linux-ext4 - Bug report: BUG() in ext4_es_find_delayed_extent_range() when operating a corrupted image

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Date:   Sun, 22 Jul 2018 19:53:09 +0000
From:   "Xu, Wen" <wen.xu@...ech.edu>
To:     "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>
CC:     "Theodore Y. Ts'o" <tytso@....edu>
Subject: Bug report: BUG() in ext4_es_find_delayed_extent_range() when
 operating a corrupted image

Hi,

A new bug found by fuzzing in ext4-dev. Please the details at https://bugzilla.kernel.org/show_bug.cgi?id=200623

Thanks,
Wen

> On Jul 15, 2018, at 10:02 AM, Xu, Wen <wen.xu@...ech.edu> wrote:
> 
> Hi Ted,
> 
> It seems that this issue
> https://bugzilla.kernel.org/show_bug.cgi?id=200401
> Is not checked so far...
> 
> Thanks,
> Wen