linux-kernel - Re: [syzbot] [vfs?] [ntfs3?] [tmpfs?] WARNING in walk

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Date:   Fri, 20 Jan 2023 12:43:26 -0800
From:   syzbot <syzbot+eba014ac93ef29f83dc8@...kaller.appspotmail.com>
To:     akpm@...ux-foundation.org,
        almaz.alexandrovich@...agon-software.com, hughd@...gle.com,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, ntfs3@...ts.linux.dev,
        syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk
Subject: Re: [syzbot] [vfs?] [ntfs3?] [tmpfs?] WARNING in walk_component

syzbot has bisected this issue to:

commit 6e5be40d32fb1907285277c02e74493ed43d77fe
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Fri Aug 13 14:21:30 2021 +0000

    fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=156b1c56480000
start commit:   1f5abbd77e2c Merge tag 'thermal-6.2-rc3' of git://git.kern..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=176b1c56480000
console output: https://syzkaller.appspot.com/x/log.txt?x=136b1c56480000
kernel config:  https://syzkaller.appspot.com/x/.config?x=46221e8203c7aca6
dashboard link: https://syzkaller.appspot.com/bug?extid=eba014ac93ef29f83dc8
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17f5d83a480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1727f4b4480000

Reported-by: syzbot+eba014ac93ef29f83dc8@...kaller.appspotmail.com
Fixes: 6e5be40d32fb ("fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile")

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