linux-kernel - Re: BUG: unable to handle kernel NULL pointer dereference in generic_perform

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Message-ID: <20200610220710.GL1347934@mit.edu>
Date:   Wed, 10 Jun 2020 18:07:10 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     syzbot <syzbot+bca9799bf129256190da@...kaller.appspotmail.com>
Cc:     adilger.kernel@...ger.ca, akpm@...ux-foundation.org,
        dan.j.williams@...el.com, jack@...e.cz, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: BUG: unable to handle kernel NULL pointer dereference in
 generic_perform_write (2)

#syz test: https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git 5749fe5af3db176659978718ddaecebb450cdb6b