Commit b8216468 authored by Emrah Demir's avatar Emrah Demir Committed by David S. Miller

mISDN: Fixing missing validation in base_sock_bind()

Add validation code into mISDN/socket.c
Signed-off-by: default avatarEmrah Demir <ed@abdsec.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 70af921d
...@@ -715,6 +715,9 @@ base_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len) ...@@ -715,6 +715,9 @@ base_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_len)
if (!maddr || maddr->family != AF_ISDN) if (!maddr || maddr->family != AF_ISDN)
return -EINVAL; return -EINVAL;
if (addr_len < sizeof(struct sockaddr_mISDN))
return -EINVAL;
lock_sock(sk); lock_sock(sk);
if (_pms(sk)->dev) { if (_pms(sk)->dev) {
......
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