Messages in this thread | | | From | Andrey Konovalov <> | Date | Sun, 3 Oct 2021 19:44:48 +0200 | Subject | Re: [PATCH] kasan: fix Kconfig check of CC_HAS_WORKING_NOSANITIZE_ADDRESS |
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On Fri, Sep 10, 2021 at 10:42 AM Marco Elver <elver@google.com> wrote: > > In the main KASAN config option CC_HAS_WORKING_NOSANITIZE_ADDRESS is > checked for instrumentation-based modes. However, if > HAVE_ARCH_KASAN_HW_TAGS is true all modes may still be selected. > > To fix, also make the software modes depend on > CC_HAS_WORKING_NOSANITIZE_ADDRESS. > > Fixes: 6a63a63ff1ac ("kasan: introduce CONFIG_KASAN_HW_TAGS") > Signed-off-by: Marco Elver <elver@google.com> > --- > lib/Kconfig.kasan | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan > index 1e2d10f86011..cdc842d090db 100644 > --- a/lib/Kconfig.kasan > +++ b/lib/Kconfig.kasan > @@ -66,6 +66,7 @@ choice > config KASAN_GENERIC > bool "Generic mode" > depends on HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC > + depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS > select SLUB_DEBUG if SLUB > select CONSTRUCTORS > help > @@ -86,6 +87,7 @@ 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 CC_HAS_WORKING_NOSANITIZE_ADDRESS > select SLUB_DEBUG if SLUB > select CONSTRUCTORS > help > -- > 2.33.0.309.g3052b89438-goog >
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>
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