D41897.id.diff
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D41897.id.diff
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	diff --git a/sys/kern/subr_asan.c b/sys/kern/subr_asan.c
	--- a/sys/kern/subr_asan.c
	+++ b/sys/kern/subr_asan.c
	@@ -155,6 +155,8 @@
	return "MallocRedZone";
	case KASAN_KMEM_REDZONE:
	return "KmemRedZone";
	+ case KASAN_UMA_NEVERUSED:
	+ return "UMANeverAllocated";
	case KASAN_UMA_FREED:
	return "UMAUseAfterFree";
	case KASAN_KSTACK_FREED:
	diff --git a/sys/sys/asan.h b/sys/sys/asan.h
	--- a/sys/sys/asan.h
	+++ b/sys/sys/asan.h
	@@ -46,6 +46,7 @@
	#define KASAN_USE_AFTER_SCOPE 0xF8

	/* Our redzone values. */
	+#define KASAN_UMA_NEVERUSED 0xF9
	#define KASAN_GENERIC_REDZONE 0xFA
	#define KASAN_MALLOC_REDZONE 0xFB
	#define KASAN_KMEM_REDZONE 0xFC
	diff --git a/sys/vm/uma_core.c b/sys/vm/uma_core.c
	--- a/sys/vm/uma_core.c
	+++ b/sys/vm/uma_core.c
	@@ -606,7 +606,7 @@
	sz = keg->uk_ppera * PAGE_SIZE;
	else
	sz = keg->uk_pgoff;
	- kasan_mark(mem, 0, sz, KASAN_UMA_FREED);
	+ kasan_mark(mem, 0, sz, KASAN_UMA_NEVERUSED);
	}
	}
	#else /* !KASAN */