EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE EXT4-fs error (device loop0): ext4_orphan_get:1394: inode #15: comm syz-executor.0: casefold flag without casefold feature EXT4-fs error (device loop0): ext4_xattr_inode_iget:436: inode #12: comm syz-executor.0: casefold flag without casefold feature ------------[ cut here ]------------ Looking for class "&ea_inode->i_rwsem" with key ext4_fs_type, but found a different class "&type->i_mutex_dir_key" with the same key WARNING: CPU: 0 PID: 17094 at kernel/locking/lockdep.c:938 look_up_lock_class+0xac/0x130 kernel/locking/lockdep.c:938 Modules linked in: CPU: 0 PID: 17094 Comm: syz-executor.0 Not tainted 6.4.0-rc2-next-20230515-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:look_up_lock_class+0xac/0x130 kernel/locking/lockdep.c:938 Code: 39 48 8b 55 00 48 81 fa 20 28 17 90 74 2c 80 3d fa 7a 54 04 00 75 23 48 c7 c7 40 6a 4c 8a c6 05 ea 7a 54 04 01 e8 34 0f 3b f7 <0f> 0b eb 0c e8 5b e5 fe f9 85 c0 75 48 45 31 e4 48 83 c4 08 4c 89 RSP: 0018:ffffc900050ff500 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffffffff8ca23099 RCX: ffffc90003c01000 RDX: 0000000000040000 RSI: ffffffff814bd247 RDI: 0000000000000001 RBP: ffff8880a5db8e00 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff91578560 R13: 0000000000000001 R14: ffff8880a5db8e00 R15: ffff8880a5d496f0 FS: 00007ff2b3c1c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 000000007dcfd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: register_lock_class+0xbe/0x1120 kernel/locking/lockdep.c:1290 lockdep_init_map_type+0x334/0x810 kernel/locking/lockdep.c:4889 ext4_xattr_inode_set_class fs/ext4/xattr.c:124 [inline] ext4_xattr_inode_iget+0x210/0x660 fs/ext4/xattr.c:461 ext4_xattr_inode_dec_ref_all+0x174/0xa60 fs/ext4/xattr.c:1208 ext4_xattr_delete_inode+0x4e3/0xbb0 fs/ext4/xattr.c:2957 ext4_evict_inode+0x812/0x1860 fs/ext4/inode.c:268 evict+0x2ed/0x6b0 fs/inode.c:665 iput_final fs/inode.c:1747 [inline] iput fs/inode.c:1773 [inline] iput+0x4a7/0x7a0 fs/inode.c:1759 ext4_orphan_cleanup+0x6eb/0x1110 fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5556 [inline] ext4_fill_super+0x8bc3/0xaf90 fs/ext4/super.c:5672 get_tree_bdev+0x44a/0x770 fs/super.c:1303 vfs_get_tree+0x8d/0x350 fs/super.c:1510 do_new_mount fs/namespace.c:3039 [inline] path_mount+0x134b/0x1e40 fs/namespace.c:3369 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x283/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7ff2b2e8d69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 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:00007ff2b3c1bf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000044b RCX: 00007ff2b2e8d69a RDX: 0000000020000180 RSI: 00000000200000c0 RDI: 00007ff2b3c1bfe0 RBP: 00007ff2b3c1c020 R08: 00007ff2b3c1c020 R09: 0000000000800714 R10: 0000000000800714 R11: 0000000000000202 R12: 0000000020000180 R13: 00000000200000c0 R14: 00007ff2b3c1bfe0 R15: 0000000020000740