EXT4-fs warning (device loop7): ext4_xattr_inode_create:1481: refuse to create EA inode when umounting
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WARNING: CPU: 1 PID: 7641 at fs/ext4/xattr.c:1482 ext4_xattr_inode_create fs/ext4/xattr.c:1480 [inline]
WARNING: CPU: 1 PID: 7641 at fs/ext4/xattr.c:1482 ext4_xattr_inode_lookup_create+0xc96/0x1ea0 fs/ext4/xattr.c:1600
Modules linked in:
CPU: 1 PID: 7641 Comm: syz-executor Not tainted syzkaller #0
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+0xc96/0x1ea0 fs/ext4/xattr.c:1600
Code: 4c 8b 7c 24 18 e9 83 03 00 00 e8 85 70 41 ff 48 89 df 48 c7 c6 b8 97 7d 8c ba c9 05 00 00 48 c7 c1 00 db de 8a e8 4a 43 fc ff <0f> 0b 49 be 00 00 00 00 00 fc ff df 43 c6 44 35 0e f8 48 c7 04 24
RSP: 0000:ffffc90003247400 EFLAGS: 00010246
RAX: 792275b936621a00 RBX: ffff888078e4e000 RCX: 792275b936621a00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc900032475d0 R08: ffffc90003246fc7 R09: 1ffff92000648df8
R10: dffffc0000000000 R11: fffff52000648df9 R12: ffff88805adcbeb0
R13: 1ffff92000648e94 R14: 0000000000000000 R15: ffff88805adcbee8
FS:  0000555568029500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f323ffc CR3: 0000000062de3000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 ext4_xattr_block_set+0x21a/0x2fe0 fs/ext4/xattr.c:1920
 ext4_xattr_move_to_block fs/ext4/xattr.c:2666 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2741 [inline]
 ext4_expand_extra_isize_ea+0x128f/0x1e70 fs/ext4/xattr.c:2829
 __ext4_expand_extra_isize+0x306/0x400 fs/ext4/inode.c:5990
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6033 [inline]
 __ext4_mark_inode_dirty+0x458/0x6d0 fs/ext4/inode.c:6111
 ext4_dirty_inode+0xcb/0x110 fs/ext4/inode.c:6143
 __mark_inode_dirty+0x2cc/0xc90 fs/fs-writeback.c:2471
 mark_inode_dirty_sync include/linux/fs.h:2309 [inline]
 iput+0x1c7/0x900 fs/inode.c:1843
 __dentry_kill+0x412/0x630 fs/dcache.c:611
 shrink_dentry_list+0x39a/0x6b0 fs/dcache.c:1206
 shrink_dcache_parent+0xb2/0x3f0 fs/dcache.c:-1
 do_one_tree+0x23/0xe0 fs/dcache.c:1686
 shrink_dcache_for_umount+0x69/0x110 fs/dcache.c:1703
 generic_shutdown_super+0x67/0x2b0 fs/super.c:665
 kill_block_super+0x44/0x90 fs/super.c:1660
 ext4_kill_sb+0x68/0xa0 fs/ext4/super.c:7411
 deactivate_locked_super+0x97/0x100 fs/super.c:481
 cleanup_mnt+0x3d7/0x460 fs/namespace.c:1259
 task_work_run+0x1d4/0x260 kernel/task_work.c:245
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xe6/0x110 kernel/entry/common.c:177
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xb0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efd1ef9e097
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:00007fff7153c448 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007efd1f0322ca RCX: 00007efd1ef9e097
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff7153c500
RBP: 00007fff7153c500 R08: 00007fff7153d500 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff7153d590
R13: 00007efd1f0322ca R14: 000000000005d383 R15: 00007fff7153d5d0
 </TASK>