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From: Greg KH <gregkh@linuxfoundation.org>
To: Mingyu Wang <25181214217@stu.xidian.edu.cn>
Cc: arnd@arndb.de, kees@kernel.org, linux-kernel@vger.kernel.org,
	stable@vger.kernel.org
Subject: Re: [PATCH v8 2/2] misc: ibmasm: Fix dynamic out-of-bounds MMIO access via malicious MFA
Date: Fri, 31 Jul 2026 13:18:41 +0200	[thread overview]
Message-ID: <2026073113-defy-shortage-2005@gregkh> (raw)
In-Reply-To: <20260718073253.96741-3-25181214217@stu.xidian.edu.cn>

On Sat, Jul 18, 2026 at 03:32:53PM +0800, Mingyu Wang wrote:
> The ibmasm driver reads dynamic Message Frame Addresses (MFA) from
> hardware queues and uses them directly as offsets to dereference I2O
> messages via get_i2o_message().

Ah, this is I2O hardware.  Wow, I don't think that's even around
anymore, is it?  Do you have access to it to test this?

thanks,

greg k-h

  reply	other threads:[~2026-07-31 11:18 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-18  7:32 [PATCH v8 0/2] misc: ibmasm: Fix out-of-bounds MMIO accesses Mingyu Wang
2026-07-18  7:32 ` [PATCH v8 1/2] misc: ibmasm: Fix static out-of-bounds MMIO access during probe Mingyu Wang
2026-07-31 11:18   ` Greg KH
2026-07-31 13:57     ` Mingyu Wang
2026-07-31 14:17       ` Greg KH
2026-08-01  2:58         ` Mingyu Wang
2026-08-01  6:52           ` Greg KH
2026-08-01  7:07             ` [PATCH] misc: ibmasm: Remove obsolete IBM Remote Supervisor Adapter driver Mingyu Wang
2026-08-01  9:23               ` Arnd Bergmann
2026-07-18  7:32 ` [PATCH v8 2/2] misc: ibmasm: Fix dynamic out-of-bounds MMIO access via malicious MFA Mingyu Wang
2026-07-31 11:18   ` Greg KH [this message]
2026-07-31 13:58     ` Mingyu Wang

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