------------[ 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: 7779 at kernel/locking/lockdep.c:931 look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:931
Modules linked in:
CPU: 1 UID: 0 PID: 7779 Comm: syz.1.878 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:look_up_lock_class+0x133/0x140 kernel/locking/lockdep.c:931
Code: c7 c7 c0 d5 4c 8b e8 ec 05 3c f6 90 0f 0b 90 90 90 31 db eb be c6 05 07 8c ea 04 01 90 48 c7 c7 e0 d8 4c 8b e8 ce 05 3c 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:ffffc90004337848 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffffffff946d1cf8 RCX: ffffc9000a29f000
RDX: 0000000000040000 RSI: ffffffff814e1016 RDI: 0000000000000001
RBP: ffffffff94feccc1 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 20676e696b6f6f4c R12: ffff8880593aaa68
R13: 0000000000000000 R14: 0000000000000001 R15: ffffffff94f21160
FS:  00007f7427d086c0(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7427d07f98 CR3: 000000001fda2000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 register_lock_class+0xb1/0x1230 kernel/locking/lockdep.c:1283
 __lock_acquire+0x135/0x3cb0 kernel/locking/lockdep.c:5019
 lock_acquire kernel/locking/lockdep.c:5759 [inline]
 lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724
 down_write_nested+0x97/0x210 kernel/locking/rwsem.c:1695
 ext4_double_down_write_data_sem fs/ext4/move_extent.c:55 [inline]
 ext4_double_down_write_data_sem+0x42/0x80 fs/ext4/move_extent.c:51
 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline]
 __ext4_ioctl+0x2a13/0x4640 fs/ext4/ioctl.c:1436
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x196/0x220 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7426f79e79
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:00007f7427d08038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7427116058 RCX: 00007f7426f79e79
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000004
RBP: 00007f7426fe793e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f7427116058 R15: 00007ffcf9095c08
 </TASK>