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SubjectRe: KASAN: use-after-free Read in refcount_sub_and_test_checked (2)
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syzbot has bisected this bug to:

commit cd67d3272768aa3f44c0f7cc71b82a112dce01fa
Author: Aisheng Dong <aisheng.dong@nxp.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@syzkaller.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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