Gaurav Aggarwal 331362d45a Restrict unpriv task to invoke code with privilege ...

It was possible for an unprivileged task to invoke any function with
privilege by passing it as a parameter to MPU_xTaskCreate,
MPU_xTaskCreateStatic, MPU_xTimerCreate, MPU_xTimerCreateStatic, or
MPU_xTimerPendFunctionCall.

This commit ensures that MPU_xTaskCreate and MPU_xTaskCreateStatic can
only create unprivileged tasks. It also removes the following APIs:
1. MPU_xTimerCreate
2. MPU_xTimerCreateStatic
3. MPU_xTimerPendFunctionCall

We thank Huazhong University of Science and Technology for reporting
this issue.

Signed-off-by: Gaurav Aggarwal <aggarg@amazon.com>

2022-09-17 00:03:08 +05:30

..

mpu_wrappers.c

Restrict unpriv task to invoke code with privilege

2022-09-17 00:03:08 +05:30