patch 9.0.0260: using freed memory when using 'quickfixtextfunc' recursively
Problem: Using freed memory when using 'quickfixtextfunc' recursively.
Solution: Do not allow for recursion.
diff --git a/src/quickfix.c b/src/quickfix.c
index 54ae07d..6af62e8 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -4674,6 +4674,11 @@
{
callback_T *cb = &qftf_cb;
list_T *qftf_list = NULL;
+ static int recursive = FALSE;
+
+ if (recursive)
+ return NULL; // this doesn't work properly recursively
+ recursive = TRUE;
// If 'quickfixtextfunc' is set, then use the user-supplied function to get
// the text to display. Use the local value of 'quickfixtextfunc' if it is
@@ -4688,7 +4693,10 @@
// create the dict argument
if ((d = dict_alloc_lock(VAR_FIXED)) == NULL)
+ {
+ recursive = FALSE;
return NULL;
+ }
dict_add_number(d, "quickfix", (long)IS_QF_LIST(qfl));
dict_add_number(d, "winid", (long)qf_winid);
dict_add_number(d, "id", (long)qfl->qf_id);
@@ -4711,6 +4719,7 @@
dict_unref(d);
}
+ recursive = FALSE;
return qftf_list;
}