linux-kernel - Re: [PATCH v3] MIPS: Fix MAX_REG

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Message-ID: <alpine.DEB.2.21.2504280233460.31828@angie.orcam.me.uk>
Date: Mon, 28 Apr 2025 02:35:05 +0100 (BST)
From: "Maciej W. Rozycki" <macro@...am.me.uk>
To: Thorsten Blum <thorsten.blum@...ux.dev>
cc: Oleg Nesterov <oleg@...hat.com>, 
    Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
    linux-mips@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] MIPS: Fix MAX_REG_OFFSET

On Sun, 27 Apr 2025, Thorsten Blum wrote:

> Fix MAX_REG_OFFSET to point to the last register in 'pt_regs' and not to
> the marker itself, which could allow regs_get_register() to return an
> invalid offset.
> 
> Fixes: 40e084a506eb ("MIPS: Add uprobes support.")
> Signed-off-by: Thorsten Blum <thorsten.blum@...ux.dev>
> ---
> Compile-tested only.
> 
> Changes in v2:
> - Fix MAX_REG_OFFSET as suggested by Maciej (thanks!)

 You're welcome; please add a `Suggested-by' tag accordingly.

  Maciej