EXT4-fs warning (device loop2): ext4_xattr_inode_create:1471: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6292 at fs/ext4/xattr.c:1472 ext4_xattr_inode_lookup_create+0x9f4/0x1918 fs/ext4/xattr.c:1590 Modules linked in: CPU: 0 PID: 6292 Comm: syz-executor Not tainted 6.10.0-rc7-syzkaller-g1a6f53de2eb9 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_lookup_create+0x9f4/0x1918 fs/ext4/xattr.c:1590 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1470 [inline] lr : ext4_xattr_inode_lookup_create+0x9f0/0x1918 fs/ext4/xattr.c:1590 sp : ffff800098306f20 x29: ffff8000983070c0 x28: ffff0000ec13e6b0 x27: 0000000000000001 x26: ffffffffffffffea x25: ffff80008f230440 x24: ffff0000ea00e068 x23: dfff800000000000 x22: ffff0000ea00e000 x21: ffff0000ec13e6d8 x20: ffff800098307030 x19: ffff700013060df8 x18: 0000000000000008 x17: 6572203a31373431 x16: ffff800082fcc930 x15: 0000000000000001 x14: 1ffff00013060d10 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000ff0100 x9 : 77ff51c88019a500 x8 : 77ff51c88019a500 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800098306558 x4 : ffff80008f295280 x3 : ffff800082f571c4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_lookup_create+0x9f4/0x1918 fs/ext4/xattr.c:1590 ext4_xattr_block_set+0x224/0x2e08 fs/ext4/xattr.c:1910 ext4_xattr_move_to_block fs/ext4/xattr.c:2663 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2738 [inline] ext4_expand_extra_isize_ea+0xeb4/0x16c0 fs/ext4/xattr.c:2830 __ext4_expand_extra_isize+0x290/0x348 fs/ext4/inode.c:5782 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5825 [inline] __ext4_mark_inode_dirty+0x458/0x868 fs/ext4/inode.c:5903 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:5935 __mark_inode_dirty+0x2d0/0x1154 fs/fs-writeback.c:2486 mark_inode_dirty_sync include/linux/fs.h:2409 [inline] iput+0x1d0/0x830 fs/inode.c:1764 dentry_unlink_inode+0x394/0x4d4 fs/dcache.c:400 __dentry_kill+0x178/0x5e8 fs/dcache.c:603 shrink_kill+0xd4/0x2cc fs/dcache.c:1048 shrink_dentry_list+0x31c/0x768 fs/dcache.c:1075 shrink_dcache_parent+0xc4/0x374 do_one_tree+0x30/0xfc fs/dcache.c:1538 shrink_dcache_for_umount+0x80/0x12c fs/dcache.c:1555 generic_shutdown_super+0x68/0x2b8 fs/super.c:620 kill_block_super+0x44/0x90 fs/super.c:1685 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7301 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1267 __cleanup_mnt+0x20/0x30 fs/namespace.c:1274 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 281100 hardirqs last enabled at (281099): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (281099): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (281099): [] console_unlock+0x18c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (281100): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (280006): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (280004): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000.