syzbot

------------[ 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: 5277 at kernel/locking/lockdep.c:932 look_up_lock_class+0x127/0x130 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 1 PID: 5277 Comm: syz-executor400 Not tainted 6.8.0-rc1-syzkaller-00169-gecb1b8288dc7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:look_up_lock_class+0x127/0x130 kernel/locking/lockdep.c:932
Code: c7 c7 60 ad cc 8a e8 c8 e3 bf f6 90 0f 0b 90 90 90 31 db eb c2 c6 05 dd d0 96 04 01 90 48 c7 c7 80 b0 cc 8a e8 aa e3 bf f6 90 <0f> 0b 90 90 e9 6a ff ff ff 53 48 39 77 10 48 89 fb 74 51 66 83 7f
RSP: 0018:ffffc9000477f8b8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffffffff921a57b8 RCX: ffffffff814e18f9
RDX: ffff888027878000 RSI: ffffffff814e1906 RDI: 0000000000000001
RBP: ffffffff92aff561 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff888076e55288
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff92a356a0
FS:  0000555557051480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd9033c80f8 CR3: 0000000021a80000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 register_lock_class+0xb1/0x1230 kernel/locking/lockdep.c:1284
 __lock_acquire+0x112/0x3b30 kernel/locking/lockdep.c:5014
 lock_acquire kernel/locking/lockdep.c:5754 [inline]
 lock_acquire+0x1ae/0x520 kernel/locking/lockdep.c:5719
 down_write_nested+0x3d/0x50 kernel/locking/rwsem.c:1695
 ext4_double_down_write_data_sem+0x67/0x80 fs/ext4/move_extent.c:58
 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline]
 __ext4_ioctl+0x163e/0x4570 fs/ext4/ioctl.c:1437
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl fs/ioctl.c:857 [inline]
 __x64_sys_ioctl+0x18f/0x210 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd3/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fd9033508e9
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:00007ffc07963038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd9033508e9
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc0796306c R09: 00007ffc0796306c
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc0796306c
R13: 0000000000000046 R14: 431bde82d7b634db R15: 00007ffc079630a0
 </TASK>