Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts.
2019/10/21 20:09:03 fuzzer started
2019/10/21 20:09:04 dialing manager at 10.128.0.105:39747
2019/10/21 20:09:04 syscalls: 2524
2019/10/21 20:09:04 code coverage: enabled
2019/10/21 20:09:04 comparison tracing: enabled
2019/10/21 20:09:04 extra coverage: extra coverage is not supported by the kernel
2019/10/21 20:09:04 setuid sandbox: enabled
2019/10/21 20:09:04 namespace sandbox: enabled
2019/10/21 20:09:04 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/21 20:09:04 fault injection: enabled
2019/10/21 20:09:04 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/21 20:09:04 net packet injection: enabled
2019/10/21 20:09:04 net device setup: enabled
2019/10/21 20:09:04 concurrency sanitizer: enabled
[   47.479229][ T7270] ==================================================================
[   47.487367][ T7270] BUG: KCSAN: data-race in tcp_poll / tcp_queue_rcv
[   47.493943][ T7270] 
[   47.496282][ T7270] write to 0xffff888128cb17b8 of 4 bytes by interrupt on cpu 1:
[   47.503917][ T7270]  tcp_queue_rcv+0x180/0x380
[   47.508495][ T7270]  tcp_rcv_established+0xbf1/0xf50
[   47.513704][ T7270]  tcp_v4_do_rcv+0x381/0x4e0
[   47.518370][ T7270]  tcp_v4_rcv+0x19dc/0x1bb0
[   47.522881][ T7270]  ip_protocol_deliver_rcu+0x4d/0x420
[   47.528247][ T7270]  ip_local_deliver_finish+0x110/0x140
[   47.533709][ T7270]  ip_local_deliver+0x133/0x210
[   47.538557][ T7270]  ip_rcv_finish+0x121/0x160
[   47.543230][ T7270]  ip_rcv+0x18f/0x1a0
[   47.547209][ T7270]  __netif_receive_skb_one_core+0xa7/0xe0
[   47.552988][ T7270]  __netif_receive_skb+0x37/0xf0
[   47.557901][ T7270]  netif_receive_skb_internal+0x59/0x190
[   47.563508][ T7270]  napi_gro_receive+0x28f/0x330
[   47.568336][ T7270]  receive_buf+0x284/0x30b0
[   47.572809][ T7270] 
[   47.575120][ T7270] read to 0xffff888128cb17b8 of 4 bytes by task 7270 on cpu 0:
[   47.582639][ T7270]  tcp_poll+0x204/0x6b0
[   47.586780][ T7270]  sock_poll+0xed/0x250
[   47.590914][ T7270]  ep_item_poll.isra.0+0x90/0x190
[   47.595914][ T7270]  ep_send_events_proc+0x113/0x590
[   47.601000][ T7270]  ep_scan_ready_list.constprop.0+0x189/0x500
[   47.607040][ T7270]  ep_poll+0xe3/0x900
[   47.611000][ T7270]  do_epoll_wait+0x162/0x180
[   47.615565][ T7270]  __x64_sys_epoll_pwait+0xcd/0x180
[   47.620740][ T7270]  do_syscall_64+0xcc/0x370
[   47.625220][ T7270]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   47.631080][ T7270] 
[   47.633389][ T7270] Reported by Kernel Concurrency Sanitizer on:
[   47.639528][ T7270] CPU: 0 PID: 7270 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   47.646957][ T7270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.657005][ T7270] ==================================================================
[   47.665055][ T7270] Kernel panic - not syncing: panic_on_warn set ...
[   47.671622][ T7270] CPU: 0 PID: 7270 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   47.679056][ T7270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   47.689084][ T7270] Call Trace:
[   47.692360][ T7270]  dump_stack+0xf5/0x159
[   47.696586][ T7270]  panic+0x210/0x640
[   47.700461][ T7270]  ? do_syscall_64+0xcc/0x370
[   47.705115][ T7270]  ? vprintk_func+0x8d/0x140
[   47.710034][ T7270]  kcsan_report.cold+0xc/0x10
[   47.714706][ T7270]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   47.720244][ T7270]  ? tcp_recvmsg+0x65b/0x1a30
[   47.724902][ T7270]  __tsan_read4+0x2c/0x30
[   47.729216][ T7270]  tcp_poll+0x204/0x6b0
[   47.733359][ T7270]  ? tcp_alloc_md5sig_pool+0x320/0x320
[   47.738812][ T7270]  sock_poll+0xed/0x250
[   47.742957][ T7270]  ? sock_read_iter+0x1e0/0x1e0
[   47.747795][ T7270]  ep_item_poll.isra.0+0x90/0x190
[   47.752820][ T7270]  ep_send_events_proc+0x113/0x590
[   47.757925][ T7270]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   47.763563][ T7270]  ep_scan_ready_list.constprop.0+0x189/0x500
[   47.769614][ T7270]  ? ep_loop_check_proc+0x2f0/0x2f0
[   47.774794][ T7270]  ep_poll+0xe3/0x900
[   47.778757][ T7270]  ? __fget+0xb8/0x1d0
[   47.782812][ T7270]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   47.788602][ T7270]  ? __fget_light+0xaf/0x190
[   47.793172][ T7270]  do_epoll_wait+0x162/0x180
[   47.797831][ T7270]  __x64_sys_epoll_pwait+0xcd/0x180
[   47.803008][ T7270]  do_syscall_64+0xcc/0x370
[   47.807504][ T7270]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   47.813391][ T7270] RIP: 0033:0x45b300
[   47.817275][ T7270] 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
[   47.836860][ T7270] RSP: 002b:000000c420145860 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   47.845255][ T7270] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045b300
[   47.853258][ T7270] RDX: 0000000000000080 RSI: 000000c4201458a0 RDI: 0000000000000004
[   47.861218][ T7270] RBP: 000000c420145ea0 R08: 0000000000000000 R09: 0000000000000000
[   47.869172][ T7270] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[   47.877126][ T7270] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   47.886493][ T7270] Kernel Offset: disabled
[   47.890831][ T7270] Rebooting in 86400 seconds..