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SubjectRe: [RFC patch 13/41] mm/kasan: Remove the ULONG_MAX stack trace hackery
On Wed, Apr 10, 2019 at 1:05 PM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> No architecture terminates the stack trace with ULONG_MAX anymore. Remove
> the cruft.
>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
> Cc: Alexander Potapenko <glider@google.com>
> Cc: kasan-dev@googlegroups.com
> Cc: Dmitry Vyukov <dvyukov@google.com>
> Cc: linux-mm@kvack.org
> ---
> mm/kasan/common.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> --- a/mm/kasan/common.c
> +++ b/mm/kasan/common.c
> @@ -74,9 +74,6 @@ static inline depot_stack_handle_t save_
>
> save_stack_trace(&trace);
> filter_irq_stacks(&trace);
> - if (trace.nr_entries != 0 &&
> - trace.entries[trace.nr_entries-1] == ULONG_MAX)
> - trace.nr_entries--;
>
> return depot_save_stack(&trace, flags);
> }


Acked-by: Dmitry Vyukov <dvyukov@google.com>

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