Hello,

syzbot has tested the proposed patch and the reproducer did not trigger  
crash:

Reported-and-tested-by:  
syzbot+10c98dc5725c6c8fc7fb@syzkaller.appspotmail.com

Note: the tag will also help syzbot to understand when the bug is fixed.

Tested on net commit
1b12580af1d0677c3c3a19e35bfe5d59b03f737f (Mon Feb 12 09:15:40 2018 +0000)
bridge: check brport attr show in brport_show

compiler: gcc (GCC) 7.1.1 20170620
Patch is attached.
Kernel config is attached.


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