commit 122d00291264a705106a45e7cfe7fec131925248
author Gilles Peskine <Gilles.Peskine@arm.com> Wed Jan 23 10:55:43 2019 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> Mon Jan 28 14:41:11 2019 +0100
tree cf3fc647ef13a40e9414cd3d5199599c5bfe8397
parent f603c718c916fdb523fb054e487d2922ea1ea577

Fix memory leak in psa_copy_key

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 3d86e85..d9d4870 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -1228,16 +1228,15 @@
                                            psa_get_key_bits( source ) );
     buffer = mbedtls_calloc( 1, buffer_size );
     if( buffer == NULL )
-    {
-        status = PSA_ERROR_INSUFFICIENT_MEMORY;
-        goto exit;
-    }
+        return( PSA_ERROR_INSUFFICIENT_MEMORY );
     status = psa_internal_export_key( source, buffer, buffer_size, &length, 0 );
     if( status != PSA_SUCCESS )
         goto exit;
     status = psa_import_key( target, source->type, buffer, length );
 
 exit:
+    mbedtls_platform_zeroize( buffer, buffer_size );
+    mbedtls_free( buffer );
     return( status );
 }