linux-kernel - Re: [syzbot] [reiserfs?] INFO: task hung in flush_old

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Date:   Wed, 24 May 2023 02:59:42 -0700
From:   syzbot <syzbot+0a684c061589dcc30e51@...kaller.appspotmail.com>
To:     linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        paul@...l-moore.com, reiserfs-devel@...r.kernel.org,
        roberto.sassu@...wei.com, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [reiserfs?] INFO: task hung in flush_old_commits

syzbot has bisected this issue to:

commit d82dcd9e21b77d338dc4875f3d4111f0db314a7c
Author: Roberto Sassu <roberto.sassu@...wei.com>
Date:   Fri Mar 31 12:32:18 2023 +0000

    reiserfs: Add security prefix to xattr name in reiserfs_security_write()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11c39639280000
start commit:   421ca22e3138 Merge tag 'nfs-for-6.4-2' of git://git.linux-..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13c39639280000
console output: https://syzkaller.appspot.com/x/log.txt?x=15c39639280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7d8067683055e3f5
dashboard link: https://syzkaller.appspot.com/bug?extid=0a684c061589dcc30e51
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14312791280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12da8605280000

Reported-by: syzbot+0a684c061589dcc30e51@...kaller.appspotmail.com
Fixes: d82dcd9e21b7 ("reiserfs: Add security prefix to xattr name in reiserfs_security_write()")

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