[PATCH 22/23] crypto : asymmetric_keys : verify_pefile:zero memory content before freeing

From: David Howells
Date: Thu Jun 08 2017 - 09:50:17 EST


From: Loganaden Velvindron <logan@xxxxxxxxxx>

Signed-off-by: Loganaden Velvindron <logan@xxxxxxxxxx>
Signed-off-by: Yasir Auleear <yasirmx@xxxxxxxxxx>
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
---

crypto/asymmetric_keys/verify_pefile.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

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;
}