Set marks to NULL after freeing

realloc() was being called on an already freed pointer.

Fixes #2900

diff --git a/src/load_layout.c b/src/load_layout.c
index 632c6ec76f737d25d3cf78771455e4b15b6fc942..7961e17f96a2ef75e420014d99802634c75e995d 100644 (file)
--- a/src/load_layout.c
+++ b/src/load_layout.c
@@ -157,6 +157,7 @@ static int json_end_map(void *ctx) {
             }
 
             free(marks);
+            marks = NULL;
             num_marks = 0;
         }