Warning: Permanently added '10.128.1.58' (ECDSA) to the list of known hosts.
2020/05/26 00:40:38 fuzzer started
2020/05/26 00:40:38 dialing manager at 10.128.0.105:44363
2020/05/26 00:40:38 syscalls: 3055
2020/05/26 00:40:38 code coverage: enabled
2020/05/26 00:40:38 comparison tracing: enabled
2020/05/26 00:40:38 extra coverage: enabled
2020/05/26 00:40:38 setuid sandbox: enabled
2020/05/26 00:40:38 namespace sandbox: enabled
2020/05/26 00:40:38 Android sandbox: /sys/fs/selinux/policy does not exist
2020/05/26 00:40:38 fault injection: enabled
2020/05/26 00:40:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/05/26 00:40:38 net packet injection: enabled
2020/05/26 00:40:38 net device setup: enabled
2020/05/26 00:40:38 concurrency sanitizer: enabled
2020/05/26 00:40:38 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/05/26 00:40:38 USB emulation: enabled
2020/05/26 00:40:38 adding functions to KCSAN blacklist: '__mark_inode_dirty' 
[   52.131202][ T8910] ==================================================================
[   52.139439][ T8910] BUG: KCSAN: data-race in ep_poll / ep_poll_callback
[   52.146306][ T8910] 
[   52.148629][ T8910] write to 0xffff8881263b3f50 of 8 bytes by interrupt on cpu 0:
[   52.156346][ T8910]  ep_poll_callback+0x5f2/0x6c0
[   52.161196][ T8910]  __wake_up_common+0x76/0x180
[   52.165946][ T8910]  __wake_up_common_lock+0x77/0xb0
[   52.171042][ T8910]  sock_def_readable+0x9d/0x130
[   52.175890][ T8910]  tcp_data_ready+0x76/0xc0
[   52.180371][ T8910]  tcp_rcv_established+0xcb8/0xee0
[   52.185473][ T8910]  tcp_v4_do_rcv+0x396/0x4f0
[   52.190037][ T8910]  tcp_v4_rcv+0x1c55/0x1e10
[   52.194531][ T8910]  ip_protocol_deliver_rcu+0x4b/0x410
[   52.199884][ T8910]  ip_local_deliver_finish+0xf3/0x120
[   52.205234][ T8910]  ip_local_deliver+0x135/0x220
[   52.210083][ T8910]  ip_sublist_rcv_finish+0xf0/0x140
[   52.215272][ T8910]  ip_sublist_rcv+0x3f8/0x530
[   52.219929][ T8910]  ip_list_rcv+0x2f3/0x321
[   52.224325][ T8910]  __netif_receive_skb_list_core+0x368/0x5c0
[   52.230284][ T8910]  netif_receive_skb_list_internal+0x5c7/0x810
[   52.236411][ T8910]  gro_normal_list.part.0+0x37/0xa0
[   52.241591][ T8910]  gro_normal_one+0x14c/0x160
[   52.246243][ T8910]  napi_gro_receive+0x27d/0x2f0
[   52.251066][ T8910]  receive_buf+0x24c/0x3420
[   52.255542][ T8910]  virtnet_poll+0x343/0x790
[   52.260022][ T8910]  net_rx_action+0x3ad/0xac0
[   52.264622][ T8910]  __do_softirq+0x118/0x34a
[   52.269455][ T8910]  irq_exit+0xb5/0xd0
[   52.273411][ T8910]  do_IRQ+0x7b/0x120
[   52.277290][ T8910]  ret_from_intr+0x0/0x21
[   52.281600][ T8910]  native_safe_halt+0xe/0x10
[   52.286193][ T8910]  default_idle+0x21/0x170
[   52.290594][ T8910]  do_idle+0x1b7/0x290
[   52.294636][ T8910]  cpu_startup_entry+0x14/0x20
[   52.299477][ T8910]  rest_init+0xe4/0xeb
[   52.303521][ T8910]  arch_call_rest_init+0x13/0x2b
[   52.308430][ T8910]  start_kernel+0x7fe/0x823
[   52.312918][ T8910]  secondary_startup_64+0xa4/0xb0
[   52.317915][ T8910] 
[   52.320220][ T8910] read to 0xffff8881263b3f50 of 8 bytes by task 8910 on cpu 1:
[   52.327746][ T8910]  ep_poll+0x5ad/0x910
[   52.331790][ T8910]  do_epoll_wait+0x15a/0x180
[   52.336352][ T8910]  __x64_sys_epoll_pwait+0xc6/0x170
[   52.341556][ T8910]  do_syscall_64+0xc7/0x3b0
[   52.346039][ T8910]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.351901][ T8910] 
[   52.354204][ T8910] Reported by Kernel Concurrency Sanitizer on:
[   52.360337][ T8910] CPU: 1 PID: 8910 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   52.368576][ T8910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.378965][ T8910] ==================================================================
[   52.387009][ T8910] Kernel panic - not syncing: panic_on_warn set ...
[   52.393570][ T8910] CPU: 1 PID: 8910 Comm: syz-fuzzer Not tainted 5.7.0-rc1-syzkaller #0
[   52.401775][ T8910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   52.411892][ T8910] Call Trace:
[   52.415170][ T8910]  dump_stack+0x11d/0x187
[   52.419491][ T8910]  panic+0x210/0x640
[   52.423367][ T8910]  ? vprintk_func+0x89/0x13a
[   52.427947][ T8910]  kcsan_report.cold+0xc/0x1a
[   52.432619][ T8910]  kcsan_setup_watchpoint+0x3fb/0x440
[   52.437981][ T8910]  ep_poll+0x5ad/0x910
[   52.442057][ T8910]  ? wake_up_q+0x90/0x90
[   52.446282][ T8910]  do_epoll_wait+0x15a/0x180
[   52.450868][ T8910]  ? fput+0x20/0x30
[   52.454652][ T8910]  __x64_sys_epoll_pwait+0xc6/0x170
[   52.459827][ T8910]  do_syscall_64+0xc7/0x3b0
[   52.464310][ T8910]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   52.470185][ T8910] RIP: 0033:0x45b300
[   52.474069][ T8910] 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
[   52.493664][ T8910] RSP: 002b:000000c42016b860 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   52.502059][ T8910] RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 000000000045b300
[   52.510039][ T8910] RDX: 0000000000000080 RSI: 000000c42016b8a0 RDI: 0000000000000004
[   52.518009][ T8910] RBP: 000000c42016bea0 R08: 0000000000000000 R09: 0000000000000000
[   52.525960][ T8910] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000004
[   52.533994][ T8910] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   52.543359][ T8910] Kernel Offset: disabled
[   52.547683][ T8910] Rebooting in 86400 seconds..