[CTL] Add size check for umfCtlExec

KFilipek · KFilipek · commit ba5c390e730b · 2025-05-28T12:16:46.000+02:00
diff --git a/src/libumf.c b/src/libumf.c
@@ -127,6 +127,9 @@ umf_result_t umfCtlExec(const char *name, void *ctx, void *arg, size_t size) {
     if (name == NULL) {
         return UMF_RESULT_ERROR_INVALID_ARGUMENT;
     }
+    if ((arg == NULL && size != 0) || (arg != NULL && size == 0)) {
+        return UMF_RESULT_ERROR_INVALID_ARGUMENT;
+    }
 
     return ctl_query(NULL, ctx, CTL_QUERY_PROGRAMMATIC, name,
                      CTL_QUERY_RUNNABLE, arg, size)

Original file line number	Diff line number	Diff line change
`@@ -127,6 +127,9 @@ umf_result_t umfCtlExec(const char name, void ctx, void *arg, size_t size) {`
`127`	`127`	`if (name == NULL) {`
`128`	`128`	`return UMF_RESULT_ERROR_INVALID_ARGUMENT;`
`129`	`129`	`}`
	`130`	`+ if ((arg == NULL && size != 0) \|\| (arg != NULL && size == 0)) {`
	`131`	`+ return UMF_RESULT_ERROR_INVALID_ARGUMENT;`
	`132`	`+ }`
`130`	`133`
`131`	`134`	`return ctl_query(NULL, ctx, CTL_QUERY_PROGRAMMATIC, name,`
`132`	`135`	`CTL_QUERY_RUNNABLE, arg, size)`