[PATCH 19/35] kasan: don't allow SW_TAGS with ARM64_MTE
From: Andrey Konovalov <hidden>
Date: 2020-08-14 17:28:24
Also in:
linux-mm, lkml
Subsystem:
kasan, library code, the rest · Maintainers:
Andrey Ryabinin, Andrew Morton, Linus Torvalds
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 <redacted> --- 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
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