Re: [PATCH v1] perf test x86: Fix missing __msan_unpoison
From: Arnaldo Carvalho de Melo
Date: Thu Sep 10 2026 - 10:38:43 EST
On Wed, Sep 09, 2026 at 03:20:48PM -0700, Ian Rogers wrote:
> __msan_unpoison may need the sanitizer header including for its
> definition.
Thanks, applied to perf-tools-next, for v7.4.
- Arnaldo
> Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
> ---
> tools/perf/arch/x86/tests/dwarf-unwind.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/tools/perf/arch/x86/tests/dwarf-unwind.c b/tools/perf/arch/x86/tests/dwarf-unwind.c
> index 99d2b7ed016f..3c66dadcab75 100644
> --- a/tools/perf/arch/x86/tests/dwarf-unwind.c
> +++ b/tools/perf/arch/x86/tests/dwarf-unwind.c
> @@ -8,6 +8,10 @@
> #include "debug.h"
> #include "tests/tests.h"
>
> +#if defined(MEMORY_SANITIZER) && !defined(__msan_unpoison)
> +# include <sanitizer/msan_interface.h>
> +#endif
> +
> #define STACK_SIZE 8192
>
> static int sample_ustack(struct perf_sample *sample,
> --
> 2.55.0.1003.g10538fe699-goog