Re: [PATCH v7 1/7] optee: ffa: Add NULL check in optee_ffa_lend_protmem

From: Jens Wiklander

Date: Mon Jun 29 2026 - 04:54:29 EST


Hi,

On Wed, Jun 17, 2026 at 4:51 PM Sebastian Ene <sebastianene@xxxxxxxxxx> wrote:
>
> From: Mostafa Saleh <smostafa@xxxxxxxxxx>
>
> From: Mostafa Saleh <smostafa@xxxxxxxxxx>
>
> Sashiko (locally) reports a possible null dereference under memory
> pressure due to the lack of validation of the allocated pointer.
>
> Fix that by adding the missing check.
>
> Fixes: 2b78d79cdf96 ("optee: FF-A: dynamic protected memory allocation")
> Signed-off-by: Mostafa Saleh <smostafa@xxxxxxxxxx>
> Signed-off-by: Sebastian Ene <sebastianene@xxxxxxxxxx>
> Reviewed-by: Sumit Garg <sumit.garg@xxxxxxxxxxxxxxxx>
> ---
> drivers/tee/optee/ffa_abi.c | 3 +++
> 1 file changed, 3 insertions(+)

I'm picking up this isolated patch from the patchset.

Cheers,
Jens