From: Thomas Gleixner <tglx@linutronix.de>
To: "Thomas Bogendoerfer" <tsbogend@alpha.franken.de>,
"Thomas Weißschuh" <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
Date: Thu, 20 Nov 2025 16:05:58 +0100 [thread overview]
Message-ID: <87qztskall.ffs@tglx> (raw)
In-Reply-To: <20251120121030.28524-1-tsbogend@alpha.franken.de>
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>
next prev parent reply other threads:[~2025-11-20 15:06 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-20 12:10 [PATCH v2] MIPS: kernel: Fix random segmentation faults Thomas Bogendoerfer
2025-11-20 12:19 ` Thomas Weißschuh
2025-11-20 12:32 ` Huacai Chen
2025-11-20 15:05 ` Thomas Gleixner [this message]
2025-11-21 12:25 ` Thomas Bogendoerfer
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