From 160f7a7c66e7e3d249de853cd5a1ebe0becd9fe1 Mon Sep 17 00:00:00 2001
From: Robbie Harwood <rharwood@redhat.com>
Date: Wed, 1 May 2019 11:27:13 -0400
Subject: [PATCH] Avoid uninitialized free when allocating buffers
Signed-off-by: Robbie Harwood <rharwood@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>
Resolves: #248
(cherry picked from commit eafa3c9272c95646400123f8e4d6fb50cf36d36c)
---
src/gp_export.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/gp_export.c b/src/gp_export.c
index dbfddeb..a5681c0 100644
--- a/src/gp_export.c
+++ b/src/gp_export.c
@@ -300,6 +300,7 @@ static int gp_encrypt_buffer(krb5_context context, krb5_keyblock *key,
&data_in,
&enc_handle);
if (ret) {
+ free(enc_handle.ciphertext.data);
ret = EINVAL;
goto done;
}
@@ -308,12 +309,12 @@ static int gp_encrypt_buffer(krb5_context context, krb5_keyblock *key,
enc_handle.ciphertext.data,
out);
if (ret) {
+ free(enc_handle.ciphertext.data);
goto done;
}
done:
free(padded);
- free(enc_handle.ciphertext.data);
return ret;
}