From 0c886210b7a740744e8319b3987845f2c27261e1 Mon Sep 17 00:00:00 2001 From: Simo Sorce Date: Thu, 27 Aug 2020 15:35:40 -0400 Subject: [PATCH] Always free ciphertext data in gp_encrypt_buffer Signed-off-by: Simo Sorce [rharwood@redhat.com: rewrote commit message] Reviewed-by: Robbie Harwood (cherry picked from commit fe9e3c29caab90daf19028fb31ff28622d8708a9) --- proxy/src/gp_export.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/proxy/src/gp_export.c b/proxy/src/gp_export.c index a5681c0..fb2f81b 100644 --- a/proxy/src/gp_export.c +++ b/proxy/src/gp_export.c @@ -308,10 +308,9 @@ static int gp_encrypt_buffer(krb5_context context, krb5_keyblock *key, ret = gp_conv_octet_string(enc_handle.ciphertext.length, enc_handle.ciphertext.data, out); - if (ret) { - free(enc_handle.ciphertext.data); - goto done; - } + /* the conversion function copies the data, so free our copy + * unconditionally, or we leak */ + free(enc_handle.ciphertext.data); done: free(padded);