Re: [PATCH 0/4] CRASH_ZEROIZE: Wipe secrets before kdump

From: Dave Young

Date: Mon Aug 03 2026 - 08:03:55 EST


On 8/3/26 5:59 PM, David Howells wrote:
> Dave Young <ruirui.yang@xxxxxxxxx> wrote:
>
>> Cleaning up secret data can be done with makedumpfile + eppic scripts (see
>> the manual of makedumpfile), or it is even possible to do so in kdump kernel
>> with Tao Liu's improvments for makedumpfile previously (I don't know the
>> status, probably dropped for the time being, but it is possible, cced him).
>
> Does this represent a leak of the secrets? Also do governmental
> standardisation bodies have opinions on what constitutes a leak?

It depends, for the crash case I'm not against to clear sensitive data, the
concern is to avoid extra complexity of logic pre-kdump. Which
government? Sorry I can not answer here.

>
> David
>