------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.789, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 0 PID: 5915 at kernel/locking/lockdep.c:935 look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Modules linked in:
CPU: 0 PID: 5915 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:look_up_lock_class+0xdc/0x160 kernel/locking/lockdep.c:932
Code: 01 0f 85 80 00 00 00 c6 05 9a 11 05 04 01 90 49 8b 16 49 8b 76 18 48 8b 8b b8 00 00 00 48 c7 c7 80 e2 aa 8b e8 65 2f ec f5 90 <0f> 0b 90 90 eb 57 90 e8 18 dd 2d f9 48 c7 c7 c0 e1 aa 8b 89 de e8
RSP: 0018:ffffc9000432f570 EFLAGS: 00010046
RAX: 009cf25be0e93c00 RBX: ffffffff92a08828 RCX: 0000000000040000
RDX: ffffc9001500e000 RSI: 000000000000725c RDI: 000000000000725d
RBP: ffffc9000432f680 R08: ffffffff8157cb22 R09: 1ffff110172851a2
R10: dffffc0000000000 R11: ffffed10172851a3 R12: ffff88805ef30288
R13: ffff88805ef30288 R14: ffff88805ef30288 R15: ffffffff945d4bc1
FS:  00007eff529b26c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33622000 CR3: 0000000061996000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 register_lock_class+0x102/0x980 kernel/locking/lockdep.c:1284
 __lock_acquire+0xda/0x1fd0 kernel/locking/lockdep.c:5014
 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
 down_write_nested+0x3d/0x50 kernel/locking/rwsem.c:1695
 swap_inode_boot_loader fs/ext4/ioctl.c:432 [inline]
 __ext4_ioctl fs/ext4/ioctl.c:1437 [inline]
 ext4_ioctl+0x40fc/0x5540 fs/ext4/ioctl.c:1627
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7eff51c7de69
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:00007eff529b20c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007eff51dabf80 RCX: 00007eff51c7de69
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000004
RBP: 00007eff51cca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007eff51dabf80 R15: 00007fff2df5f818
 </TASK>