From 20d85bbe9b0234c83d64dc1fc853e92cc80a2672 Mon Sep 17 00:00:00 2001 From: Matt Valentine-House Date: Thu, 5 Feb 2026 18:23:34 -0500 Subject: Make sure we clear the bits when adding a new page --- gc/default/default.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/gc/default/default.c b/gc/default/default.c index 8fa030cadc..8507219155 100644 --- a/gc/default/default.c +++ b/gc/default/default.c @@ -2011,6 +2011,9 @@ heap_add_page(rb_objspace_t *objspace, rb_heap_t *heap, struct heap_page *page) page->slot_div_magic = slot_div_magics[heap - heaps]; page->heap = heap; + memset(&page->wb_unprotected_bits[0], 0, HEAP_PAGE_BITMAP_SIZE); + memset(&page->age_bits[0], 0, sizeof(page->age_bits)); + asan_unlock_freelist(page); page->freelist = NULL; asan_unpoison_memory_region(page->body, HEAP_PAGE_SIZE, false); -- cgit v1.2.3