Re: [PATCHv7 0/3] Kernel Live Patching

From: Balbir Singh
Date: Tue Dec 16 2014 - 22:42:17 EST


On Wed, Dec 17, 2014 at 12:35 AM, Seth Jennings <sjenning@xxxxxxxxxx> wrote:
> On Tue, Dec 16, 2014 at 11:45:12PM +0530, Balbir Singh wrote:
>> On Tue, Dec 16, 2014 at 11:28 PM, Seth Jennings <sjenning@xxxxxxxxxx> wrote:
>> >
>> > Changelog:
>> >
>> > Thanks for all the feedback!
>> >
>>
>> Could you describe what this does to signing? I presume the patched
>> module should cause a taint on module signing?
>
> The patch module can be signed to avoid the taint of being unsigned,
> assuming you have the signing key for the kernel you are running.
> However we do taint with a new taint flag (see 1/3) to indicate
> that the kernel has been patched.
>

I see, so the assumption is that the module and patch would be signed
with the same key?

Thanks,
Balbir Singh.
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