Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts.
2019/10/20 21:53:02 parsed 1 programs
2019/10/20 21:53:04 executed programs: 0
syzkaller login: [   41.399509] ------------[ cut here ]------------
[   41.404333] WARNING: CPU: 0 PID: 2621 at net/ipv4/tcp.c:2131 tcp_close+0xc30/0xfa0()
[   41.412331] Kernel panic - not syncing: panic_on_warn set ...
[   41.412331] 
[   41.419689] CPU: 0 PID: 2621 Comm: syz-executor.0 Not tainted 4.4.174+ #4
[   41.426602]  0000000000000000 a2ca428fb2c80fe7 ffff8801d0d7fbb0 ffffffff81aad1a1
[   41.434656]  0000000000000000 ffffffff82835ee0 ffffffff82a85940 0000000000000853
[   41.442719]  ffffffff823fe910 ffff8801d0d7fc90 ffffffff813a48c2 0000000041b58ab3
[   41.450754] Call Trace:
[   41.453338]  [<ffffffff81aad1a1>] dump_stack+0xc1/0x120
[   41.458690]  [<ffffffff823fe910>] ? tcp_close+0xc30/0xfa0
[   41.464216]  [<ffffffff813a48c2>] panic+0x1b9/0x37b
[   41.469219]  [<ffffffff813a4709>] ? add_taint.cold+0x16/0x16
[   41.475005]  [<ffffffff811ff385>] ? trace_hardirqs_on_caller+0x385/0x5a0
[   41.481848]  [<ffffffff813a4a9e>] ? warn_slowpath_common.cold+0x5/0x20
[   41.488503]  [<ffffffff813a4ab9>] warn_slowpath_common.cold+0x20/0x20
[   41.495087]  [<ffffffff810d3aaa>] warn_slowpath_null+0x2a/0x30
[   41.501059]  [<ffffffff823fe910>] tcp_close+0xc30/0xfa0
[   41.506409]  [<ffffffff824c3336>] ? ip_mc_drop_socket+0x1d6/0x230
[   41.512639]  [<ffffffff824a6a3f>] inet_release+0xff/0x1d0
[   41.518184]  [<ffffffff82599893>] inet6_release+0x53/0x80
[   41.523707]  [<ffffffff821d36a5>] __sock_release+0xd5/0x260
[   41.529406]  [<ffffffff821d3830>] ? __sock_release+0x260/0x260
[   41.535378]  [<ffffffff821d384b>] sock_close+0x1b/0x30
[   41.540639]  [<ffffffff8149c8c6>] __fput+0x246/0x710
[   41.545726]  [<ffffffff8149ce16>] ____fput+0x16/0x20
[   41.550816]  [<ffffffff8112f352>] task_work_run+0x202/0x2b0
[   41.556517]  [<ffffffff81003dca>] exit_to_usermode_loop+0x14a/0x170
[   41.562909]  [<ffffffff8100569b>] syscall_return_slowpath+0x25b/0x2e0
[   41.569473]  [<ffffffff82718ce1>] int_ret_from_sys_call+0x25/0xa3
[   41.576363] Kernel Offset: disabled
[   41.579998] Rebooting in 86400 seconds..