> Clang 15 provides an option to prefix memcpy/memset/memmove calls with > __asan_/__hwasan_ in instrumented functions: https://reviews.llvm.org/D122724 > GCC will add support in future: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108777 > Use it to regain KASAN instrumentation of memcpy/memset/memmove on > architectures that require noinstr to be really free from instrumented > mem*() functions (all GENERIC_ENTRY architectures). > Fixes: 69d4c0d32186 ("entry, kasan, x86: Disallow overriding mem*() functions") > Signed-off-by: Marco Elver <elver@xxxxxxxxxx> > Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx> Tested-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> Tested-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx> Tested Kunit tests with clang-15, clang-16 and gcc-12 the reported issues got fixed. ref: https://lkft.validation.linaro.org/scheduler/job/6172341#L618 https://lkft.validation.linaro.org/scheduler/job/6172351#L618 https://lkft.validation.linaro.org/scheduler/job/6172338#L618 https://lore.kernel.org/all/CA+G9fYvZqytp3gMnC4-no9EB=Jnzqmu44i8JQo6apiZat-xxPg@xxxxxxxxxxxxxx/ -- Linaro LKFT https://lkft.linaro.org
