EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000dcfff048 x22: ffff0000ce274020 x21: ffff0000dcfff070 x20: ffff0000d1da6068 x19: ffff0000d1da6000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 117670 hardirqs last enabled at (117669): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (117670): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (117580): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (117578): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a858178f ]--- EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2807: Unable to expand inode 14. Delete some EAs or run e2fsck. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e212b478 x22: ffff0000dc052020 x21: ffff0000e212b4a0 x20: ffff0000ccbe8068 x19: ffff0000ccbe8000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 122292 hardirqs last enabled at (122291): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (122291): [] __schedule+0xef8/0x1bc4 kernel/sched/core.c:6401 hardirqs last disabled at (122292): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (122204): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (122202): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581790 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e238be70 x22: ffff0000d9182020 x21: ffff0000e238be98 x20: ffff0000d7652068 x19: ffff0000d7652000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 126072 hardirqs last enabled at (126071): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (126072): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (126000): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (125998): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581791 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e212e650 x22: ffff0000d91a0820 x21: ffff0000e212e678 x20: ffff0000d9654068 x19: ffff0000d9654000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 130414 hardirqs last enabled at (130413): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (130413): [] __schedule+0xef8/0x1bc4 kernel/sched/core.c:6401 hardirqs last disabled at (130414): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (130342): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (130340): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581792 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e21c5260 x22: ffff0000d5c9c020 x21: ffff0000e21c5288 x20: ffff0000c212e068 x19: ffff0000c212e000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 134308 hardirqs last enabled at (134307): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (134308): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (134236): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (134234): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581793 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee0282a0 x22: ffff0000c8ae7820 x21: ffff0000ee0282c8 x20: ffff0000db11a068 x19: ffff0000db11a000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 138380 hardirqs last enabled at (138379): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (138380): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (138302): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (138300): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581794 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee02a088 x22: ffff0000d48f4820 x21: ffff0000ee02a0b0 x20: ffff0000d6b16068 x19: ffff0000d6b16000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 142440 hardirqs last enabled at (142439): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (142440): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (142378): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (142376): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581795 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee021690 x22: ffff0000e9288020 x21: ffff0000ee0216b8 x20: ffff0000ec9a4068 x19: ffff0000ec9a4000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 146188 hardirqs last enabled at (146187): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (146188): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (146126): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (146124): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581796 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee02e650 x22: ffff0000d5c3e820 x21: ffff0000ee02e678 x20: ffff0000d9a9e068 x19: ffff0000d9a9e000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 150598 hardirqs last enabled at (150597): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (150597): [] __schedule+0xef8/0x1bc4 kernel/sched/core.c:6401 hardirqs last disabled at (150598): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (150530): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (150528): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581797 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee023478 x22: ffff0000e90d5820 x21: ffff0000ee0234a0 x20: ffff0000c299a068 x19: ffff0000c299a000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 154716 hardirqs last enabled at (154715): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (154716): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (154658): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (154656): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581798 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e21db478 x22: ffff0000da811820 x21: ffff0000e21db4a0 x20: ffff0000cb3ce068 x19: ffff0000cb3ce000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f05ab x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff800008509220 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 158970 hardirqs last enabled at (158969): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (158970): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (158906): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (158904): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a8581799 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e21de650 x22: ffff0000d6941820 x21: ffff0000e21de678 x20: ffff0000d6978068 x19: ffff0000d6978000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 163300 hardirqs last enabled at (163299): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (163300): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (163228): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (163226): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a858179a ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e2318c98 x22: ffff0000cfa66820 x21: ffff0000e2318cc0 x20: ffff0000d95dc068 x19: ffff0000d95dc000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 167282 hardirqs last enabled at (167281): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (167282): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (167212): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (167210): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a858179b ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e23c82a0 x22: ffff0000c0a87020 x21: ffff0000e23c82c8 x20: ffff0000cd7dc068 x19: ffff0000cd7dc000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 171804 hardirqs last enabled at (171803): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (171803): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (171804): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (171798): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (171798): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (171769): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (171769): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (171769): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (171769): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a858179c ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e23ca088 x22: ffff0000ce847820 x21: ffff0000e23ca0b0 x20: ffff0000cd780068 x19: ffff0000cd780000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 175890 hardirqs last enabled at (175889): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (175889): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (175890): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (175870): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (175870): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (175855): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (175855): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (175855): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (175855): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a858179d ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e23cd260 x22: ffff0000d71fa820 x21: ffff0000e23cd288 x20: ffff0000c9f52068 x19: ffff0000c9f52000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800008304af8 x15: 00000000ffffffff x14: 0000000000000001 x13: 1ffff00003f38ce8 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff800008304c08 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 179998 hardirqs last enabled at (179997): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (179998): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (179994): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (179994): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (179983): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (179983): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (179983): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (179983): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a858179e ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e21582a0 x22: ffff0000da27e820 x21: ffff0000e21582c8 x20: ffff0000c175a068 x19: ffff0000c175a000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 183846 hardirqs last enabled at (183845): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (183846): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (183782): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (183780): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a858179f ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e231be70 x22: ffff0000cb8ca820 x21: ffff0000e231be98 x20: ffff0000d8736068 x19: ffff0000d8736000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 187846 hardirqs last enabled at (187845): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (187846): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (187788): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (187786): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a0 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e231f048 x22: ffff0000c2df0820 x21: ffff0000e231f070 x20: ffff0000ecebc068 x19: ffff0000ecebc000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 191486 hardirqs last enabled at (191485): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (191486): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (191422): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (191420): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a1 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e215be70 x22: ffff0000d7c19020 x21: ffff0000e215be98 x20: ffff0000edb4a068 x19: ffff0000edb4a000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 195356 hardirqs last enabled at (195355): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (195356): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (195280): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (195278): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a2 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e215dc58 x22: ffff0000d930c020 x21: ffff0000e215dc80 x20: ffff0000cf2d8068 x19: ffff0000cf2d8000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 199394 hardirqs last enabled at (199393): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (199393): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (199394): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (199304): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (199302): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a3 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e2229690 x22: ffff0000d0269820 x21: ffff0000e22296b8 x20: ffff0000d0fb6068 x19: ffff0000d0fb6000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 203330 hardirqs last enabled at (203329): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (203329): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (203330): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (203258): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (203256): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a4 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e2175260 x22: ffff0000cd832020 x21: ffff0000e2175288 x20: ffff0000d3a44068 x19: ffff0000d3a44000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 207526 hardirqs last enabled at (207525): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (207526): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (207452): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (207450): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a5 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e222c868 x22: ffff0000da22f820 x21: ffff0000e222c890 x20: ffff0000cd62c068 x19: ffff0000cd62c000 x18: 0000000000000002 x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 211546 hardirqs last enabled at (211545): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (211545): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (211546): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (211540): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (211540): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (211527): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (211527): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (211527): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (211527): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817a6 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee0102a0 x22: ffff0000caac6820 x21: ffff0000ee0102c8 x20: ffff0000d0e86068 x19: ffff0000d0e86000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 215512 hardirqs last enabled at (215511): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (215512): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (215456): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (215454): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a7 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee012088 x22: ffff0000e8328820 x21: ffff0000ee0120b0 x20: ffff0000ed0c0068 x19: ffff0000ed0c0000 x18: 1fffe000341f0596 x17: 1fffe000341f0596 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 219038 hardirqs last enabled at (219037): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (219037): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (219038): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (218964): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (218962): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817a8 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e220a088 x22: ffff0000e832e020 x21: ffff0000e220a0b0 x20: ffff0000d5c8c068 x19: ffff0000d5c8c000 x18: 1fffe000341f0596 x17: 1fffe000341f0596 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 222746 hardirqs last enabled at (222745): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (222745): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (222746): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (222740): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (222740): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (222727): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (222727): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (222727): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (222727): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817a9 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee015260 x22: ffff0000d3200020 x21: ffff0000ee015288 x20: ffff0000d8258068 x19: ffff0000d8258000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 226794 hardirqs last enabled at (226793): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (226794): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (226722): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (226720): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817aa ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e220d260 x22: ffff0000d495b020 x21: ffff0000e220d288 x20: ffff0000c9622068 x19: ffff0000c9622000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000082c2ce4 x15: 00000000ffffffff x14: 0000000000000003 x13: 1ffff00003f38cd4 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 230606 hardirqs last enabled at (230605): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (230605): [] __schedule+0xef8/0x1bc4 kernel/sched/core.c:6401 hardirqs last disabled at (230606): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (230600): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (230600): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (230585): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (230585): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (230585): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (230585): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817ab ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee018c98 x22: ffff0000d9f69020 x21: ffff0000ee018cc0 x20: ffff0000d6ab0068 x19: ffff0000d6ab0000 x18: 0000000000000002 x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 234386 hardirqs last enabled at (234385): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (234385): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (234386): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (234326): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (234324): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817ac ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee048c98 x22: ffff0000dc157820 x21: ffff0000ee048cc0 x20: ffff0000d62b2068 x19: ffff0000d62b2000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 238212 hardirqs last enabled at (238211): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (238211): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (238212): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (238206): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (238206): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (238109): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (238109): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (238109): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (238109): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817ad ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee01aa80 x22: ffff0000c827a820 x21: ffff0000ee01aaa8 x20: ffff0000d7b9e068 x19: ffff0000d7b9e000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 242332 hardirqs last enabled at (242331): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (242332): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (242264): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (242262): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817ae ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee04d260 x22: ffff0000cd1cc820 x21: ffff0000ee04d288 x20: ffff0000d00ce068 x19: ffff0000d00ce000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 246864 hardirqs last enabled at (246863): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (246864): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (246802): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (246800): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817af ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e2320c98 x22: ffff0000d59b5820 x21: ffff0000e2320cc0 x20: ffff0000d8174068 x19: ffff0000d8174000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 250572 hardirqs last enabled at (250571): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (250571): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (250572): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (250528): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (250528): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (250517): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (250517): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (250517): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (250517): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817b0 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e2323e70 x22: ffff0000d8dfb820 x21: ffff0000e2323e98 x20: ffff0000cce1a068 x19: ffff0000cce1a000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 254342 hardirqs last enabled at (254341): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (254342): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (254270): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (254268): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817b1 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e2327048 x22: ffff0000cb463820 x21: ffff0000e2327070 x20: ffff0000d8110068 x19: ffff0000d8110000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 258386 hardirqs last enabled at (258385): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (258385): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (258386): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (258378): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (258378): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (258359): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (258359): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (258359): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (258359): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817b2 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e232aa80 x22: ffff0000d97ff820 x21: ffff0000e232aaa8 x20: ffff0000d7c3a068 x19: ffff0000d7c3a000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 262282 hardirqs last enabled at (262281): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (262281): [] __schedule+0xef8/0x1bc4 kernel/sched/core.c:6401 hardirqs last disabled at (262282): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (262216): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (262216): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (262185): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (262185): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (262185): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (262185): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817b3 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee01c868 x22: ffff0000cae97820 x21: ffff0000ee01c890 x20: ffff0000eddf6068 x19: ffff0000eddf6000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 266100 hardirqs last enabled at (266099): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (266100): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (266026): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (266024): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817b4 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e232f048 x22: ffff0000dc0ea020 x21: ffff0000e232f070 x20: ffff0000edca6068 x19: ffff0000edca6000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff8000082c2ce4 x15: 00000000ffffffff x14: 0000000000000003 x13: 1ffff00003f38cd4 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 269974 hardirqs last enabled at (269973): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (269973): [] __schedule+0xef8/0x1bc4 kernel/sched/core.c:6401 hardirqs last disabled at (269974): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (269968): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (269968): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (269951): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (269951): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (269951): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (269951): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817b5 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee01f048 x22: ffff0000ce8ee020 x21: ffff0000ee01f070 x20: ffff0000e8acc068 x19: ffff0000e8acc000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 274092 hardirqs last enabled at (274091): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (274092): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (274032): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (274030): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817b6 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000de411690 x22: ffff0000ed8ff820 x21: ffff0000de4116b8 x20: ffff0000e88d6068 x19: ffff0000e88d6000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 277684 hardirqs last enabled at (277683): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (277684): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (277634): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (277632): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817b7 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000de414868 x22: ffff0000d3e4b820 x21: ffff0000de414890 x20: ffff0000d82ca068 x19: ffff0000d82ca000 x18: 1fffe000341f0596 x17: 1fffe000341f0596 x16: ffff8000082c2ce4 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe00019b028aa x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000823799c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 281820 hardirqs last enabled at (281819): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (281819): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (281820): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (281814): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (281814): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (281793): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (281793): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (281793): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (281793): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817b8 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e2388c98 x22: ffff0000edf98820 x21: ffff0000e2388cc0 x20: ffff0000c90d8068 x19: ffff0000c90d8000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 285646 hardirqs last enabled at (285645): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (285646): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (285572): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (285570): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817b9 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e20c3478 x22: ffff0000d66aa820 x21: ffff0000e20c34a0 x20: ffff0000d73ae068 x19: ffff0000d73ae000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 289746 hardirqs last enabled at (289745): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (289746): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (289704): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (289704): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (289687): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (289687): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (289687): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (289687): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817ba ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e238b478 x22: ffff0000d48de820 x21: ffff0000e238b4a0 x20: ffff0000d7c00068 x19: ffff0000d7c00000 x18: 0000000000000002 x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 293614 hardirqs last enabled at (293613): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (293613): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (293614): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (293608): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (293608): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (293597): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (293597): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (293597): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (293597): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817bb ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e20c6650 x22: ffff0000dc030820 x21: ffff0000e20c6678 x20: ffff0000d5744068 x19: ffff0000d5744000 x18: 1fffe000341f4796 x17: 1fffe000341f4796 x16: ffff80001125f020 x15: ffff80001433ed40 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 297340 hardirqs last enabled at (297339): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (297339): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (297340): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (297334): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (297334): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (297323): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (297323): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (297323): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (297323): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817bc ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e212f048 x22: ffff0000cf780820 x21: ffff0000e212f070 x20: ffff0000ec4d2068 x19: ffff0000ec4d2000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 300818 hardirqs last enabled at (300817): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (300818): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (300752): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (300750): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817bd ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e212be70 x22: ffff0000c8923820 x21: ffff0000e212be98 x20: ffff0000c109e068 x19: ffff0000c109e000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 304616 hardirqs last enabled at (304615): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (304616): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (304556): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (304554): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817be ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee020c98 x22: ffff0000d4f57020 x21: ffff0000ee020cc0 x20: ffff0000e88e4068 x19: ffff0000e88e4000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 308278 hardirqs last enabled at (308277): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (308278): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (308204): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (308202): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817bf ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000dcf39690 x22: ffff0000d1ca3020 x21: ffff0000dcf396b8 x20: ffff0000c1934068 x19: ffff0000c1934000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 311818 hardirqs last enabled at (311817): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (311817): [] __schedule+0xef8/0x1bc4 kernel/sched/core.c:6401 hardirqs last disabled at (311818): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (311752): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (311750): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817c0 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee02f048 x22: ffff0000d09bb020 x21: ffff0000ee02f070 x20: ffff0000d082c068 x19: ffff0000d082c000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 315548 hardirqs last enabled at (315547): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (315548): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (315492): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (315490): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817c1 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000dcf3c868 x22: ffff0000d634f020 x21: ffff0000dcf3c890 x20: ffff0000cb0ca068 x19: ffff0000cb0ca000 x18: 0000000000000002 x17: 0000000040000000 x16: ffff80001125f020 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 319632 hardirqs last enabled at (319631): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] hardirqs last enabled at (319631): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:4803 hardirqs last disabled at (319632): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (319626): [] softirq_handle_end kernel/softirq.c:419 [inline] softirqs last enabled at (319626): [] handle_softirqs+0xa40/0xbe4 kernel/softirq.c:604 softirqs last disabled at (319609): [] __do_softirq kernel/softirq.c:610 [inline] softirqs last disabled at (319609): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (319609): [] invoke_softirq kernel/softirq.c:457 [inline] softirqs last disabled at (319609): [] __irq_exit_rcu+0x240/0x43c kernel/softirq.c:659 ---[ end trace 663eed04a85817c2 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e21da088 x22: ffff0000d96e2820 x21: ffff0000e21da0b0 x20: ffff0000c299a068 x19: ffff0000c299a000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 323186 hardirqs last enabled at (323185): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (323186): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (323112): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (323110): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817c3 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e21ddc58 x22: ffff0000dca2b820 x21: ffff0000e21ddc80 x20: ffff0000cbd80068 x19: ffff0000cbd80000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 327188 hardirqs last enabled at (327187): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (327188): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (327120): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (327118): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817c4 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000e21d9690 x22: ffff0000cea26020 x21: ffff0000e21d96b8 x20: ffff0000c9964068 x19: ffff0000c9964000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 330716 hardirqs last enabled at (330715): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (330716): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (330644): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (330642): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817c5 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 1 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 1 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee02aa80 x22: ffff0000dd734020 x21: ffff0000ee02aaa8 x20: ffff0000ccb74068 x19: ffff0000ccb74000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f5ed7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0fa3d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 334662 hardirqs last enabled at (334661): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (334662): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (334600): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (334598): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817c6 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1426: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] WARNING: CPU: 0 PID: 4737 at fs/ext4/xattr.c:1427 ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 Modules linked in: CPU: 0 PID: 4737 Comm: syz-executor Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] pc : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] pc : ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1425 [inline] lr : ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] lr : ext4_xattr_set_entry+0x11f8/0x2e50 fs/ext4/xattr.c:1673 sp : ffff80001f9c6f80 x29: ffff80001f9c71c0 x28: ffff700003f38e18 x27: ffff80001f9c72f8 x26: dfff800000000000 x25: 1ffff00003f38e9b x24: 1ffff00003f38e5f x23: ffff0000ee029690 x22: ffff0000d9bea020 x21: ffff0000ee0296b8 x20: ffff0000d975c068 x19: ffff0000d975c000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001125f020 x15: 00000000ffffffff x14: 0000000000000001 x13: 1fffe000341f1cd7 x12: 0000000000ff0100 x11: 0000000000000000 x10: 0000000000000000 x9 : 77851740770a1e00 x8 : 00000000000000f8 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001f9c6758 x4 : ffff80001437f3e0 x3 : ffff80000a75f10c x2 : ffff0001a0f82d50 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:-1 [inline] ext4_xattr_inode_lookup_create fs/ext4/xattr.c:1545 [inline] ext4_xattr_set_entry+0x11fc/0x2e50 fs/ext4/xattr.c:1673 ext4_xattr_block_set+0x524/0x267c fs/ext4/xattr.c:1993 ext4_xattr_move_to_block fs/ext4/xattr.c:2618 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2693 [inline] ext4_expand_extra_isize_ea+0xd54/0x14f0 fs/ext4/xattr.c:2781 __ext4_expand_extra_isize+0x298/0x358 fs/ext4/inode.c:5924 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline] __ext4_mark_inode_dirty+0x434/0x79c fs/ext4/inode.c:6045 ext4_dirty_inode+0xd0/0x100 fs/ext4/inode.c:6077 __mark_inode_dirty+0x2b0/0xf8c fs/fs-writeback.c:2480 mark_inode_dirty_sync include/linux/fs.h:2473 [inline] iput+0x1b0/0x764 fs/inode.c:1792 dentry_unlink_inode+0x360/0x438 fs/dcache.c:380 __dentry_kill+0x320/0x598 fs/dcache.c:586 shrink_dentry_list+0x400/0x7b8 fs/dcache.c:1181 shrink_dcache_parent+0xb4/0x364 fs/dcache.c:-1 do_one_tree+0x2c/0xf0 fs/dcache.c:1662 shrink_dcache_for_umount+0x68/0x114 fs/dcache.c:1679 generic_shutdown_super+0x68/0x2f0 fs/super.c:447 kill_block_super+0x70/0xdc fs/super.c:1427 deactivate_locked_super+0xb8/0x134 fs/super.c:335 deactivate_super+0xf0/0x110 fs/super.c:366 cleanup_mnt+0x3b8/0x46c fs/namespace.c:1148 __cleanup_mnt+0x20/0x30 fs/namespace.c:1155 task_work_run+0x12c/0x1d8 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x2450/0x309c arch/arm64/kernel/signal.c:949 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xf0/0x1d0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 339164 hardirqs last enabled at (339163): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:257 hardirqs last disabled at (339164): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (339102): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (339100): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18 ---[ end trace 663eed04a85817c7 ]---