On Fri, Jun 5, 2026 at 2:01 PM Sebastian Ene sebastianene@google.com wrote:
On Tue, May 26, 2026 at 03:19:29PM +0000, Mostafa Saleh wrote:
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.
Signed-off-by: Mostafa Saleh smostafa@google.com
drivers/tee/optee/ffa_abi.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/tee/optee/ffa_abi.c b/drivers/tee/optee/ffa_abi.c index b4372fa268d0..633715b98625 100644 --- a/drivers/tee/optee/ffa_abi.c +++ b/drivers/tee/optee/ffa_abi.c @@ -698,6 +698,9 @@ static int optee_ffa_lend_protmem(struct optee *optee, struct tee_shm *protmem, int rc;
mem_attr = kzalloc_objs(*mem_attr, ma_count);
if (!mem_attr)return -ENOMEM;for (n = 0; n < ma_count; n++) { mem_attr[n].receiver = mem_attrs[n] & U16_MAX; mem_attr[n].attrs = mem_attrs[n] >> 16;-- 2.54.0.746.g67dd491aae-goog
Thanks for fixing this and for including my other patches in the series Reviewed-by: Sebastian Ene sebastianene@google.com
Please add a Fixes: tag. This patch is independent of the others in the patch set, so if you send it alone with the Fixes: tag I'll pick it up.
Cheers, Jens