Re: [PATCH] platform/chrome: cros_ec_typec: zero out stale pointers

[Prashant Malani]

Hi Victor,

On Tue, Dec 6, 2022 at 8:02 PM Victor Ding <victording@xxxxxxxxxxxx> wrote:
>
> `cros_typec_get_switch_handles` allocates several pointers when
> obtaining four handles. These pointers are all freed if failing to
> obtain any of the four handles; therefore, pointers in `port` becomes
> stale. The stale pointers eventually cause use-after-free or double in
> later code paths.
>
> This patch proposes
Please use the imperative form [1]

> to elimite these stale pointers by zeroing them out

s/elimite/eliminate

> right after they are freed.
>
> Signed-off-by: Victor Ding <victording@xxxxxxxxxxxx>
This should have a "Fixes" tag.

Best regards,

-Prashant

[1] https://www.kernel.org/doc/html/latest/process/submitting-patches.html#describe-your-changes