Reported-by: Dmitry Vyukov <[email protected]>
Signed-off-by: Hannes Frederic Sowa <[email protected]>
---
drivers/net/ppp/pptp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/ppp/pptp.c b/drivers/net/ppp/pptp.c
index fc69e41d09506e..f9ffdf070ad807 100644
--- a/drivers/net/ppp/pptp.c
+++ b/drivers/net/ppp/pptp.c
@@ -419,6 +419,9 @@ static int pptp_bind(struct socket *sock, struct sockaddr
*uservaddr,
struct pptp_opt *opt = &po->proto.pptp;
int error = 0;
+ if (sockaddr_len < sizeof(*sp))
+ return -EINVAL;
+
lock_sock(sk);
opt->src_addr = sp->sa_addr.pptp;
--
2.5.0
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