Re: [PATCH v3 03/46] kasan: common: adapt to the new prototype of __stack_depot_save()

[Marco Elver]

On Tue, Apr 26, 2022 at 06:42PM +0200, Alexander Potapenko wrote:
> Pass extra_bits=0, as KASAN does not intend to store additional
> information in the stack handle. No functional change.
> 
> Signed-off-by: Alexander Potapenko <glider@xxxxxxxxxx>

I think this patch needs to be folded into the previous one, otherwise
bisection will be broken.

> ---
> Link: https://linux-review.googlesource.com/id/I932d8f4f11a41b7483e0d57078744cc94697607a
> ---
>  mm/kasan/common.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/kasan/common.c b/mm/kasan/common.c
> index d9079ec11f313..5d244746ac4fe 100644
> --- a/mm/kasan/common.c
> +++ b/mm/kasan/common.c
> @@ -36,7 +36,7 @@ depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc)
>  	unsigned int nr_entries;
>  
>  	nr_entries = stack_trace_save(entries, ARRAY_SIZE(entries), 0);
> -	return __stack_depot_save(entries, nr_entries, flags, can_alloc);
> +	return __stack_depot_save(entries, nr_entries, 0, flags, can_alloc);
>  }
>  
>  void kasan_set_track(struct kasan_track *track, gfp_t flags)
> -- 
> 2.36.0.rc2.479.g8af0fa9b8e-goog
>