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Date: Sun, 30 Oct 2022 02:57:10 -0700
From: Christoph Hellwig <hch@...radead.org>
To: Wei Chen <harperchen1110@...il.com>
Cc: tj@...nel.org, axboe@...nel.dk, cgroups@...r.kernel.org,
linux-block@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in
bio_associate_blkg_from_css
On Sun, Oct 30, 2022 at 05:39:59PM +0800, Wei Chen wrote:
> Dear Linux Developer,
>
> Recently when using our tool to fuzz kernel, the following crash was triggered:
This looks like jfs somehow not setting log->bdev before doing I/O.
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