Re: [PATCH v2 1/3] efi: Initialize canary to non-zero value

2023-12-18 Thread Glenn Washburn
On Wed, 13 Dec 2023 21:24:07 +0100 Daniel Kiper wrote: > On Mon, Dec 11, 2023 at 01:27:48PM -0600, Glenn Washburn wrote: > > The canary, __stack_chk_guard, is in the BSS and so will get initialized to > > zero if it is not explicitly initialized. If the UEFI firmware does not > > support the RNG

Re: [PATCH v2 1/3] efi: Initialize canary to non-zero value

2023-12-13 Thread Daniel Kiper
On Mon, Dec 11, 2023 at 01:27:48PM -0600, Glenn Washburn wrote: > The canary, __stack_chk_guard, is in the BSS and so will get initialized to > zero if it is not explicitly initialized. If the UEFI firmware does not > support the RNG protocol, then the canary will not be randomized and will > be ze