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From: Thomas Gleixner <tglx@linutronix.de>
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To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>, Thomas =?utf-8?Q?Wei?=
 =?utf-8?Q?=C3=9Fschuh?=
 <thomas.weissschuh@linutronix.de>, Nam Cao <namcao@linutronix.de>,
 linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] MIPS: kernel: Fix random segmentation faults
In-Reply-To: <20251120121030.28524-1-tsbogend@alpha.franken.de>
References: <20251120121030.28524-1-tsbogend@alpha.franken.de>
Date: Thu, 20 Nov 2025 16:05:58 +0100
Message-ID: <87qztskall.ffs@tglx>
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On Thu, Nov 20 2025 at 13:10, Thomas Bogendoerfer wrote:
> Commit 69896119dc9d ("MIPS: vdso: Switch to generic storage
> implementation") switches to a generic vdso storage, which increases
> the number of data pages from 1 to 4. But there is only one page
> reserved, which causes segementation faults depending where the VDSO
> area is randomized to. To fix this use the same size of reservation
> and allocation of the VDSO data pages.
>
> Fixes: 69896119dc9d ("MIPS: vdso: Switch to generic storage implementation")
> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

I assume this goes through the MIPS tree to Linus.

Reviewed-by: Thomas Gleixner <tglx@linutronix.de>