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SubjectRe: [PATCH 2/2] x86/unwind/orc: Fix address check size for deref_stack_iret_regs
On Tue, Apr 12, 2022 at 10:40:04AM +0300, Dmitry Monakhov wrote:
> For historical reasons we check only IRET_FRAME_OFFSET, but this check
> is no longer valid because we also access regs->sp field which is
> located beyond IRET_FRAME, so it is reasonable to validate full structure.

Uuuh, what? IRET frame is:

ss, sp, flags, cs, ip

that very much includes sp.

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