[PATCH 27/81] digsig: Fix memory leakage in digsig_verify_rsa()

From: Herton Ronaldo Krzesinski
Date: Tue Feb 19 2013 - 14:11:06 EST -stable review patch. If anyone has any objections, please let me know.


From: YOSHIFUJI Hideaki <yoshfuji@xxxxxxxxxxxxxx>

commit 7810cc1e7721220f1ed2a23ca95113d6434f6dcd upstream.

digsig_verify_rsa() does not free kmalloc'ed buffer returned by

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@xxxxxxxxxxxxxx>
Signed-off-by: Dmitry Kasatkin <dmitry.kasatkin@xxxxxxxxx>
Signed-off-by: James Morris <james.l.morris@xxxxxxxxxx>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@xxxxxxxxxxxxx>
lib/digsig.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/lib/digsig.c b/lib/digsig.c
index 8c0e629..dc2be7e 100644
--- a/lib/digsig.c
+++ b/lib/digsig.c
@@ -162,6 +162,8 @@ static int digsig_verify_rsa(struct key *key,
memset(out1, 0, head);
memcpy(out1 + head, p, l);

+ kfree(p);
err = pkcs_1_v1_5_decode_emsa(out1, len, mblen, out2, &len);
if (err)
goto err;

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/