Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts.
2019/10/22 03:31:28 fuzzer started
2019/10/22 03:31:30 dialing manager at 10.128.0.105:37053
2019/10/22 03:31:30 syscalls: 2524
2019/10/22 03:31:30 code coverage: enabled
2019/10/22 03:31:30 comparison tracing: enabled
2019/10/22 03:31:30 extra coverage: extra coverage is not supported by the kernel
2019/10/22 03:31:30 setuid sandbox: enabled
2019/10/22 03:31:30 namespace sandbox: enabled
2019/10/22 03:31:30 Android sandbox: /sys/fs/selinux/policy does not exist
2019/10/22 03:31:30 fault injection: enabled
2019/10/22 03:31:30 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/10/22 03:31:30 net packet injection: enabled
2019/10/22 03:31:30 net device setup: enabled
2019/10/22 03:31:30 concurrency sanitizer: enabled
[   57.385313][ T7230] ==================================================================
[   57.393472][ T7230] BUG: KCSAN: data-race in tcp_poll / tcp_queue_rcv
[   57.400043][ T7230] 
[   57.402360][ T7230] write to 0xffff888118cfaeb8 of 4 bytes by interrupt on cpu 0:
[   57.409979][ T7230]  tcp_queue_rcv+0x180/0x380
[   57.414553][ T7230]  tcp_rcv_established+0xbf1/0xf50
[   57.419652][ T7230]  tcp_v4_do_rcv+0x381/0x4e0
[   57.424232][ T7230]  tcp_v4_rcv+0x19dc/0x1bb0
[   57.428723][ T7230]  ip_protocol_deliver_rcu+0x4d/0x420
[   57.434092][ T7230]  ip_local_deliver_finish+0x110/0x140
[   57.439538][ T7230]  ip_local_deliver+0x133/0x210
[   57.444374][ T7230]  ip_rcv_finish+0x121/0x160
[   57.448954][ T7230]  ip_rcv+0x18f/0x1a0
[   57.452923][ T7230]  __netif_receive_skb_one_core+0xa7/0xe0
[   57.458630][ T7230]  __netif_receive_skb+0x37/0xf0
[   57.463558][ T7230]  netif_receive_skb_internal+0x59/0x190
[   57.469208][ T7230]  napi_gro_receive+0x28f/0x330
[   57.474034][ T7230]  receive_buf+0x284/0x30b0
[   57.478504][ T7230] 
[   57.480808][ T7230] read to 0xffff888118cfaeb8 of 4 bytes by task 7230 on cpu 1:
[   57.488325][ T7230]  tcp_poll+0x204/0x6b0
[   57.492464][ T7230]  sock_poll+0xed/0x250
[   57.496597][ T7230]  ep_item_poll.isra.0+0x90/0x190
[   57.501617][ T7230]  ep_send_events_proc+0x113/0x590
[   57.506704][ T7230]  ep_scan_ready_list.constprop.0+0x189/0x500
[   57.512742][ T7230]  ep_poll+0xe3/0x900
[   57.516734][ T7230]  do_epoll_wait+0x162/0x180
[   57.521301][ T7230]  __x64_sys_epoll_pwait+0xcd/0x180
[   57.526477][ T7230]  do_syscall_64+0xcc/0x370
[   57.530992][ T7230]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   57.536852][ T7230] 
[   57.539153][ T7230] Reported by Kernel Concurrency Sanitizer on:
[   57.545279][ T7230] CPU: 1 PID: 7230 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   57.552703][ T7230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.562764][ T7230] ==================================================================
[   57.570797][ T7230] Kernel panic - not syncing: panic_on_warn set ...
[   57.577357][ T7230] CPU: 1 PID: 7230 Comm: syz-fuzzer Not tainted 5.4.0-rc3+ #0
[   57.584792][ T7230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.594818][ T7230] Call Trace:
[   57.598095][ T7230]  dump_stack+0xf5/0x159
[   57.602314][ T7230]  panic+0x210/0x640
[   57.606188][ T7230]  ? do_syscall_64+0xcc/0x370
[   57.610896][ T7230]  ? vprintk_func+0x8d/0x140
[   57.615475][ T7230]  kcsan_report.cold+0xc/0x10
[   57.620140][ T7230]  __kcsan_setup_watchpoint+0x32e/0x4a0
[   57.625752][ T7230]  ? tcp_recvmsg+0x65b/0x1a30
[   57.630407][ T7230]  __tsan_read4+0x2c/0x30
[   57.634728][ T7230]  tcp_poll+0x204/0x6b0
[   57.638874][ T7230]  ? tcp_alloc_md5sig_pool+0x320/0x320
[   57.644309][ T7230]  sock_poll+0xed/0x250
[   57.648446][ T7230]  ? sock_read_iter+0x1e0/0x1e0
[   57.653274][ T7230]  ep_item_poll.isra.0+0x90/0x190
[   57.658279][ T7230]  ep_send_events_proc+0x113/0x590
[   57.663369][ T7230]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   57.668985][ T7230]  ep_scan_ready_list.constprop.0+0x189/0x500
[   57.675026][ T7230]  ? ep_loop_check_proc+0x2f0/0x2f0
[   57.680201][ T7230]  ep_poll+0xe3/0x900
[   57.684159][ T7230]  ? __fget+0xb8/0x1d0
[   57.688205][ T7230]  ? __kcsan_setup_watchpoint+0x6b/0x4a0
[   57.693819][ T7230]  ? __fget_light+0xaf/0x190
[   57.698385][ T7230]  do_epoll_wait+0x162/0x180
[   57.702953][ T7230]  __x64_sys_epoll_pwait+0xcd/0x180
[   57.708141][ T7230]  do_syscall_64+0xcc/0x370
[   57.712627][ T7230]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   57.718499][ T7230] RIP: 0033:0x45b300
[   57.722380][ T7230] 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
[   57.741956][ T7230] RSP: 002b:000000c4202d3860 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   57.750341][ T7230] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045b300
[   57.758298][ T7230] RDX: 0000000000000080 RSI: 000000c4202d38a0 RDI: 0000000000000004
[   57.766253][ T7230] RBP: 000000c4202d3ea0 R08: 0000000000000000 R09: 0000000000000000
[   57.774286][ T7230] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000020
[   57.782242][ T7230] R13: ffffffffffffffff R14: 0000000000000002 R15: ffffffffffffffff
[   57.791655][ T7230] Kernel Offset: disabled
[   57.795973][ T7230] Rebooting in 86400 seconds..