linux-hardening - Re: [PATCH 5/7] sched: Add wrapper for get

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Message-ID: <YWgKh8JRYjDpU9zW@shell.armlinux.org.uk>
Date:   Thu, 14 Oct 2021 11:46:31 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     keescook@...omium.org, jannh@...gle.com,
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Subject: Re: [PATCH 5/7] sched: Add wrapper for get_wchan() to keep task
 blocked

On Fri, Oct 08, 2021 at 01:15:32PM +0200, Peter Zijlstra wrote:
> From: Kees Cook <keescook@...omium.org>
> 
> Having a stable wchan means the process must be blocked and for it to
> stay that way while performing stack unwinding.
> 
> Suggested-by: Peter Zijlstra <peterz@...radead.org>
> Signed-off-by: Kees Cook <keescook@...omium.org>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Acked-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk> [arm]

I will eventually get around to test this once I've caught up.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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