------------[ 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: 10191 at kernel/locking/lockdep.c:933 look_up_lock_class+0xc2/0x140 kernel/locking/lockdep.c:930 Modules linked in: CPU: 1 PID: 10191 Comm: syz-executor.2 Not tainted 6.1.81-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:look_up_lock_class+0xc2/0x140 kernel/locking/lockdep.c:930 Code: 8b 16 48 c7 c0 20 51 35 90 48 39 c2 74 46 f6 05 58 ed d5 03 01 75 3d c6 05 4f ed d5 03 01 48 c7 c7 e0 0d ec 8a e8 3e ff c8 f6 <0f> 0b eb 26 e8 15 f9 aa f9 48 c7 c7 20 0d ec 8a 89 de e8 d0 f7 fd RSP: 0018:ffffc900079d75b0 EFLAGS: 00010046 RAX: 35af83a19d2e5700 RBX: ffffffff90216920 RCX: 0000000000040000 RDX: ffffc9000c2f8000 RSI: 00000000000059f4 RDI: 00000000000059f5 RBP: ffffc900079d76b0 R08: ffffffff81527e8e R09: ffffed1017324f1c R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 1ffff92000f3aec4 R14: ffff8880306966d8 R15: ffffffff91e19f41 FS: 00007fb158c1c6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33124000 CR3: 0000000072e8c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7fb157e7dda9 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:00007fb158c1c0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb157fac120 RCX: 00007fb157e7dda9 RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000005 RBP: 00007fb157eca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007fb157fac120 R15: 00007ffe70e9ece8