opencryptoki/SOURCES/opencryptoki-3.19.0-fix-memory-leak.patch

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2023-01-12 08:26:42 +00:00
commit d5ccb00e52f5b0c66533f085cda36f63f7583d44
Author: Ingo Franzki <ifranzki@linux.ibm.com>
Date: Tue Jul 19 16:16:55 2022 +0200
common: fix memory leak in save_private_token_object
Reported by coverty scan:
Error: RESOURCE_LEAK (CWE-772):
opencryptoki-3.18.0/usr/lib/common/loadsave.c:2311: alloc_fn:
Storage is returned from allocation function "fopen".
opencryptoki-3.18.0/usr/lib/common/loadsave.c:2311: var_assign:
Assigning: "fp" = storage returned from "fopen(fname, "r")".
opencryptoki-3.18.0/usr/lib/common/loadsave.c:2316: noescape:
Resource "fp" is not freed or pointed-to in "fileno".
opencryptoki-3.18.0/usr/lib/common/loadsave.c:2407: overwrite_var:
Overwriting "fp" in "fp = fopen(fname, "w")" leaks the storage that "fp" points to.
Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
diff --git a/usr/lib/common/loadsave.c b/usr/lib/common/loadsave.c
index bbd691c0..91955f47 100644
--- a/usr/lib/common/loadsave.c
+++ b/usr/lib/common/loadsave.c
@@ -2344,6 +2344,8 @@ CK_RV save_private_token_object(STDLL_TokData_t *tokdata, OBJECT *obj)
/* New token objects files created by mkstemp have a size of zero */
if (sb.st_size == 0) {
new = 1;
+ fclose(fp);
+ fp = NULL;
goto do_work;
}