EXT4-fs warning (device loop3): ext4_xattr_inode_create:1477: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6421 at fs/ext4/xattr.c:1478 ext4_xattr_inode_lookup_create+0x9e4/0x19e4 fs/ext4/xattr.c:1596 Modules linked in: CPU: 0 UID: 0 PID: 6421 Comm: syz-executor Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_lookup_create+0x9e4/0x19e4 fs/ext4/xattr.c:1596 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1476 [inline] lr : ext4_xattr_inode_lookup_create+0x9e0/0x19e4 fs/ext4/xattr.c:1596 sp : ffff8000a0a86f20 x29: ffff8000a0a870c0 x28: 0000000000000001 x27: 0000000000000000 x26: ffffffffffffffea x25: ffff0000ea8996c8 x24: ffff0000ecab8068 x23: dfff800000000000 x22: ffff0000ecab8000 x21: ffff0000ea8996a0 x20: ffff8000a0a87030 x19: ffff700014150df8 x18: 0000000000000008 x17: 6572203a37373431 x16: ffff80008b274630 x15: ffff700011ebd1e8 x14: 1ffff00011ebd1e8 x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000000001 x10: 0000000000ff0100 x9 : 9f318b80f4eb5500 x8 : 9f318b80f4eb5500 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a0a86558 x4 : ffff80008f65b620 x3 : ffff800080383398 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_lookup_create+0x9e4/0x19e4 fs/ext4/xattr.c:1596 ext4_xattr_block_set+0x224/0x2e08 fs/ext4/xattr.c:1916 ext4_xattr_move_to_block fs/ext4/xattr.c:2669 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2744 [inline] ext4_expand_extra_isize_ea+0xeb4/0x16c0 fs/ext4/xattr.c:2836 __ext4_expand_extra_isize+0x290/0x348 fs/ext4/inode.c:5861 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5904 [inline] __ext4_mark_inode_dirty+0x458/0x868 fs/ext4/inode.c:5982 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6014 __mark_inode_dirty+0x2d0/0x1154 fs/fs-writeback.c:2486 mark_inode_dirty_sync include/linux/fs.h:2437 [inline] iput+0x1d0/0x830 fs/inode.c:1861 dentry_unlink_inode+0x3a0/0x4e0 fs/dcache.c:412 __dentry_kill+0x178/0x5e8 fs/dcache.c:615 shrink_kill+0xd4/0x2cc fs/dcache.c:1060 shrink_dentry_list+0x31c/0x768 fs/dcache.c:1087 shrink_dcache_parent+0xc4/0x374 do_one_tree+0x30/0xfc fs/dcache.c:1550 shrink_dcache_for_umount+0xd8/0x188 fs/dcache.c:1567 generic_shutdown_super+0x68/0x2b8 fs/super.c:620 kill_block_super+0x44/0x90 fs/super.c:1696 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7289 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373 __cleanup_mnt+0x20/0x30 fs/namespace.c:1380 task_work_run+0x230/0x2e0 kernel/task_work.c:228 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: 653730 hardirqs last enabled at (653729): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (653729): [] __console_unlock kernel/printk/printk.c:2801 [inline] hardirqs last enabled at (653729): [] console_unlock+0x18c/0x3d4 kernel/printk/printk.c:3120 hardirqs last disabled at (653730): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (652798): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (652796): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop3): unmounting filesystem 00000000-0000-0000-0000-000000000000.