EXT4-fs warning (device loop0): ext4_xattr_inode_create:1438: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4438 at fs/ext4/xattr.c:1439 ext4_xattr_inode_create fs/ext4/xattr.c:1437 [inline] WARNING: CPU: 1 PID: 4438 at fs/ext4/xattr.c:1439 ext4_xattr_inode_lookup_create+0x958/0x18c4 fs/ext4/xattr.c:1557 Modules linked in: CPU: 1 PID: 4438 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1437 [inline] pc : ext4_xattr_inode_lookup_create+0x958/0x18c4 fs/ext4/xattr.c:1557 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1437 [inline] lr : ext4_xattr_inode_lookup_create+0x958/0x18c4 fs/ext4/xattr.c:1557 sp : ffff800020c46fa0 x29: ffff800020c47140 x28: ffff0000e98cdcf8 x27: 0000000000000f8c x26: 1fffe0001d319bb8 x25: 0000000000000f8d x24: dfff800000000000 x23: 0000000000000001 x22: ffff0000dedba068 x21: ffff0000e98cdd20 x20: ffff0000dedba000 x19: ffff700004188e08 x18: ffff800011abbcc0 x17: 6572203a38333431 x16: ffff8000082d25b8 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 x11: ff0080000830a298 x10: 0000000000000000 x9 : 6f06bf61f37e4400 x8 : 6f06bf61f37e4400 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800020c46938 x4 : ffff8000151a4920 x3 : ffff80000a8462cc x2 : ffff00019f6ddd10 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1437 [inline] ext4_xattr_inode_lookup_create+0x958/0x18c4 fs/ext4/xattr.c:1557 ext4_xattr_block_set+0x1b4/0x2810 fs/ext4/xattr.c:1877 ext4_xattr_move_to_block fs/ext4/xattr.c:2626 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2701 [inline] ext4_expand_extra_isize_ea+0xcb8/0x15cc fs/ext4/xattr.c:2793 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5972 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6015 [inline] __ext4_mark_inode_dirty+0x3e4/0x790 fs/ext4/inode.c:6093 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6125 __mark_inode_dirty+0x2e8/0x11cc fs/fs-writeback.c:2443 mark_inode_dirty_sync include/linux/fs.h:2551 [inline] iput+0x1dc/0x7f4 fs/inode.c:1857 dentry_unlink_inode+0x360/0x438 fs/dcache.c:405 __dentry_kill+0x320/0x598 fs/dcache.c:611 shrink_dentry_list+0x410/0x7c8 fs/dcache.c:1206 shrink_dcache_parent+0xb0/0x354 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1687 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1704 generic_shutdown_super+0x68/0x324 fs/super.c:473 kill_block_super+0x70/0xdc fs/super.c:1470 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xe8/0x108 fs/super.c:363 cleanup_mnt+0x37c/0x404 fs/namespace.c:1191 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198 task_work_run+0x1ec/0x270 kernel/task_work.c:203 exit_task_work include/linux/task_work.h:39 [inline] do_exit+0x54c/0x19a8 kernel/exit.c:880 do_group_exit+0x194/0x22c kernel/exit.c:1022 __do_sys_exit_group kernel/exit.c:1033 [inline] __se_sys_exit_group kernel/exit.c:1031 [inline] __wake_up_parent+0x0/0x60 kernel/exit.c:1031 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 171148 hardirqs last enabled at (171147): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (171148): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (170508): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (170508): [] __tun_set_ebpf+0x114/0x1bc drivers/net/tun.c:2298 softirqs last disabled at (170506): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (170506): [] __tun_set_ebpf+0xa0/0x1bc drivers/net/tun.c:2294 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2819: Unable to expand inode 12. Delete some EAs or run e2fsck. EXT4-fs (loop0): unmounting filesystem.