linux-kernel - Re: [syzbot] [ext4?] WARNING: locking bug in ext4_move

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Message-ID: <000000000000552b56060037a019@google.com>
Date:   Tue, 11 Jul 2023 08:19:33 -0700
From:   syzbot <syzbot+7f4a6f7f7051474e40ad@...kaller.appspotmail.com>
To:     adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com, tytso@....edu
Subject: Re: [syzbot] [ext4?] WARNING: locking bug in ext4_move_extents

syzbot has bisected this issue to:

commit aff3bea95388299eec63440389b4545c8041b357
Author: Theodore Ts'o <tytso@....edu>
Date:   Wed May 24 03:49:51 2023 +0000

    ext4: add lockdep annotations for i_data_sem for ea_inode's

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14abf682a80000
start commit:   3f01e9fed845 Merge tag 'linux-watchdog-6.5-rc2' of git://w..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16abf682a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=12abf682a80000
kernel config:  https://syzkaller.appspot.com/x/.config?x=150188feee7071a7
dashboard link: https://syzkaller.appspot.com/bug?extid=7f4a6f7f7051474e40ad
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11d8f2b0a80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1061e6b0a80000

Reported-by: syzbot+7f4a6f7f7051474e40ad@...kaller.appspotmail.com
Fixes: aff3bea95388 ("ext4: add lockdep annotations for i_data_sem for ea_inode's")

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