EXT4-fs warning (device loop0): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting
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WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_create fs/ext4/xattr.c:1482 [inline], CPU#0: syz-executor/5812
WARNING: fs/ext4/xattr.c:1482 at ext4_xattr_inode_lookup_create+0xb96/0x1d20 fs/ext4/xattr.c:1600, CPU#0: syz-executor/5812
Modules linked in:
CPU: 0 UID: 0 PID: 5812 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ext4_xattr_inode_create fs/ext4/xattr.c:1482 [inline]
RIP: 0010:ext4_xattr_inode_lookup_create+0xb96/0x1d20 fs/ext4/xattr.c:1600
Code: 8b 7c 24 28 e9 73 03 00 00 e8 26 74 2f ff 48 89 df 48 c7 c6 d2 de 60 8d ba c9 05 00 00 48 c7 c1 20 d0 65 8b e8 db 0d fc ff 90 <0f> 0b 90 49 be 00 00 00 00 00 fc ff df 48 8b 5c 24 20 42 c6 44 33
RSP: 0018:ffffc90003a1f240 EFLAGS: 00010246
RAX: f4d0714bb3118400 RBX: ffff88803c108000 RCX: f4d0714bb3118400
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003a1f3d0 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000743dd1 R12: ffff888045b4a638
R13: ffff88803cad9000 R14: 0000000000000000 R15: ffff888045b4a660
FS:  0000555555feb500(0000) GS:ffff888125ece000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffda322cf70 CR3: 0000000038370000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ext4_xattr_block_set+0x220/0x2a80 fs/ext4/xattr.c:1920
 ext4_xattr_move_to_block fs/ext4/xattr.c:2671 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2746 [inline]
 ext4_expand_extra_isize_ea+0x1342/0x1e70 fs/ext4/xattr.c:2834
 __ext4_expand_extra_isize+0x30d/0x400 fs/ext4/inode.c:6486
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6529 [inline]
 __ext4_mark_inode_dirty+0x455/0x700 fs/ext4/inode.c:6607
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6639
 __mark_inode_dirty+0x3a8/0x13b0 fs/fs-writeback.c:2709
 mark_inode_dirty_sync include/linux/fs.h:2213 [inline]
 sync_lazytime+0x19a/0x4c0 fs/fs-writeback.c:1760
 iput+0x202/0xf00 fs/inode.c:2050
 dentry_kill+0x1b9/0x880 fs/dcache.c:826
 shrink_kill fs/dcache.c:1275 [inline]
 shrink_dentry_list+0x20c/0x320 fs/dcache.c:1292
 shrink_dcache_tree+0xe7/0x410 fs/dcache.c:1725
 do_one_tree+0x18/0xa0 fs/dcache.c:1795
 shrink_dcache_for_umount+0x111/0x510 fs/dcache.c:1812
 generic_shutdown_super+0x6f/0x2d0 fs/super.c:625
 kill_block_super+0x44/0x90 fs/super.c:1665
 ext4_kill_sb+0x68/0xb0 fs/ext4/super.c:7499
 deactivate_locked_super+0xbc/0x130 fs/super.c:477
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1fa/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4891fbe097
Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 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 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffda322d5c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f48920521ca RCX: 00007f4891fbe097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffda322d680
RBP: 00007ffda322d680 R08: 00007ffda322e680 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffda322e710
R13: 00007f48920521ca R14: 0000000000019770 R15: 00007ffda322e750
 </TASK>