Messages in this thread | | | Date | Thu, 5 Jan 2023 10:04:14 +0100 | Subject | Re: [PATCH v2 1/1] mm: fix vma->anon_name memory leak for anonymous shmem VMAs | From | David Hildenbrand <> |
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On 05.01.23 01:02, Suren Baghdasaryan 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") > Signed-off-by: Suren Baghdasaryan <surenb@google.com> > Suggested-by: David Hildenbrand <david@redhat.com> > Reported-by: syzbot+91edf9178386a07d06a7@syzkaller.appspotmail.com > Cc: David Hildenbrand <david@redhat.com> > Cc: Hugh Dickins <hughd@google.com> > Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
-- Thanks,
David / dhildenb
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