linux-kernel - Re: general protection fault in utf8

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Message-ID: <000000000000bb48fb05b133ddf5@google.com>
Date:   Thu, 08 Oct 2020 19:40:04 -0700
From:   syzbot <syzbot+05139c4039d0679e19ff@...kaller.appspotmail.com>
To:     Su.Chung@....com, alexander.deucher@....com, chao@...nel.org,
        drosen@...gle.com, ebiggers@...nel.org, jaegeuk@...nel.org,
        jun.lei@....com, krisman@...labora.com,
        linux-f2fs-devel@...ts.sourceforge.net,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        su.chung@....com, sunpeng.li@....com,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk,
        yuchao0@...wei.com
Subject: Re: general protection fault in utf8_casefold

syzbot has bisected this issue to:

commit 91db9311945f01901ddb9813ce11364de214a156
Author: Su Sung Chung <Su.Chung@....com>
Date:   Mon Jul 8 15:31:39 2019 +0000

    drm/amd/display: refactor gpio to allocate hw_container in constructor

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1012ee8b900000
start commit:   c85fb28b Merge tag 'arm64-fixes' of git://git.kernel.org/p..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1212ee8b900000
console output: https://syzkaller.appspot.com/x/log.txt?x=1412ee8b900000
kernel config:  https://syzkaller.appspot.com/x/.config?x=de7f697da23057c7
dashboard link: https://syzkaller.appspot.com/bug?extid=05139c4039d0679e19ff
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=12316e00500000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16e80420500000

Reported-by: syzbot+05139c4039d0679e19ff@...kaller.appspotmail.com
Fixes: 91db9311945f ("drm/amd/display: refactor gpio to allocate hw_container in constructor")

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