Le 15/10/2021 à 23:35, Kees Cook a écrit :
On Thu, Oct 14, 2021 at 07:50:02AM +0200, Christophe Leroy wrote:
Add WRITE_OPD to check that you can't modify function
descriptors.
Gives the following result when function descriptors are
not protected:
lkdtm: Performing direct entry WRIT
On Thu, Oct 14, 2021 at 07:50:02AM +0200, Christophe Leroy wrote:
> Add WRITE_OPD to check that you can't modify function
> descriptors.
>
> Gives the following result when function descriptors are
> not protected:
>
> lkdtm: Performing direct entry WRITE_OPD
> lkdtm: attempting bad 1
Add WRITE_OPD to check that you can't modify function
descriptors.
Gives the following result when function descriptors are
not protected:
lkdtm: Performing direct entry WRITE_OPD
lkdtm: attempting bad 16 bytes write at c269b358
lkdtm: FAIL: survived bad write