Re: [syzbot] [ext4?] WARNING: locking bug in __ext4_ioctl

From: syzbot
Date: Fri Jul 14 2023 - 10:07:45 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=121e2492a80000
start commit: a901a3568fd2 Merge tag 'iomap-6.5-merge-1' of git://git.ke..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=111e2492a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=161e2492a80000
kernel config: https://syzkaller.appspot.com/x/.config?x=12d3428a307a1111
dashboard link: https://syzkaller.appspot.com/bug?extid=a537ff48a9cb940d314c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1489ffb8a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=145c302ca80000

Reported-by: syzbot+a537ff48a9cb940d314c@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