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authorEric Dumazet <eric.dumazet@gmail.com>2009-08-06 03:31:07 +0000
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-08 20:17:42 -0700
commit7e8287379470a7c18153be389c9516e31ae141f3 (patch)
tree99011f2ba5d830e815c4412254aa2ca75b24f27e
parent42c6afea4b7a0512d2fd7c2b7fc6fa667366e315 (diff)
netrom: Fix nr_getname() leak
commit f6b97b29513950bfbf621a83d85b6f86b39ec8db upstream. nr_getname() can leak kernel memory to user. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--net/netrom/af_netrom.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index db9e263fa62e..ad72bde4f94e 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -848,6 +848,7 @@ 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 {