kasan-only-apply-__gfp_zerotags-when-memory-is-zeroed.patch removed from -mm tree

The patch titled
Subject: kasan: only apply __GFP_ZEROTAGS when memory is zeroed
has been removed from the -mm tree. Its filename was
kasan-only-apply-__gfp_zerotags-when-memory-is-zeroed.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Andrey Konovalov <[email protected]>
Subject: kasan: only apply __GFP_ZEROTAGS when memory is zeroed

__GFP_ZEROTAGS should only be effective if memory is being zeroed. Currently, hardware tag-based KASAN violates this requirement.

Fix by including an initialization check along with checking for __GFP_ZEROTAGS.

---

 mm/kasan/hw_tags.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

@@ -199,11 +199,12 @@ void kasan_alloc_pages(struct page *page
 	 * page_alloc.c.
 	 */
 	bool init = !want_init_on_free() && want_init_on_alloc(flags);
+	bool init_tags = init && (flags & __GFP_ZEROTAGS);
 
 	if (flags & __GFP_SKIP_KASAN_POISON)
 		SetPageSkipKASanPoison(page);
 
-	if (flags & __GFP_ZEROTAGS) {
+	if (init_tags) {
 		int i;
 
 		for (i = 0; i != 1 << order; ++i)

_

Patches currently in -mm which might be from [email protected] are

stacktrace-add-interface-based-on-shadow-call-stack.patch arm64-scs-save-scs_sp-values-per-cpu-when-switching-stacks.patch arm64-implement-stack_trace_save_shadow.patch kasan-use-stack_trace_save_shadow.patch