Re: [PATCH] [RFC] mmc: tmio: Protect the asynchronous usage of mrq by a lock

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To: Dirk Behme <dirk.behme@xxxxxxxxxxxx>
Subject: Re: [PATCH] [RFC] mmc: tmio: Protect the asynchronous usage of mrq by a lock
From: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 20 Feb 2024 10:34:42 +0100
Cc: Linux-Renesas <linux-renesas-soc@xxxxxxxxxxxxxxx>
In-reply-to: <20240220061356.3001761-1-dirk.behme@de.bosch.com>
Mail-followup-to: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>, Dirk Behme <dirk.behme@xxxxxxxxxxxx>, Linux-Renesas <linux-renesas-soc@xxxxxxxxxxxxxxx>
References: <20240220061356.3001761-1-dirk.behme@de.bosch.com>

> BUG: KASAN: stack-out-of-bounds in mmc_request_done+0xcc/0x30c
> Read of size 1 at addr ffff8005df517738 by task kworker/4:1/2308

Do you have a reproducer for this report? I.e. can you say that this
patch fixes the issue?

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References:
- [PATCH] [RFC] mmc: tmio: Protect the asynchronous usage of mrq by a lock
  - From: Dirk Behme

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