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From: Greg KH <gregkh@linuxfoundation.org>
To: Chen Ridong <chenridong@huaweicloud.com>
Cc: catalin.marinas@arm.com, will@kernel.org, ardb@kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	lujialin4@huawei.com, chenridong@huawei.com
Subject: Re: [PATCH stable 6.6.y] arm64: kaslr: fix nokaslr cmdline parsing
Date: Wed, 4 Jun 2025 14:38:19 +0200	[thread overview]
Message-ID: <2025060409-fidgeting-basil-abf7@gregkh> (raw)
In-Reply-To: <20250603125233.2707474-1-chenridong@huaweicloud.com>

On Tue, Jun 03, 2025 at 12:52:33PM +0000, Chen Ridong wrote:
> From: Chen Ridong <chenridong@huawei.com>
> 
> Currently, when the command line contains "nokaslrxxx", it was incorrectly
> treated as a request to disable KASLR virtual memory. However, the behavior
> is different from physical address handling.
> 
> This issue exists before the commit af73b9a2dd39 ("arm64: kaslr: Use
> feature override instead of parsing the cmdline again"). This patch fixes
> the parsing logic for the 'nokaslr' command line argument. Only the exact
> strings, 'nokaslr', will disable KASLR. Other inputs such as 'xxnokaslr',
> 'xxnokaslrxx', or 'xxnokaslr=xx' will not disable KASLR.
> 
> Fixes: f80fb3a3d508 ("arm64: add support for kernel ASLR")
> Cc: stable@vger.kernel.org # <= v6.6
> Signed-off-by: Chen Ridong <chenridong@huawei.com>
> ---
>  arch/arm64/kernel/pi/kaslr_early.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
> 

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>

      reply	other threads:[~2025-06-04 12:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-03 12:52 [PATCH stable 6.6.y] arm64: kaslr: fix nokaslr cmdline parsing Chen Ridong
2025-06-04 12:38 ` Greg KH [this message]

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