[PATCH 06/26] dma-buf: system_heap: use array_size
John Stultz
jstultz at google.com
Fri Jun 23 21:42:57 UTC 2023
On Fri, Jun 23, 2023 at 2:15 PM Julia Lawall <Julia.Lawall at inria.fr> wrote:
>
> Use array_size to protect against multiplication overflows.
>
> The changes were done using the following Coccinelle semantic patch:
>
> // <smpl>
> @@
> size_t e1,e2;
> expression COUNT;
> identifier alloc = {vmalloc,vzalloc,kvmalloc,kvzalloc};
> @@
>
> (
> alloc(
> - (e1) * (e2)
> + array_size(e1, e2)
> ,...)
> |
> alloc(
> - (e1) * (COUNT)
> + array_size(COUNT, e1)
> ,...)
> )
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall at inria.fr>
Thanks for sending this out!
Acked-by: John Stultz <jstultz at google.com>
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