EXT4-fs warning (device loop0): ext4_xattr_inode_create:1469: refuse to create EA inode when umounting
------------[ cut here ]------------
WARNING: CPU: 1 PID: 6387 at fs/ext4/xattr.c:1470 ext4_xattr_inode_create fs/ext4/xattr.c:1468 [inline]
WARNING: CPU: 1 PID: 6387 at fs/ext4/xattr.c:1470 ext4_xattr_inode_lookup_create+0xa7b/0x1c10 fs/ext4/xattr.c:1588
Modules linked in:
CPU: 1 UID: 0 PID: 6387 Comm: syz-executor Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ext4_xattr_inode_create fs/ext4/xattr.c:1470 [inline]
RIP: 0010:ext4_xattr_inode_lookup_create+0xa7b/0x1c10 fs/ext4/xattr.c:1588
Code: 4c 8b 74 24 10 e9 d2 03 00 00 e8 90 f6 3c ff 48 89 df 48 c7 c6 15 c3 06 8d ba bd 05 00 00 48 c7 c1 80 d1 1f 8b e8 f5 2d fc ff <0f> 0b 49 c7 c7 ea ff ff ff 4c 8b 74 24 10 e9 bb 03 00 00 48 8d 78
RSP: 0018:ffffc90003adf400 EFLAGS: 00010246
RAX: b793f5d04d986300 RBX: ffff88807e400000 RCX: b793f5d04d986300
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003adf590 R08: ffffc90003adefe7 R09: 1ffff9200075bdfc
R10: dffffc0000000000 R11: fffff5200075bdfd R12: 1ffff9200075be94
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807c054f40
FS:  0000555587fba500(0000) GS:ffff8881269de000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7091148000 CR3: 0000000078362000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_block_set+0x21f/0x2ab0 fs/ext4/xattr.c:1908
 ext4_xattr_move_to_block fs/ext4/xattr.c:2659 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2734 [inline]
 ext4_expand_extra_isize_ea+0x12d1/0x1e90 fs/ext4/xattr.c:2822
 __ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6306
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6349 [inline]
 __ext4_mark_inode_dirty+0x468/0x6f0 fs/ext4/inode.c:6427
 ext4_dirty_inode+0xcc/0x110 fs/ext4/inode.c:6459
 __mark_inode_dirty+0x2cd/0xdb0 fs/fs-writeback.c:2527
 mark_inode_dirty_sync include/linux/fs.h:2599 [inline]
 iput+0x1ea/0x9c0 fs/inode.c:1921
 __dentry_kill+0x209/0x660 fs/dcache.c:669
 shrink_kill+0xa9/0x2c0 fs/dcache.c:1114
 shrink_dentry_list+0x2dc/0x5e0 fs/dcache.c:1141
 shrink_dcache_parent+0x9d/0x2c0 fs/dcache.c:-1
 do_one_tree+0x23/0xe0 fs/dcache.c:1604
 shrink_dcache_for_umount+0x9c/0x160 fs/dcache.c:1621
 generic_shutdown_super+0x63/0x2c0 fs/super.c:621
 kill_block_super+0x40/0x90 fs/super.c:1753
 ext4_kill_sb+0x64/0xa0 fs/ext4/super.c:7391
 deactivate_locked_super+0xb5/0x110 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417
 task_work_run+0x1d0/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xe8/0x110 kernel/entry/common.c:114
 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
 do_syscall_64+0x213/0x2e0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f241618fc57
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffcadf07db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f2416210925 RCX: 00007f241618fc57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcadf07e70
RBP: 00007ffcadf07e70 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcadf08f00
R13: 00007f2416210925 R14: 00000000000248fe R15: 00007ffcadf08f40
 </TASK>