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-rw-r--r--ext/mysqlnd/mysqlnd_palloc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/ext/mysqlnd/mysqlnd_palloc.h b/ext/mysqlnd/mysqlnd_palloc.h
index 5a1228366d..f84fcc38ef 100644
--- a/ext/mysqlnd/mysqlnd_palloc.h
+++ b/ext/mysqlnd/mysqlnd_palloc.h
@@ -68,6 +68,8 @@ typedef struct st_mysqlnd_zval {
typedef struct st_mysqlnd_ndzval_list {
mysqlnd_zval **ptr_line; /* we allocate this, all are pointers to the block */
+ void *canary1;
+ void *canary2;
mysqlnd_zval **last_added; /* this points to the ptr_line, and moves left-right. It's our stack */
} mysqlnd_ndzval_list;