------------[ 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: 1 PID: 5438 at kernel/locking/lockdep.c:939 look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936
Modules linked in:
CPU: 1 UID: 0 PID: 5438 Comm: syz-executor611 Not tainted 6.12.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:look_up_lock_class+0xdc/0x170 kernel/locking/lockdep.c:936
Code: 01 0f 85 8a 00 00 00 c6 05 72 2c 41 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 20 eb 0a 8c e8 95 64 90 f5 90 <0f> 0b 90 90 eb 61 90 e8 18 fc f2 f8 e8 f3 9f af f5 48 c7 c7 60 ea
RSP: 0018:ffffc90003edf390 EFLAGS: 00010046
RAX: 2410ed992fe2f300 RBX: ffffffff93c8e160 RCX: ffff888028581e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003edf4a0 R08: ffffffff8155e402 R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88807a7fbdf8
R13: ffff88807a7fbdf8 R14: ffff88807a7fbdf8 R15: ffffffff9a5003a1
FS:  000055558efc1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f03d77fa100 CR3: 0000000025a10000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1290
 __lock_acquire+0xf0/0x2050 kernel/locking/lockdep.c:5077
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
 down_write_nested+0xa2/0x220 kernel/locking/rwsem.c:1693
 ext4_move_extents+0x34a/0xcb0 fs/ext4/move_extent.c:621
 __ext4_ioctl fs/ext4/ioctl.c:1370 [inline]
 ext4_ioctl+0x34b5/0x5590 fs/ext4/ioctl.c:1626
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfb/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: 0033:0x7f03d7782519
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:00007ffe5ddf6128 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f03d7782519
RDX: 0000000020000000 RSI: 00000000c028660f RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffe5ddf6160 R09: 00007ffe5ddf6160
R10: 00000000200003c0 R11: 0000000000000246 R12: 00007ffe5ddf614c
R13: 000000000000000c R14: 431bde82d7b634db R15: 00007ffe5ddf6180
 </TASK>