Re: [syzbot] [ext4?] WARNING: locking bug in ext4_move_extents

From: syzbot
Date: Tue Jul 11 2023 - 11:19:44 EST


syzbot has bisected this issue to:

commit aff3bea95388299eec63440389b4545c8041b357
Author: Theodore Ts'o <tytso@xxxxxxx>
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@xxxxxxxxxxxxxxxxxxxxxxxxx
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