Re: [PATCH 01/18] lib/stackdepot: fix setting next_slab_inited in init_stack_slab

[Alexander Potapenko]

On Mon, Jan 30, 2023 at 9:49 PM <andrey.konovalov@xxxxxxxxx> wrote:
>
> From: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
>
> In commit 305e519ce48e ("lib/stackdepot.c: fix global out-of-bounds in
> stack_slabs"), init_stack_slab was changed to only use preallocated
> memory for the next slab if the slab number limit is not reached.
> However, setting next_slab_inited was not moved together with updating
> stack_slabs.
>
> Set next_slab_inited only if the preallocated memory was used for the
> next slab.
>
> Fixes: 305e519ce48e ("lib/stackdepot.c: fix global out-of-bounds in stack_slabs")
> Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>