------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.782, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 1 PID: 15098 at kernel/locking/lockdep.c:933 look_up_lock_class+0xc2/0x140 kernel/locking/lockdep.c:930
Modules linked in:
CPU: 1 PID: 15098 Comm: syz-executor.3 Not tainted 6.1.76-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:look_up_lock_class+0xc2/0x140 kernel/locking/lockdep.c:930
Code: 8b 16 48 c7 c0 20 01 35 90 48 39 c2 74 46 f6 05 58 01 d5 03 01 75 3d c6 05 4f 01 d5 03 01 48 c7 c7 60 0c ec 8a e8 ee 2b c8 f6 <0f> 0b eb 26 e8 c5 2b aa f9 48 c7 c7 a0 0b ec 8a 89 de e8 c0 f7 fd
RSP: 0018:ffffc900057b75b0 EFLAGS: 00010046
RAX: c247935e3ad92000 RBX: ffffffff901fa460 RCX: 0000000000040000
RDX: ffffc900134d1000 RSI: 000000000000601d RDI: 000000000000601e
RBP: ffffc900057b76b0 R08: ffffffff81526b4e R09: fffff52000af6e15
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 1ffff92000af6ec4 R14: ffff88806fd2dcd0 R15: ffffffff91e15561
FS:  00007f5372e8e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020020030 CR3: 000000004d80a000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 register_lock_class+0x100/0x990 kernel/locking/lockdep.c:1282
 __lock_acquire+0xd3/0x1f80 kernel/locking/lockdep.c:4928
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 down_write_nested+0x39/0x60 kernel/locking/rwsem.c:1689
 swap_inode_boot_loader fs/ext4/ioctl.c:426 [inline]
 __ext4_ioctl fs/ext4/ioctl.c:1424 [inline]
 ext4_ioctl+0x460f/0x5f60 fs/ext4/ioctl.c:1614
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f537207dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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:00007f5372e8e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f53721ac120 RCX: 00007f537207dda9
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000005
RBP: 00007f53720ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f53721ac120 R15: 00007ffc48afbba8
 </TASK>