detect overshooting end of data (89bb1da) - uproctrace · BlinkenArea

detect overshooting end of data

Stefan Schuermans commited on 2020-05-21 10:23:04
Showing 1 changed files, with 3 additions and 0 deletions.

libuptev/src/stringlist.c 2a577ea..9d30712

@@ -16,6 +16,9 @@ static char ** uptev_stringlist_make_ptrs(char *data, size_t sz,
   *cnt = 0;
   while (pos < sz) {
     pos += strlen(data + pos) + 1;
+    if (pos > sz) {
+      break; /* last string overshoots end of data -> ignore it */
+    }
     ++*cnt;
   }
   /* allocate array for pointers */


...	...	@@ -16,6 +16,9 @@ static char ** uptev_stringlist_make_ptrs(char *data, size_t sz,
16	16	*cnt = 0;
17	17	while (pos < sz) {
18	18	pos += strlen(data + pos) + 1;
	19	+ if (pos > sz) {
	20	+ break; /* last string overshoots end of data -> ignore it */
	21	+ }
19	22	++*cnt;
20	23	}
21	24	/* allocate array for pointers */
22	25