Unpoison freelist to chain

ruby · Dec 10, 2020 · 142f154 · 142f154
1 parent 9a17437
commit 142f154
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/gc.c b/gc.c
@@ -2181,6 +2181,7 @@ ractor_cached_freeobj(rb_objspace_t *objspace, rb_ractor_t *cr)
     else {
         if (cr->newobj_cache.free_pages) {
             struct heap_page *page = cr->newobj_cache.free_pages;
+            asan_unpoison_memory_region(&page->freelist, sizeof(RVALUE*), false);
             cr->newobj_cache.free_pages = page->free_next;
             ractor_cache_fill_freelist(objspace, cr, page);
             goto retry;