Commit f6b97b29 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

netrom: Fix nr_getname() leak 



nr_getname() can leak kernel memory to user.

Signed-off-by: default avatarEric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 80922bbb

net/netrom/af_netrom.c

+1 −0
Original line number Diff line number Diff line
@@ -847,6 +847,7 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr, 
		sax->fsa_ax25.sax25_family = AF_NETROM;

		sax->fsa_ax25.sax25_ndigis = 1;

		sax->fsa_ax25.sax25_call   = nr->user_addr;

		memset(sax->fsa_digipeater, 0, sizeof(sax->fsa_digipeater));

		sax->fsa_digipeater[0]     = nr->dest_addr;

		*uaddr_len = sizeof(struct full_sockaddr_ax25);

	} else {