Linux Btrfs filesystem development
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From: Josef Bacik <josef@toxicpanda.com>
To: Daniel Xu <dxu@dxuuu.xyz>, linux-btrfs@vger.kernel.org
Cc: kernel-team@fb.com, quwenruo.btrfs@gmx.com, Qu Wenruo <wqu@suse.com>
Subject: Re: [PATCH v2] btrfs: Fix divide by zero
Date: Wed, 14 Oct 2020 16:44:42 -0400	[thread overview]
Message-ID: <59853d19-2ead-9ac9-33ea-06f88218374d@toxicpanda.com> (raw)
In-Reply-To: <20201009010910.270794-1-dxu@dxuuu.xyz>

On 10/8/20 9:09 PM, Daniel Xu wrote:
> If there's no parity and num_stripes < ncopies, an btrfs image can
> trigger a divide by zero in calc_stripe_length().
> 
> The image (see link) was generated through fuzzing.
> 
> Reviewed-by: Qu Wenruo <wqu@suse.com>
> Link: https://bugzilla.kernel.org/show_bug.cgi?id=209587
> Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
>

Reviewed-by: Josef Bacik <josef@toxicpanda.com>

Thanks,

Josef

  parent reply	other threads:[~2020-10-14 20:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-09  1:09 [PATCH v2] btrfs: Fix divide by zero Daniel Xu
2020-10-14 20:26 ` Daniel Xu
2020-10-14 20:44 ` Josef Bacik [this message]
2020-10-16 14:33 ` David Sterba

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