EXT4-fs warning (device loop4): ext4_xattr_inode_create:1471: refuse to create EA inode when umounting
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5113 at fs/ext4/xattr.c:1472 ext4_xattr_inode_create fs/ext4/xattr.c:1472 [inline]
WARNING: CPU: 0 PID: 5113 at fs/ext4/xattr.c:1472 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1590 [inline]
WARNING: CPU: 0 PID: 5113 at fs/ext4/xattr.c:1472 ext4_xattr_set_entry+0x162c/0x4330 fs/ext4/xattr.c:1718
Modules linked in:
CPU: 0 PID: 5113 Comm: syz-executor.4 Not tainted 6.9.0-rc3-next-20240409-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ext4_xattr_inode_create fs/ext4/xattr.c:1472 [inline]
RIP: 0010:ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1590 [inline]
RIP: 0010:ext4_xattr_set_entry+0x162c/0x4330 fs/ext4/xattr.c:1718
Code: 00 00 e8 97 47 2a ff eb 30 e8 90 47 2a ff 4c 89 ff 48 c7 c6 51 97 b7 8d ba bf 05 00 00 48 c7 c1 c0 aa df 8b e8 75 12 fc ff 90 <0f> 0b 90 49 c7 c4 ea ff ff ff 4c 8b 7c 24 70 48 8b 44 24 40 42 80
RSP: 0018:ffffc90003c8f140 EFLAGS: 00010246
RAX: f8bc6f4c153bea00 RBX: 0000000000000000 RCX: f8bc6f4c153bea00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90003c8f3d0 R08: ffffffff81769dcc R09: fffffbfff1c39c9c
R10: dffffc0000000000 R11: fffffbfff1c39c9c R12: ffff8880484848d8
R13: dffffc0000000000 R14: ffffc90003c8f2f0 R15: ffff8880239bc000
FS:  000055557ae78480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31f30000 CR3: 000000005fbf0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_block_set+0x6a2/0x3480 fs/ext4/xattr.c:1968
 ext4_xattr_move_to_block fs/ext4/xattr.c:2654 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2729 [inline]
 ext4_expand_extra_isize_ea+0x12d7/0x1cf0 fs/ext4/xattr.c:2821
 __ext4_expand_extra_isize+0x2fb/0x3e0 fs/ext4/inode.c:5789
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5832 [inline]
 __ext4_mark_inode_dirty+0x524/0x880 fs/ext4/inode.c:5910
 ext4_dirty_inode+0xce/0x110 fs/ext4/inode.c:5942
 __mark_inode_dirty+0x325/0xe20 fs/fs-writeback.c:2486
 mark_inode_dirty_sync include/linux/fs.h:2406 [inline]
 iput+0x1fe/0x930 fs/inode.c:1764
 __dentry_kill+0x20d/0x630 fs/dcache.c:603
 shrink_kill+0xa9/0x2c0 fs/dcache.c:1048
 shrink_dentry_list+0x2c0/0x5b0 fs/dcache.c:1075
 shrink_dcache_parent+0xcb/0x3b0
 do_one_tree+0x23/0xe0 fs/dcache.c:1538
 shrink_dcache_for_umount+0x7d/0x130 fs/dcache.c:1555
 generic_shutdown_super+0x6a/0x2d0 fs/super.c:619
 kill_block_super+0x44/0x90 fs/super.c:1675
 ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7323
 deactivate_locked_super+0xc4/0x130 fs/super.c:472
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
 do_syscall_64+0x10a/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x72/0x7a
RIP: 0033:0x7f9f59c7f197
Code: b0 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 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff293aa648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9f59c7f197
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007fff293aa700
RBP: 00007fff293aa700 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff293ab7c0
R13: 00007f9f59cc93b9 R14: 000000000005dce2 R15: 0000000000000015
 </TASK>