Re: [PATCH] efi: Fix stack protector issues

2024-01-03 Thread Glenn Washburn
On Wed, 3 Jan 2024 16:36:57 +0100 Ard Biesheuvel wrote: > On Mon, 1 Jan 2024 at 03:52, Glenn Washburn > wrote: > > > > On Sun, 31 Dec 2023 11:56:18 +0100 > > Ard Biesheuvel wrote: > > > > > Hi Glenn, > > > > > > On Thu, 28 Dec 2023 at 03:26, Glenn Washburn > > > wrote: > > > > > > > > On Sat,

Re: [PATCH] efi: Fix stack protector issues

2024-01-03 Thread Ard Biesheuvel
On Mon, 1 Jan 2024 at 03:52, Glenn Washburn wrote: > > On Sun, 31 Dec 2023 11:56:18 +0100 > Ard Biesheuvel wrote: > > > Hi Glenn, > > > > On Thu, 28 Dec 2023 at 03:26, Glenn Washburn > > wrote: > > > > > > On Sat, 23 Dec 2023 12:45:35 +0100 > > > Ard Biesheuvel via Grub-devel wrote: > > > > > >

Re: [PATCH] efi: Fix stack protector issues

2023-12-31 Thread Glenn Washburn
On Sun, 31 Dec 2023 11:56:18 +0100 Ard Biesheuvel wrote: > Hi Glenn, > > On Thu, 28 Dec 2023 at 03:26, Glenn Washburn > wrote: > > > > On Sat, 23 Dec 2023 12:45:35 +0100 > > Ard Biesheuvel via Grub-devel wrote: > > > > > From: Ard Biesheuvel > > > > > > The 'ground truth' stack protector cook

Re: [PATCH] efi: Fix stack protector issues

2023-12-31 Thread Ard Biesheuvel
Hi Glenn, On Thu, 28 Dec 2023 at 03:26, Glenn Washburn wrote: > > On Sat, 23 Dec 2023 12:45:35 +0100 > Ard Biesheuvel via Grub-devel wrote: > > > From: Ard Biesheuvel > > > > The 'ground truth' stack protector cookie value is kept in a global > > variable, and loaded in every function prologue

Re: [PATCH] efi: Fix stack protector issues

2023-12-27 Thread Glenn Washburn
On Sat, 23 Dec 2023 12:45:35 +0100 Ard Biesheuvel via Grub-devel wrote: > From: Ard Biesheuvel > > The 'ground truth' stack protector cookie value is kept in a global > variable, and loaded in every function prologue and epilogue to store > it into resp. compare it with the stack slot holding t