Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts.
2020/07/17 14:00:54 fuzzer started
2020/07/17 14:00:54 dialing manager at 10.128.0.105:45699
2020/07/17 14:00:54 syscalls: 3189
2020/07/17 14:00:54 code coverage: enabled
2020/07/17 14:00:54 comparison tracing: enabled
2020/07/17 14:00:54 extra coverage: enabled
2020/07/17 14:00:54 setuid sandbox: enabled
2020/07/17 14:00:54 namespace sandbox: enabled
2020/07/17 14:00:54 Android sandbox: /sys/fs/selinux/policy does not exist
2020/07/17 14:00:54 fault injection: enabled
2020/07/17 14:00:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2020/07/17 14:00:54 net packet injection: enabled
2020/07/17 14:00:54 net device setup: enabled
2020/07/17 14:00:54 concurrency sanitizer: enabled
2020/07/17 14:00:54 devlink PCI setup: PCI device 0000:00:10.0 is not available
2020/07/17 14:00:54 USB emulation: enabled
2020/07/17 14:00:55 suppressing KCSAN reports in functions: '__xa_clear_mark' 'do_nanosleep' 'ext4_free_inode' 'futex_wait_queue_me' 'do_select' 
syzkaller login: [   31.531945][ T8632] ==================================================================
[   31.540232][ T8632] BUG: KCSAN: data-race in do_epoll_wait / ep_poll_callback
[   31.547485][ T8632] 
[   31.549788][ T8632] write to 0xffff88811f00f650 of 8 bytes by interrupt on cpu 0:
[   31.557686][ T8632]  ep_poll_callback+0x29c/0x510
[   31.562673][ T8632]  __wake_up_common+0xbc/0x130
[   31.567460][ T8632]  __wake_up_sync_key+0x83/0xc0
[   31.572498][ T8632]  sock_def_readable+0x61/0xe0
[   31.578625][ T8632]  tcp_rcv_established+0x13c0/0x1520
[   31.584259][ T8632]  tcp_v4_do_rcv+0x25e/0x480
[   31.588824][ T8632]  tcp_v4_rcv+0x219b/0x2420
[   31.593326][ T8632]  ip_protocol_deliver_rcu+0x1f9/0x400
[   31.598873][ T8632]  ip_local_deliver+0x1d6/0x2a0
[   31.603709][ T8632]  ip_sublist_rcv+0x4d4/0x5a0
[   31.608441][ T8632]  ip_list_rcv+0x262/0x290
[   31.612866][ T8632]  __netif_receive_skb_list_core+0x34b/0x450
[   31.618912][ T8632]  __netif_receive_skb_list+0x298/0x310
[   31.624433][ T8632]  netif_receive_skb_list_internal+0xda/0x330
[   31.630474][ T8632]  napi_gro_receive+0x329/0x5a0
[   31.635291][ T8632]  receive_buf+0x7a4/0xcf0
[   31.639673][ T8632]  virtnet_poll+0x2fa/0x780
[   31.644144][ T8632]  napi_poll+0x178/0x4a0
[   31.648460][ T8632]  net_rx_action+0x1ba/0x530
[   31.653181][ T8632]  __do_softirq+0x198/0x360
[   31.657745][ T8632]  run_ksoftirqd+0x2f/0x60
[   31.663139][ T8632]  smpboot_thread_fn+0x347/0x530
[   31.668050][ T8632]  kthread+0x20d/0x230
[   31.672188][ T8632]  ret_from_fork+0x1f/0x30
[   31.676570][ T8632] 
[   31.678891][ T8632] read to 0xffff88811f00f650 of 8 bytes by task 8632 on cpu 1:
[   31.686418][ T8632]  do_epoll_wait+0x2e2/0x870
[   31.691078][ T8632]  __x64_sys_epoll_pwait+0x92/0x150
[   31.696255][ T8632]  do_syscall_64+0x51/0xb0
[   31.700647][ T8632]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   31.706505][ T8632] 
[   31.709015][ T8632] Reported by Kernel Concurrency Sanitizer on:
[   31.715285][ T8632] CPU: 1 PID: 8632 Comm: syz-fuzzer Not tainted 5.8.0-rc5-syzkaller #0
[   31.723896][ T8632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.733925][ T8632] ==================================================================
[   31.742082][ T8632] Kernel panic - not syncing: panic_on_warn set ...
[   31.748642][ T8632] CPU: 1 PID: 8632 Comm: syz-fuzzer Not tainted 5.8.0-rc5-syzkaller #0
[   31.756931][ T8632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.767027][ T8632] Call Trace:
[   31.770296][ T8632]  dump_stack+0x10f/0x19d
[   31.774598][ T8632]  panic+0x207/0x64a
[   31.778477][ T8632]  ? vprintk_emit+0x44a/0x4f0
[   31.783171][ T8632]  kcsan_report+0x684/0x690
[   31.787683][ T8632]  ? kcsan_setup_watchpoint+0x453/0x4d0
[   31.793200][ T8632]  ? do_epoll_wait+0x2e2/0x870
[   31.797934][ T8632]  ? __x64_sys_epoll_pwait+0x92/0x150
[   31.803287][ T8632]  ? do_syscall_64+0x51/0xb0
[   31.807871][ T8632]  ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   31.813933][ T8632]  ? ep_send_events_proc+0x4fd/0x620
[   31.819201][ T8632]  kcsan_setup_watchpoint+0x453/0x4d0
[   31.824646][ T8632]  do_epoll_wait+0x2e2/0x870
[   31.829297][ T8632]  ? debug_smp_processor_id+0x18/0x20
[   31.834794][ T8632]  __x64_sys_epoll_pwait+0x92/0x150
[   31.840068][ T8632]  do_syscall_64+0x51/0xb0
[   31.844475][ T8632]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   31.850340][ T8632] RIP: 0033:0x469240
[   31.854200][ T8632] Code: Bad RIP value.
[   31.858238][ T8632] RSP: 002b:000000c0001497f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000119
[   31.866619][ T8632] RAX: ffffffffffffffda RBX: 00000000000002bc RCX: 0000000000469240
[   31.874565][ T8632] RDX: 0000000000000080 RSI: 000000c000149840 RDI: 0000000000000003
[   31.882624][ T8632] RBP: 000000c000149e40 R08: 0000000000000000 R09: 0000000000000000
[   31.890570][ T8632] R10: 00000000000002bc R11: 0000000000000246 R12: 0000000000000003
[   31.898710][ T8632] R13: 000000c000001500 R14: 0000000000000002 R15: 0000000000000002
[   31.908616][ T8632] Kernel Offset: disabled
[   31.913087][ T8632] Rebooting in 86400 seconds..