------------[ 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: 0 PID: 5302 at kernel/locking/lockdep.c:935 look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 5302 Comm: syz-executor422 Not tainted 6.8.0-rc4-syzkaller-00395-gf2667e0c3240 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Code: 01 0f 85 80 00 00 00 c6 05 92 65 09 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 80 d6 aa 8b e8 c5 c2 f0 f5 90 <0f> 0b 90 90 eb 57 90 e8 78 90 35 f9 48 c7 c7 c0 d5 aa 8b 89 de e8
RSP: 0018:ffffc9000491f3f0 EFLAGS: 00010046
RAX: ed48a97d6781d800 RBX: ffffffff929c0c28 RCX: ffff88802b515940
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000491f500 R08: ffffffff81577992 R09: 1ffff110172851a2
R10: dffffc0000000000 R11: ffffed10172851a3 R12: ffff88807bac9688
R13: ffff88807bac9688 R14: ffff88807bac9688 R15: ffffffff945b29a1
FS:  00007f02a5b4c6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcfc6779f0 CR3: 00000000230f4000 CR4: 0000000000350ef0
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+0xfe/0x170 fs/ioctl.c:857
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f02a5b8fc59
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f02a5b4c218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f02a5c17708 RCX: 00007f02a5b8fc59
RDX: 00000000200000c0 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 00007f02a5c17700 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02a5be4568
R13: b635773f06ebbeee R14: 0079616c7265766f R15: 69662f7375622f2e
 </TASK>