On Thu, 4 Feb 2016, Joonsoo Kim wrote:
> --- a/include/linux/slub_def.h
> +++ b/include/linux/slub_def.h
> @@ -77,6 +77,7 @@ struct kmem_cache {
> int refcount; /* Refcount for slab cache destroy */
> void (*ctor)(void *);
> int inuse; /* Offset to metadata */
> + int red_left_pad; /* Left redzone padding size */
> int align; /* Alignment */
> int reserved; /* Reserved bytes at the end of slabs */
This is debugging related so its not a priority field.Please add the field
after the non debugging fields.
>
> #include "internal.h"
>
> +#ifdef CONFIG_KASAN
> +#include "kasan/kasan.h"
> +#endif
> +
> /*
??
> @@ -4270,9 +4337,12 @@ static void process_slab(struct loc_track *t, struct kmem_cache *s,
> bitmap_zero(map, page->objects);
> get_map(s, page, map);
>
> - for_each_object(p, s, addr, page->objects)
> + for_each_object(p, s, addr, page->objects) {
> + void *object = fixup_red_left(s, p);
> +
Change for_each_object instead to give us the right pointer?
> if (!test_bit(slab_index(p, s, addr), map))
> - add_location(t, s, get_track(s, p, alloc));
> + add_location(t, s, get_track(s, object, alloc));
> + }
> }
>
> static int list_locations(struct kmem_cache *s, char *buf,
>
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