Re: [PATCH v4 01/10] x86/microcode/AMD: Subtract SECTION_HDR_SIZE from file leftover length
From: Maciej S. Szmigiero
Date: Wed Apr 18 2018 - 08:39:36 EST
On 18.03.2018 17:12, Borislav Petkov wrote:
> On Fri, Mar 16, 2018 at 12:07:42AM +0100, Maciej S. Szmigiero wrote:
>> verify_patch_size() function verifies whether the microcode container file
>> remaining size is large enough to contain a patch of the indicated size.
>>
>> However, the section header length is not included in this indicated size
>> but it is present in the leftover file length so it should be subtracted
>> from the leftover file length before passing this value to
>> verify_patch_size().
>>
>> Signed-off-by: Maciej S. Szmigiero <mail@xxxxxxxxxxxxxxxxxxxxx>
>> ---
>> arch/x86/kernel/cpu/microcode/amd.c | 11 ++++++++++-
>> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> I split the comment and applied this:
>
> ---
> From: "Maciej S. Szmigiero" <mail@xxxxxxxxxxxxxxxxxxxxx>
> Date: Fri, 16 Mar 2018 00:07:42 +0100
> Subject: [PATCH] x86/microcode/AMD: Subtract SECTION_HDR_SIZE from file
> leftover length
Can't really find this commit in any tree I have looked at (bp.git and
tip.git at kernel.org).
Was it pushed somewhere else?
Maciej