STATIC int vmg_svt_free(pTHX_ SV *sv, MAGIC *mg) {
/* So that it can survive tmp cleanup in vmg_cb_call */
SvREFCNT_inc(sv);
+#if !VMG_HAS_PERL_AND(32686, 5, 11, 0)
+ /* The previous magic tokens were freed but the magic chain wasn't updated, so
+ * if you access the sv from the callback the old deleted magics will trigger
+ * and cause memory misreads. Change 32686 solved it that way : */
+ SvMAGIC_set(sv, mg);
+#endif
/* Perl_mg_free will get rid of the magic and decrement mg->mg_obj and
* mg->mg_ptr reference count */
return vmg_cb_call1(SV2MGWIZ(mg->mg_ptr)->cb_free, sv, mg->mg_obj);
PROTOTYPE: DISABLE
PREINIT:
HV *hv;
- U16 count;
CODE:
#if VMG_THREADSAFE
{
hv = newHV();
hv_iterinit(hv); /* Allocate iterator */
hv_iterinit(MY_CXT);
- while (key = hv_iternext(MY_CXT)) {
+ while ((key = hv_iternext(MY_CXT))) {
STRLEN len;
char *sig = HePV(key, len);
SV *sv;
MAGIC *mg;
- MGWIZ *w;
sv = MGWIZ2SV(vmg_wizard_clone(SV2MGWIZ(HeVAL(key))));
mg = sv_magicext(sv, NULL, PERL_MAGIC_ext, &vmg_wizard_vtbl, NULL, 0);
mg->mg_private = SIG_WIZ;