tree 39e08cb32dee46af6f9ea62ef32d4323e98d8ebc
parent 2f99aa31cd7a5d667f17dd2924c884c3d2c621ac
author Stephen Hemminger <stephen@networkplumber.org> 1524852969 -0700
committer Pablo Neira Ayuso <pablo@netfilter.org> 1525781292 +0200

netfilter: bridge: stp fix reference to uninitialized data

The destination mac (destmac) is only valid if EBT_DESTMAC flag
is set. Fix by changing the order of the comparison to look for
the flag first.

Reported-by: syzbot+5c06e318fc558cc27823@syzkaller.appspotmail.com
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>