On Fri, 6 Jun 2014, Andrey Ryabinin wrote:

> While working address sanitizer for kernel I've discovered use-after-free
> bug in __put_anon_vma.
> For the last anon_vma, anon_vma->root freed before child anon_vma.
> Later in anon_vma_free(anon_vma) we are referencing to already freed 
> anon_vma->root
> to check rwsem.
> This patch puts freeing of child anon_vma before freeing of anon_vma->root.
> 
> Cc: <sta...@vger.kernel.org> # v3.0+
> Signed-off-by: Andrey Ryabinin <a.ryabi...@samsung.com>

Acked-by: David Rientjes <rient...@google.com>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to