------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.789, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 1 PID: 5304 at kernel/locking/lockdep.c:935 look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 1 PID: 5304 Comm: syz-executor261 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #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 c7 86 fd 03 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 80 e2 aa 8b e8 55 80 e3 f5 90 <0f> 0b 90 90 eb 57 90 e8 d8 e4 2d f9 48 c7 c7 c0 e1 aa 8b 89 de e8
RSP: 0018:ffffc9000457f3f0 EFLAGS: 00010046
RAX: b0a9ac2ea9774e00 RBX: ffffffff92a1aa50 RCX: ffff88802acfbc00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000457f500 R08: ffffffff8157cc12 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: ffff888077a18288
R13: ffff888077a18288 R14: ffff888077a18288 R15: ffffffff9460bc01
FS:  00005555709cd380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe7a915000 CR3: 0000000017e96000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1284
 __lock_acquire+0xda/0x1fd0 kernel/locking/lockdep.c:5014
 lock_acquire+0x1e4/0x530 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:904 [inline]
 __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:890
 do_syscall_64+0xfd/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f4415647229
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:00007ffe7a9142d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4415647229
RDX: 0000000020000240 RSI: 00000000c028660f RDI: 0000000000000006
RBP: 0000000000000000 R08: 00007ffe7a914310 R09: 00007ffe7a914310
R10: 00007ffe7a914310 R11: 0000000000000246 R12: 00007ffe7a9142fc
R13: 000000000000004a R14: 431bde82d7b634db R15: 00007ffe7a914330
 </TASK>