Re: [kernel-hardening] [PATCH v2 0/5] stackprotector: ascii armor the stack canary

From: Yann Droneaud
Date: Wed Sep 20 2017 - 07:49:27 EST


Le mardi 19 septembre 2017 Ã 19:16 +0200, Solar Designer a Ãcrit :
> We could put/require a NUL in the middle of the canary,
> but with the full canary being only 64-bit at most that would also
> make some attacks easier.

Are you suggesting to randomly select which byte to set to 0 in each
canary ?


Yann Droneaud