------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.785, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 1 PID: 5711 at kernel/locking/lockdep.c:935 look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 1 PID: 5711 Comm: syz-executor421 Not tainted 6.8.0-rc7-syzkaller-00142-g3aaa8ce7a335 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Code: 01 0f 85 80 00 00 00 c6 05 e8 96 10 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 00 d7 aa 8b e8 35 14 f9 f5 90 <0f> 0b 90 90 eb 57 90 e8 48 33 35 f9 48 c7 c7 40 d6 aa 8b 89 de e8
RSP: 0018:ffffc9000583f3f0 EFLAGS: 00010046
RAX: d5cc812d37052d00 RBX: ffffffff9298f590 RCX: ffff88802aa00000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000583f500 R08: ffffffff81577ac2 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: ffff88807fdaaa88
R13: ffff88807fdaaa88 R14: ffff88807fdaaa88 R15: ffffffff9457e941
FS:  0000555555894380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2f2ab98120 CR3: 00000000230a6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1284
 __lock_acquire+0xd9/0x1fd0 kernel/locking/lockdep.c:5014
 lock_acquire+0x1e3/0x530 kernel/locking/lockdep.c:5754
 down_write_nested+0x3d/0x50 kernel/locking/rwsem.c:1695
 ext4_move_extents+0x39d/0xec0 fs/ext4/move_extent.c:613
 __ext4_ioctl fs/ext4/ioctl.c:1371 [inline]
 ext4_ioctl+0x349a/0x5540 fs/ext4/ioctl.c:1627
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:857
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f2f2ab20559
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffede15eb08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f2f2ab20559
RDX: 00000000200000c0 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffede15eb40 R09: 00007ffede15eb40
R10: 00007ffede15eb40 R11: 0000000000000246 R12: 00007ffede15eb2c
R13: 000000000000003d R14: 431bde82d7b634db R15: 00007ffede15eb60
 </TASK>