Messages in this thread Patch in this message | | | Date | Wed, 9 Dec 2020 19:24:15 +0100 | Subject | [PATCH mm 1/2] kasan: don't use read-only static keys | From | Andrey Konovalov <> |
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__ro_after_init static keys are incompatible with usage in loadable kernel modules and cause crashes. Don't use those, use normal static keys.
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
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This fix can be squashed into "kasan: add and integrate kasan boot parameters".
--- mm/kasan/hw_tags.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c index c91f2c06ecb5..55bd6f09c70f 100644 --- a/mm/kasan/hw_tags.c +++ b/mm/kasan/hw_tags.c @@ -43,11 +43,11 @@ static enum kasan_arg_stacktrace kasan_arg_stacktrace __ro_after_init; static enum kasan_arg_fault kasan_arg_fault __ro_after_init; /* Whether KASAN is enabled at all. */ -DEFINE_STATIC_KEY_FALSE_RO(kasan_flag_enabled); +DEFINE_STATIC_KEY_FALSE(kasan_flag_enabled); EXPORT_SYMBOL(kasan_flag_enabled); /* Whether to collect alloc/free stack traces. */ -DEFINE_STATIC_KEY_FALSE_RO(kasan_flag_stacktrace); +DEFINE_STATIC_KEY_FALSE(kasan_flag_stacktrace); /* Whether panic or disable tag checking on fault. */ bool kasan_flag_panic __ro_after_init; -- 2.29.2.576.ga3fc446d84-goog
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