| commit | eb1c28c05894a4b1f6b56c5bf072205e64cfa280 | [log] [tgz] |
|---|---|---|
| author | Guillaume Nault <g.nault@alphalink.fr> | Mon Apr 23 16:15:14 2018 +0200 |
| committer | David S. Miller <davem@davemloft.net> | Mon Apr 23 21:10:43 2018 -0400 |
| tree | 0de3c2e5837660745019af3c67e19249105b86c3 | |
| parent | b6a930fa88083b41d26ddf1cab95cbd740936c22 [diff] |
l2tp: check sockaddr length in pppol2tp_connect()
Check sockaddr_len before dereferencing sp->sa_protocol, to ensure that
it actually points to valid data.
Fixes: fd558d186df2 ("l2tp: Split pppol2tp patch into separate l2tp and ppp parts")
Reported-by: syzbot+a70ac890b23b1bf29f5c@syzkaller.appspotmail.com
Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>