[PATCH 19/35] kasan: don't allow SW_TAGS with ARM64_MTE

[Andrey Konovalov]

Software tag-based KASAN provides its own tag checking machinery that
can conflict with MTE. Don't allow enabling software tag-based KASAN
when MTE is enabled.

Signed-off-by: Andrey Konovalov <andreyknvl at google.com>
---
 lib/Kconfig.kasan | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index b4cf6c519d71..e500c18cbe79 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -69,6 +69,7 @@ config KASAN_GENERIC
 config KASAN_SW_TAGS
 	bool "Software tag-based mode"
 	depends on HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS
+	depends on !ARM64_MTE
 	help
 	  Enables software tag-based KASAN mode.
 
-- 
2.28.0.220.ged08abb693-goog