audit: type=1400 audit(1571609794.725:5): avc:  denied  { associate } for  pid=2059 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4546 at net/ipv4/tcp.c:2193 tcp_close+0xd1e/0x10b0 net/ipv4/tcp.c:2193
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 4546 Comm: syz-executor.0 Not tainted 4.9.194+ #0
 ffff8801c6acfb90 ffffffff81b67001 0000000000000000 ffffffff82a3b3c0
 00000000ffffffff 0000000000000000 0000000000000009 ffff8801c6acfc70
 ffffffff813fef3a 0000000041b58ab3 ffffffff82e32f55 ffffffff813fed61
Call Trace:
 [<000000005bd0033f>] __dump_stack lib/dump_stack.c:15 [inline]
 [<000000005bd0033f>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<0000000023045872>] panic+0x1d9/0x3bd kernel/panic.c:180
 [<00000000c5e75239>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<000000007d861752>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589
 [<00000000e04c3737>] tcp_close+0xd1e/0x10b0 net/ipv4/tcp.c:2193
 [<00000000a4a058c4>] inet_release+0xf2/0x1c0 net/ipv4/af_inet.c:430
 [<000000003e297120>] inet6_release+0x53/0x80 net/ipv6/af_inet6.c:455
 [<000000003b4986f3>] __sock_release+0xd3/0x2c0 net/socket.c:605
 [<000000006fdc91c0>] sock_close+0x1b/0x30 net/socket.c:1060
 [<00000000d5c6e10d>] __fput+0x274/0x720 fs/file_table.c:208
 [<0000000000bb4b7b>] ____fput+0x16/0x20 fs/file_table.c:244
 [<00000000160adbef>] task_work_run+0x108/0x180 kernel/task_work.c:116
 [<000000000b78d0c7>] tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 [<000000000b78d0c7>] exit_to_usermode_loop+0x13b/0x160 arch/x86/entry/common.c:163
 [<000000006f147598>] prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 [<000000006f147598>] syscall_return_slowpath arch/x86/entry/common.c:266 [inline]
 [<000000006f147598>] do_syscall_64+0x3ab/0x5c0 arch/x86/entry/common.c:293
 [<000000008a7f813f>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..