From: Loganaden Velvindron <logan@hackers.mu>
Date: Thu, 8 Jun 2017 13:50:04 +0000 (+0100)
Subject: crypto : asymmetric_keys : verify_pefile:zero memory content before freeing
X-Git-Tag: v4.12-rc5~1^2~2
X-Git-Url: https://git.karo-electronics.de/?p=karo-tx-linux.git;a=commitdiff_plain;h=da7798a7b6714cf35ea6084ad6b1fe0497566cf2

crypto : asymmetric_keys : verify_pefile:zero memory content before freeing

Signed-off-by: Loganaden Velvindron <logan@hackers.mu>
Signed-off-by: Yasir Auleear <yasirmx@hackers.mu>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
---

diff --git a/crypto/asymmetric_keys/verify_pefile.c b/crypto/asymmetric_keys/verify_pefile.c
index 672a94c2c3ff..d178650fd524 100644
--- a/crypto/asymmetric_keys/verify_pefile.c
+++ b/crypto/asymmetric_keys/verify_pefile.c
@@ -381,7 +381,7 @@ static int pefile_digest_pe(const void *pebuf, unsigned int pelen,
 	}
 
 error:
-	kfree(desc);
+	kzfree(desc);
 error_no_desc:
 	crypto_free_shash(tfm);
 	kleave(" = %d", ret);
@@ -450,6 +450,6 @@ int verify_pefile_signature(const void *pebuf, unsigned pelen,
 	ret = pefile_digest_pe(pebuf, pelen, &ctx);
 
 error:
-	kfree(ctx.digest);
+	kzfree(ctx.digest);
 	return ret;
 }