------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key __key.0, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 1 PID: 5254 at kernel/locking/lockdep.c:932 look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 1 PID: 5254 Comm: syz-executor279 Not tainted 6.8.0-rc4-syzkaller-00034-g8d3dea210042 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:932
Code: c7 c7 e0 c1 0c 8b e8 7c 4d 8c f6 90 0f 0b 90 90 90 31 db eb be c6 05 b4 8d c3 04 01 90 48 c7 c7 00 c5 0c 8b e8 5e 4d 8c f6 90 <0f> 0b 90 90 e9 62 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90008a97638 EFLAGS: 00010086
RAX: 0000000000000000 RBX: ffffffff93dac710 RCX: ffffffff81509959
RDX: ffff8880230fd940 RSI: ffffffff81509966 RDI: 0000000000000001
RBP: ffffffff947055e1 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88807a711688
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff9463b720
FS:  0000555556b69480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd03f0fd32c CR3: 000000005e66a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 register_lock_class+0xb1/0x1230 kernel/locking/lockdep.c:1284
 __lock_acquire+0x112/0x3b40 kernel/locking/lockdep.c:5014
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5719
 down_write_nested+0x3d/0x50 kernel/locking/rwsem.c:1695
 ext4_double_down_write_data_sem fs/ext4/move_extent.c:55 [inline]
 ext4_double_down_write_data_sem fs/ext4/move_extent.c:51 [inline]
 ext4_move_extents+0x402/0x3630 fs/ext4/move_extent.c:613
 __ext4_ioctl+0x3ab5/0x4570 fs/ext4/ioctl.c:1371
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x196/0x220 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd8/0x270 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fd03f131b29
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:00007fff248632d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd03f131b29
RDX: 00000000200000c0 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007fff2486330c R09: 00007fff2486330c
R10: 00007fff2486330c R11: 0000000000000246 R12: 00007fff2486330c
R13: 000000000000003a R14: 431bde82d7b634db R15: 00007fff24863340
 </TASK>