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Message-ID: <51025C1F.8050600@linux-ipv6.org>
Date:	Fri, 25 Jan 2013 19:19:11 +0900
From:	YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
To:	dmitry.kasatkin@...el.com, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org
CC:	yoshfuji@...ux-ipv6.org
Subject: [PATCH] digsig: Fix memory leakage in digsig_verify_rsa().

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

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@...ux-ipv6.org>
---
 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;
-- 
1.7.9.5

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