Re: [PATCH v2 1/1] mm: fix vma->anon_name memory leak for anonymous shmem VMAs
From: Andrew Morton
Date: Wed Jan 04 2023 - 20:39:12 EST
On Wed, 4 Jan 2023 16:02:40 -0800 Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote:
> free_anon_vma_name() is missing a check for anonymous shmem VMA which
> leads to a memory leak due to refcount not being dropped. Fix this by
> calling anon_vma_name_put() unconditionally. It will free vma->anon_name
> whenever it's non-NULL.
>
> Fixes: d09e8ca6cb93 ("mm: anonymous shared memory naming")
A cc:stable is appropriate here, yes?