Messages in this thread | | | Date | Thu, 3 May 2018 12:01:33 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v5 4/6] x86/microcode/AMD: Check microcode container data in the late loader |
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On Wed, May 02, 2018 at 02:47:39AM +0200, Maciej S. Szmigiero wrote: > On 01.05.2018 22:03, Borislav Petkov wrote: > > On Tue, May 01, 2018 at 06:19:56PM +0200, Maciej S. Szmigiero wrote: > >> -EINVAL cast to unsigned int is 4294967274 and this value is also > >> a valid count of bytes to skip that this function can return. > > > > And where exactly in the *old* code do we do that? > > The old code returned this value as a signed int, but then any > "patch_size" value (which is u32) above INT_MAX read from a section header > wrapped around to a negative pseudo-error code (which likely didn't match > any actual error number).
Lemme repeat my question: *where* *exactly* in the old code do we do that?
Feel free to paste snippets to show what you mean.
-- Regards/Gruss, Boris.
Good mailing practices for 400: avoid top-posting and trim the reply.
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