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Date:   Fri, 19 Apr 2019 01:21:00 -0700
From:   syzbot <syzbot+b0775615fa4c4479b691@...kaller.appspotmail.com>
To:     -O-request@...r.kernel.org, acme@...nel.org, aisheng.dong@....com,
        alexander.shishkin@...ux.intel.com, andrew.hendry@...il.com,
        ast@...nel.org, bpf@...r.kernel.org, daniel@...earbox.net,
        davem@...emloft.net, dvlasenk@...hat.com, fabio.estevam@....com,
        gregkh@...uxfoundation.org, jolsa@...hat.com, kafai@...com,
        kernel@...gutronix.de, linux-kernel@...r.kernel.org,
        linux-x25@...r.kernel.org, mingo@...hat.com, ms@....tdt.de,
        mturquette@...libre.com, namhyung@...nel.org,
        netdev@...r.kernel.org, peterz@...radead.org, sboyd@...nel.org,
        shawnguo@...nel.org, songliubraving@...com,
        syzkaller-bugs@...glegroups.com, yhs@...com
Subject: Re: KASAN: use-after-free Read in refcount_sub_and_test_checked (2)

syzbot has bisected this bug to:

commit cd67d3272768aa3f44c0f7cc71b82a112dce01fa
Author: Aisheng Dong <aisheng.dong@....com>
Date:   Thu Jan 24 13:22:49 2019 +0000

     clk: imx: scu: add fallback compatible string support

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11f0432d200000
start commit:   6d906f99 Merge tag 'arm64-fixes' of git://git.kernel.org/p..
git tree:       upstream
final crash:    https://syzkaller.appspot.com/x/report.txt?x=13f0432d200000
console output: https://syzkaller.appspot.com/x/log.txt?x=15f0432d200000
kernel config:  https://syzkaller.appspot.com/x/.config?x=856fc6d0fbbeede9
dashboard link: https://syzkaller.appspot.com/bug?extid=b0775615fa4c4479b691
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15df396b200000

Reported-by: syzbot+b0775615fa4c4479b691@...kaller.appspotmail.com
Fixes: cd67d3272768 ("clk: imx: scu: add fallback compatible string  
support")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection

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