Commit 3c6f27bf authored by Dan Rosenberg's avatar Dan Rosenberg Committed by David S. Miller
Browse files

DECnet: don't leak uninitialized stack byte 



A single uninitialized padding byte is leaked to userspace.

Signed-off-by: default avatarDan Rosenberg <drosenberg@vsecurity.com>
CC: stable <stable@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 462ca99c

net/decnet/af_decnet.c

+2 −0
Original line number Diff line number Diff line
@@ -1556,6 +1556,8 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us 
			if (r_len > sizeof(struct linkinfo_dn))

				r_len = sizeof(struct linkinfo_dn);



			memset(&link, 0, sizeof(link));



			switch(sock->state) {

				case SS_CONNECTING:

					link.idn_linkstate = LL_CONNECTING;