mISDN: Fixing missing validation in base_sock_bind()

Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git

kernel os linux

Add validation code into mISDN/socket.c

Signed-off-by: Emrah Demir <ed@abdsec.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

authored by

Emrah Demir and committed by

David S. Miller 10 years ago b8216468 70af921d

1 changed file

expand all

drivers

isdn

mISDN

socket.c

drivers/isdn/mISDN/socket.c

··· 715 715 if (!maddr || maddr->family != AF_ISDN) 716 716 return -EINVAL; 717 717 718 + if (addr_len < sizeof(struct sockaddr_mISDN)) 719 + return -EINVAL; 720 + 718 721 lock_sock(sk); 719 722 720 723 if (_pms(sk)->dev) {