Commit f4e4a296 authored by Colin Ian King's avatar Colin Ian King Committed by Greg Kroah-Hartman

irda: do not leak initialized list.dev to userspace


[ Upstream commit b024d949 ]

list.dev has not been initialized and so the copy_to_user is copying
data from the stack back to user space which is a potential
information leak. Fix this ensuring all of list is initialized to
zero.

Detected by CoverityScan, CID#1357894 ("Uninitialized scalar variable")
Signed-off-by: default avatarColin Ian King <colin.king@canonical.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 754df4da
...@@ -2225,7 +2225,7 @@ static int irda_getsockopt(struct socket *sock, int level, int optname, ...@@ -2225,7 +2225,7 @@ static int irda_getsockopt(struct socket *sock, int level, int optname,
{ {
struct sock *sk = sock->sk; struct sock *sk = sock->sk;
struct irda_sock *self = irda_sk(sk); struct irda_sock *self = irda_sk(sk);
struct irda_device_list list; struct irda_device_list list = { 0 };
struct irda_device_info *discoveries; struct irda_device_info *discoveries;
struct irda_ias_set * ias_opt; /* IAS get/query params */ struct irda_ias_set * ias_opt; /* IAS get/query params */
struct ias_object * ias_obj; /* Object in IAS */ struct ias_object * ias_obj; /* Object in IAS */
......
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