WARNING in apparmor_secid_to_secctx

[John Johansen]

On 08/29/2018 07:17 PM, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    817e60a7a2bb Merge branch 'nfp-add-NFP5000-support'
> git tree:       net-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=1536d296400000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=531a917630d2a492
> dashboard link: https://syzkaller.appspot.com/bug?extid=21016130b0580a9de3b5
> compiler:       gcc (GCC) 8.0.1 20180413 (experimental)
> 
> Unfortunately, I don't have any reproducer for this crash yet.
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+21016130b0580a9de3b5 at syzkaller.appspotmail.com
> 

<< snip >>

Patch sent directly to syzbot for testing