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Message-ID: <202406280938.2D7BB97C@keescook>
Date: Fri, 28 Jun 2024 09:42:06 -0700
From: Kees Cook <kees@...nel.org>
To: Jocelyn Falempe <jfalempe@...hat.com>
Cc: Michael Ellerman <mpe@...erman.id.au>,
Nicholas Piggin <npiggin@...il.com>,
Christophe Leroy <christophe.leroy@...roup.eu>,
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Subject: Re: [PATCH] printk: Add a short description string to kmsg_dump()
On Fri, Jun 28, 2024 at 09:13:11AM +0200, Jocelyn Falempe wrote:
> It is present in the kdump log, but before all the register dumps.
> So to retrieve it you need to parse the last 30~40 lines of logs, and search
> for a line starting with "Kernel panic - not syncing".
> https://elixir.bootlin.com/linux/v6.10-rc5/source/kernel/panic.c#L341
> But I think that's a bit messy, and I prefer having a kmsg_dump parameter.
Yeah, I totally agree: it should be easy to access the panic reason. I
just wanted to double-check that from pstore's perspective there wasn't
any "new" information here that should be captured somehow.
Thanks!
--
Kees Cook
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