------------[ cut here ]------------
Looking for class "&ei->i_data_sem" with key init_once.__key.786, but found a different class "&ei->i_data_sem" with the same key
WARNING: CPU: 1 PID: 8409 at kernel/locking/lockdep.c:933 look_up_lock_class+0xc2/0x140 kernel/locking/lockdep.c:930
Modules linked in:
CPU: 1 PID: 8409 Comm: syz.4.1420 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:look_up_lock_class+0xc2/0x140 kernel/locking/lockdep.c:930
Code: 8b 16 48 c7 c0 20 c1 db 90 48 39 c2 74 46 f6 05 f0 cb d4 03 01 75 3d c6 05 e7 cb d4 03 01 48 c7 c7 60 22 0c 8b e8 1e de a0 f6 <0f> 0b eb 26 e8 45 33 8f f9 48 c7 c7 a0 21 0c 8b 89 de e8 d7 f3 fd
RSP: 0018:ffffc900039775b0 EFLAGS: 00010046
RAX: 7fd9a33a8b8fd900 RBX: ffffffff90c78fa0 RCX: 0000000000080000
RDX: ffffc9000e1d9000 RSI: 000000000000835c RDI: 000000000000835d
RBP: ffffc900039776b0 R08: ffffffff8152b88e R09: fffff5200072ee15
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 1ffff9200072eec4 R14: ffff888070303eb8 R15: ffffffff974dff41
FS:  00007fa354efe6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d911ff8 CR3: 000000004ef9c000 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+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fa35417fed9
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:00007fa354efe058 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa354345fa0 RCX: 00007fa35417fed9
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000004
RBP: 00007fa3541f3cc8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa354345fa0 R15: 00007ffc582010b8
 </TASK>