| commit | a49e2f5d5fb141884452ddb428f551b123d436b5 | [log] [tgz] |
|---|---|---|
| author | Guillaume Nault <g.nault@alphalink.fr> | Mon Apr 23 16:38:27 2018 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Mon Apr 23 21:12:15 2018 -0400 |
| tree | ab6db419604880f6a732256c543be5adfbd2a2d9 | |
| parent | eb1c28c05894a4b1f6b56c5bf072205e64cfa280 [diff] |
pppoe: check sockaddr length in pppoe_connect()
We must validate sockaddr_len, otherwise userspace can pass fewer data
than we expect and we end up accessing invalid data.
Fixes: 224cf5ad14c0 ("ppp: Move the PPP drivers")
Reported-by: syzbot+4f03bdf92fdf9ef5ddab@syzkaller.appspotmail.com
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>