EXT4-fs warning (device loop3): ext4_xattr_inode_create:1437: refuse to create EA inode when umounting
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4274 at fs/ext4/xattr.c:1438 ext4_xattr_inode_create fs/ext4/xattr.c:1436 [inline]
WARNING: CPU: 1 PID: 4274 at fs/ext4/xattr.c:1438 ext4_xattr_inode_lookup_create+0xbb7/0x1d10 fs/ext4/xattr.c:1556
Modules linked in:
CPU: 1 PID: 4274 Comm: syz-executor Not tainted 6.1.146-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:ext4_xattr_inode_create fs/ext4/xattr.c:1438 [inline]
RIP: 0010:ext4_xattr_inode_lookup_create+0xbb7/0x1d10 fs/ext4/xattr.c:1556
Code: 4c 8b 7c 24 20 e9 5d 04 00 00 e8 e4 c8 4d ff 48 89 df 48 c7 c6 96 3b 3e 8c ba 9d 05 00 00 48 c7 c1 40 9d a0 8a e8 09 49 fc ff <0f> 0b 49 c7 c6 ea ff ff ff 48 8b 5c 24 18 43 80 3c 2c 00 74 08 48
RSP: 0018:ffffc90003d97280 EFLAGS: 00010246
RAX: 9ba88f1bd6e2f200 RBX: ffff888028388000 RCX: 9ba88f1bd6e2f200
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003d97450 R08: dffffc0000000000 R09: fffff520007b2dc9
R10: fffff520007b2dc9 R11: 1ffff920007b2dc8 R12: 1ffff1100e048922
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880702448e8
FS:  0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbc240e7d60 CR3: 000000002fc0d000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_block_set+0x23a/0x32a0 fs/ext4/xattr.c:1876
 ext4_xattr_move_to_block fs/ext4/xattr.c:2625 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2700 [inline]
 ext4_expand_extra_isize_ea+0x109b/0x19b0 fs/ext4/xattr.c:2792
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5966
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6009 [inline]
 __ext4_mark_inode_dirty+0x47f/0x770 fs/ext4/inode.c:6087
 ext4_dirty_inode+0xbf/0x100 fs/ext4/inode.c:6119
 __mark_inode_dirty+0x322/0xf40 fs/fs-writeback.c:2433
 mark_inode_dirty_sync include/linux/fs.h:2551 [inline]
 iput+0x1e1/0x980 fs/inode.c:1857
 __dentry_kill+0x431/0x650 fs/dcache.c:611
 shrink_dentry_list+0x39b/0x6a0 fs/dcache.c:1206
 shrink_dcache_parent+0xa8/0x3c0 fs/dcache.c:-1
 do_one_tree+0x23/0xe0 fs/dcache.c:1687
 shrink_dcache_for_umount+0x65/0x110 fs/dcache.c:1704
 generic_shutdown_super+0x63/0x340 fs/super.c:473
 kill_block_super+0x7c/0xe0 fs/super.c:1470
 deactivate_locked_super+0x93/0xf0 fs/super.c:332
 cleanup_mnt+0x463/0x4f0 fs/namespace.c:1182
 task_work_run+0x1ca/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x93e/0x2400 kernel/exit.c:880
 do_group_exit+0x217/0x2d0 kernel/exit.c:1022
 __do_sys_exit_group kernel/exit.c:1033 [inline]
 __se_sys_exit_group kernel/exit.c:1031 [inline]
 __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1031
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fbc2338e9a9
Code: Unable to access opcode bytes at 0x7fbc2338e97f.
RSP: 002b:00007ffd71e87918 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbc2338e9a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 00007fbc2341230b R08: 00007ffd71e856b6 R09: 00000000000927c0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000020
R13: 00000000000927c0 R14: 0000000000017446 R15: 00007ffd71e87ad0
 </TASK>