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

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Message-ID: <000000000000b763f505fd60db7a@google.com>
Date:   Mon, 05 Jun 2023 05:15:28 -0700
From:   syzbot <syzbot+a3c8e9ac9f9d77240afd@...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_ioctl

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=11bdb895280000
start commit:   9561de3a55be Linux 6.4-rc5
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=13bdb895280000
console output: https://syzkaller.appspot.com/x/log.txt?x=15bdb895280000
kernel config:  https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4
dashboard link: https://syzkaller.appspot.com/bug?extid=a3c8e9ac9f9d77240afd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14ff6e93280000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11824101280000

Reported-by: syzbot+a3c8e9ac9f9d77240afd@...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