------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.799, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 0 PID: 13446 at kernel/locking/lockdep.c:935 look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 13446 Comm: syz.4.1621 Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Code: 01 0f 85 80 00 00 00 c6 05 30 7d 19 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 20 dc ca 8b e8 b5 38 db f5 90 <0f> 0b 90 90 eb 57 90 e8 d8 a1 25 f9 48 c7 c7 60 db ca 8b 89 de e8
RSP: 0018:ffffc900015f73f0 EFLAGS: 00010046
RAX: b89c08dad1bf1b00 RBX: ffffffff92cecf08 RCX: 0000000000040000
RDX: ffffc9000d462000 RSI: 0000000000002d81 RDI: 0000000000002d82
RBP: ffffc900015f7500 R08: ffffffff81585742 R09: 1ffff1101728519a
R10: dffffc0000000000 R11: ffffed101728519b R12: ffff88805f0a1688
R13: ffff88805f0a1688 R14: ffff88805f0a1688 R15: ffffffff9489a3e1
FS:  00007f0985f516c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020055000 CR3: 000000005f94c000 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+0xda/0x1fd0 kernel/locking/lockdep.c:5014
 lock_acquire+0x1ed/0x550 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:611
 __ext4_ioctl fs/ext4/ioctl.c:1370 [inline]
 ext4_ioctl+0x34bd/0x55a0 fs/ext4/ioctl.c:1626
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0985175ae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0985f51048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0985304140 RCX: 00007f0985175ae9
RDX: 0000000020000240 RSI: 00000000c028660f RDI: 0000000000000009
RBP: 00007f09851f6746 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f0985304140 R15: 00007ffe8dbb3e98
 </TASK>