys_epoll_pwait+0xc6/0x170
[   52.246035][ T8924]  do_syscall_64+0xc7/0x3b0
[   52.250540][ T8924]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.256430][ T8924] RIP: 0033:0x469240
[   52.260326][ T8924] 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
[   52.279953][ T8924] RSP: 002b:000000c0003617f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   52.288386][ T8924] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000469240
[   52.296371][ T8924] RDX: 0000000000000080 RSI: 000000c000361840 RDI: 0000000000000003
[   52.304353][ T8924] RBP: 000000c000361e40 R08: 0000000000000000 R09: 00000000016f29b8
[   52.312322][ T8924] R10: 0000000000000002 R11: 0000000000000246 R12: ffffffffffffffff
[   52.320294][ T8924] R13: 0000000000002000 R14: 00000051ea008fc6 R15: 0000000000000004
[   52.329217][ T8924] Kernel Offset: disabled
[   52.333534][ T8924] Rebooting in 86400 seconds..