linux-kernel - Re: general protection fault in rb

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Date:   Tue, 2 Oct 2018 19:40:41 -0400
From:   "Theodore Y. Ts'o" <tytso@....edu>
To:     syzbot <syzbot+e81ccd4744c6c4f71354@...kaller.appspotmail.com>
Cc:     dmitry.kasatkin@...il.com, jlayton@...nel.org, jmorris@...ei.org,
        linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org, mjg59@...gle.com,
        serge@...lyn.com, sudeep.holla@....com,
        syzkaller-bugs@...glegroups.com, zohar@...ux.vnet.ibm.com
Subject: Re: general protection fault in rb_erase

On Tue, Sep 25, 2018 at 04:44:03PM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    846e8dd47c26 Merge tag 'scsi-fixes' of git://git.kernel.or..
> git tree:       upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=15c874a1400000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=dfb440e26f0a6f6f
> dashboard link: https://syzkaller.appspot.com/bug?extid=e81ccd4744c6c4f71354
> compiler:       gcc (GCC) 8.0.1 20180413 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15bddd2a400000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1293d3fa400000

Fixed with this patch:

	http://patchwork.ozlabs.org/patch/978083/