EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000dcc36ca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001b986d94 x24: ffff0000dcc36c78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d7e20068 x19: ffff0000d7e20000 x18: 00000000ffffffff x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 165524 hardirqs last enabled at (165523): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (165524): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (165516): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (165514): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_expand_extra_isize_ea:2857: Unable to expand inode 12. Delete some EAs or run e2fsck. EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62d9600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc5b2c0 x24: ffff0000e62d95d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6578068 x19: ffff0000d6578000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 172318 hardirqs last enabled at (172317): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (172317): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (172318): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (172308): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (172306): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f786b2e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef0d65c x24: ffff0000f786b2b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dfc66068 x19: ffff0000dfc66000 x18: 1fffe00033781890 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 178174 hardirqs last enabled at (178173): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (178174): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (178166): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (178164): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f786d960 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef0db2c x24: ffff0000f786d938 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dd112068 x19: ffff0000dd112000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 186566 hardirqs last enabled at (186565): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (186565): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (186566): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (186562): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (186562): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (186469): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62dbc80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc5b790 x24: ffff0000e62dbc58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d2700068 x19: ffff0000d2700000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 192196 hardirqs last enabled at (192195): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (192195): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (192196): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (192186): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (192184): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs w EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62de300 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc5bc60 x24: ffff0000e62de2d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000da118068 x19: ffff0000da118000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 197498 hardirqs last enabled at (197497): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (197497): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (197498): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (197488): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (197486): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7908c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2118c x24: ffff0000f7908c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000de6de068 x19: ffff0000de6de000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 202918 hardirqs last enabled at (202917): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (202918): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (202910): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (202908): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f790b2e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2165c x24: ffff0000f790b2b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000da2b4068 x19: ffff0000da2b4000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 209238 hardirqs last enabled at (209237): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (209237): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (209238): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (209228): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (209226): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7854620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef0a8c4 x24: ffff0000f78545f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c8456068 x19: ffff0000c8456000 x18: 00000000ffffffff x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 215234 hardirqs last enabled at (215233): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (215233): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (215234): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (215224): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (215222): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f790d960 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef21b2c x24: ffff0000f790d938 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db350068 x19: ffff0000db350000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 221324 hardirqs last enabled at (221323): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (221323): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (221324): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (221314): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (221312): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f79002c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef20058 x24: ffff0000f7900298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ce7bc068 x19: ffff0000ce7bc000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 228226 hardirqs last enabled at (228225): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (228226): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (228218): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (228216): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7856ca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef0ad94 x24: ffff0000f7856c78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0eee068 x19: ffff0000d0eee000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 233740 hardirqs last enabled at (233739): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (233739): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (233740): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (233730): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (233728): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba1600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef742c0 x24: ffff0000f7ba15d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d82c0068 x19: ffff0000d82c0000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 240526 hardirqs last enabled at (240525): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (240526): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (240516): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (240514): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7902940 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef20528 x24: ffff0000f7902918 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c3486068 x19: ffff0000c3486000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c7a4 x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000cda x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 246710 hardirqs last enabled at (246709): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (246710): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (246702): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (246700): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7904fc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef209f8 x24: ffff0000f7904f98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dd3ca068 x19: ffff0000dd3ca000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 252336 hardirqs last enabled at (252335): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (252336): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (252328): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (252326): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7907640 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef20ec8 x24: ffff0000f7907618 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c7e8e068 x19: ffff0000c7e8e000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c7a4 x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000d8c x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 257700 hardirqs last enabled at (257699): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (257700): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (257692): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (257690): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62c1fa0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc583f4 x24: ffff0000e62c1f78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c73da068 x19: ffff0000c73da000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 264050 hardirqs last enabled at (264049): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (264049): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (264050): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (264040): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (264038): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62c4620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc588c4 x24: ffff0000e62c45f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c645a068 x19: ffff0000c645a000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 270172 hardirqs last enabled at (270171): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (270171): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (270172): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (270162): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (270160): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62c6ca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc58d94 x24: ffff0000e62c6c78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c60aa068 x19: ffff0000c60aa000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 275920 hardirqs last enabled at (275919): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (275919): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (275920): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (275910): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (275908): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7961600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2c2c0 x24: ffff0000f79615d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9aa2068 x19: ffff0000c9aa2000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 282134 hardirqs last enabled at (282133): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (282134): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (282126): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (282124): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7963c80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2c790 x24: ffff0000f7963c58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9164068 x19: ffff0000c9164000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c7a4 x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000e4d x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 289098 hardirqs last enabled at (289097): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (289098): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (289090): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (289088): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7966300 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2cc60 x24: ffff0000f79662d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ca5ea068 x19: ffff0000ca5ea000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c7a4 x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000ea6 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 296062 hardirqs last enabled at (296061): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (296062): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (296054): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (296052): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7928c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2518c x24: ffff0000f7928c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c3204068 x19: ffff0000c3204000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c7a4 x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000eff x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 301352 hardirqs last enabled at (301351): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (301352): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (301344): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (301342): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba2940 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef74528 x24: ffff0000f7ba2918 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cbada068 x19: ffff0000cbada000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 306732 hardirqs last enabled at (306731): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (306732): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (306724): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (306722): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f792c620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef258c4 x24: ffff0000f792c5f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cce4e068 x19: ffff0000cce4e000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c7a4 x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000fb1 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 312126 hardirqs last enabled at (312125): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (312126): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (312118): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (312116): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f792eca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef25d94 x24: ffff0000f792ec78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d99c8068 x19: ffff0000d99c8000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 317382 hardirqs last enabled at (317381): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (317381): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (317382): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (317372): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (317370): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba4fc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef749f8 x24: ffff0000f7ba4f98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d829c068 x19: ffff0000d829c000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 322560 hardirqs last enabled at (322559): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (322559): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (322560): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (322550): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (322548): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e6121600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc242c0 x24: ffff0000e61215d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e118c068 x19: ffff0000e118c000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 329078 hardirqs last enabled at (329077): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (329077): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (329078): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (329068): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (329066): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e6123c80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc24790 x24: ffff0000e6123c58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e267e068 x19: ffff0000e267e000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 335020 hardirqs last enabled at (335019): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (335020): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (335012): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (335010): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e6126300 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc24c60 x24: ffff0000e61262d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cfb4c068 x19: ffff0000cfb4c000 x18: 0000000000000000 x17: 6572203a38373431 x16: ffff800082e5c7a4 x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000c62 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 341524 hardirqs last enabled at (341523): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (341524): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (341520): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (341520): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (341505): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e61d0c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc3a18c x24: ffff0000e61d0c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dee9a068 x19: ffff0000dee9a000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 347100 hardirqs last enabled at (347099): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (347099): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (347100): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (347090): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (347088): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e61d32e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc3a65c x24: ffff0000e61d32b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000f6a32068 x19: ffff0000f6a32000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 353786 hardirqs last enabled at (353785): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (353786): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (353778): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (353776): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba7640 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef74ec8 x24: ffff0000f7ba7618 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d53a4068 x19: ffff0000d53a4000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 358868 hardirqs last enabled at (358867): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (358867): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (358868): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (358858): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (358856): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000dcc39fa0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001b9873f4 x24: ffff0000dcc39f78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d192a068 x19: ffff0000d192a000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 364084 hardirqs last enabled at (364083): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (364083): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (364084): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (364074): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (364072): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000dcc3c620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001b9878c4 x24: ffff0000dcc3c5f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9f92068 x19: ffff0000c9f92000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 370140 hardirqs last enabled at (370139): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (370139): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (370140): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (370130): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (370128): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: re EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e61d4620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc3a8c4 x24: ffff0000e61d45f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d0ea0068 x19: ffff0000d0ea0000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 376018 hardirqs last enabled at (376017): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (376017): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (376018): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (376008): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (376006): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba82c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef75058 x24: ffff0000f7ba8298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d47b0068 x19: ffff0000d47b0000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 381482 hardirqs last enabled at (381481): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (381481): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (381482): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (381472): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (381470): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e61d5960 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc3ab2c x24: ffff0000e61d5938 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ddb6c068 x19: ffff0000ddb6c000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 386802 hardirqs last enabled at (386801): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (386802): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (386794): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (386792): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f79482c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef29058 x24: ffff0000f7948298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4e4e068 x19: ffff0000d4e4e000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 391822 hardirqs last enabled at (391821): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (391821): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (391822): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (391812): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (391810): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7babc80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef75790 x24: ffff0000f7babc58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d7cdc068 x19: ffff0000d7cdc000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 396892 hardirqs last enabled at (396891): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (396891): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (396892): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (396882): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (396880): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7bacfc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef759f8 x24: ffff0000f7bacf98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d337e068 x19: ffff0000d337e000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 402726 hardirqs last enabled at (402725): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (402725): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (402726): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (402716): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (402714): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f794a940 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef29528 x24: ffff0000f794a918 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ef04e068 x19: ffff0000ef04e000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 408064 hardirqs last enabled at (408063): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (408063): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (408064): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (408054): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (408052): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f786bc80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef0d790 x24: ffff0000f786bc58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1346068 x19: ffff0000d1346000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 413338 hardirqs last enabled at (413337): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (413337): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (413338): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (413328): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (413326): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000dcc37640 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001b986ec8 x24: ffff0000dcc37618 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d892c068 x19: ffff0000d892c000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 418432 hardirqs last enabled at (418431): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (418431): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (418432): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (418422): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (418420): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7b38c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef6718c x24: ffff0000f7b38c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d6098068 x19: ffff0000d6098000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 424196 hardirqs last enabled at (424195): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (424195): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (424196): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (424186): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (424184): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7b3b2e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef6765c x24: ffff0000f7b3b2b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9be8068 x19: ffff0000c9be8000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 431190 hardirqs last enabled at (431189): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (431189): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (431190): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (431180): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (431178): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7b3d960 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef67b2c x24: ffff0000f7b3d938 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cdc48068 x19: ffff0000cdc48000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 436556 hardirqs last enabled at (436555): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (436556): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (436548): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (436546): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e15402c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a8058 x24: ffff0000e1540298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dbf2c068 x19: ffff0000dbf2c000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 442744 hardirqs last enabled at (442743): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (442744): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (442736): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (442734): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f794cfc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef299f8 x24: ffff0000f794cf98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dc1d8068 x19: ffff0000dc1d8000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 448186 hardirqs last enabled at (448185): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (448186): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (448178): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (448176): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e1541600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a82c0 x24: ffff0000e15415d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dabf0068 x19: ffff0000dabf0000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 453868 hardirqs last enabled at (453867): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (453868): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (453860): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (453858): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f786eca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef0dd94 x24: ffff0000f786ec78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ca524068 x19: ffff0000ca524000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 459454 hardirqs last enabled at (459453): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (459454): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (459446): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (459444): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f786c620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef0d8c4 x24: ffff0000f786c5f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cf8f2068 x19: ffff0000cf8f2000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 464778 hardirqs last enabled at (464777): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (464777): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (464778): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (464768): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (464766): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e1542940 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a8528 x24: ffff0000e1542918 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d9640068 x19: ffff0000d9640000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 471524 hardirqs last enabled at (471523): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (471524): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (471516): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (471514): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e1544fc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a89f8 x24: ffff0000e1544f98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d2b26068 x19: ffff0000d2b26000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 478210 hardirqs last enabled at (478209): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (478209): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (478210): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (478200): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (478198): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62db2e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc5b65c x24: ffff0000e62db2b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d96a8068 x19: ffff0000d96a8000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 484218 hardirqs last enabled at (484217): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (484218): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (484210): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (484208): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62d8c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc5b18c x24: ffff0000e62d8c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cb3d8068 x19: ffff0000cb3d8000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 489524 hardirqs last enabled at (489523): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (489523): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (489524): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (489514): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (489512): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e1547640 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a8ec8 x24: ffff0000e1547618 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c7a46068 x19: ffff0000c7a46000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 494610 hardirqs last enabled at (494609): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (494610): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (494602): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (494600): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7904620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef208c4 x24: ffff0000f79045f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d462c068 x19: ffff0000d462c000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 500124 hardirqs last enabled at (500123): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (500123): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (500124): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (500114): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (500112): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62c1600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc582c0 x24: ffff0000e62c15d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c6b30068 x19: ffff0000c6b30000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 505802 hardirqs last enabled at (505801): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (505801): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (505802): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (505792): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (505790): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7901fa0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef203f4 x24: ffff0000f7901f78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e03f0068 x19: ffff0000e03f0000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 511264 hardirqs last enabled at (511263): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (511263): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (511264): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (511254): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (511252): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62c6ca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc58d94 x24: ffff0000e62c6c78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c89b4068 x19: ffff0000c89b4000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 516896 hardirqs last enabled at (516895): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (516895): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (516896): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (516886): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (516884): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7900c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2018c x24: ffff0000f7900c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9e30068 x19: ffff0000c9e30000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 523234 hardirqs last enabled at (523233): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (523233): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (523234): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (523230): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (523230): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (523211): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62c4620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc588c4 x24: ffff0000e62c45f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c90fc068 x19: ffff0000c90fc000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 528816 hardirqs last enabled at (528815): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (528816): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (528808): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (528806): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62c02c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc58058 x24: ffff0000e62c0298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ccd8e068 x19: ffff0000ccd8e000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 534374 hardirqs last enabled at (534373): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (534373): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (534374): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (534364): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (534362): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba02c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef74058 x24: ffff0000f7ba0298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d7496068 x19: ffff0000d7496000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 539458 hardirqs last enabled at (539457): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (539457): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (539458): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (539448): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (539446): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7966ca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2cd94 x24: ffff0000f7966c78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000de5b6068 x19: ffff0000de5b6000 x18: 00000000ffffffff x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 544664 hardirqs last enabled at (544663): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (544664): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (544656): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (544654): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba4fc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef749f8 x24: ffff0000f7ba4f98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dae42068 x19: ffff0000dae42000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 550110 hardirqs last enabled at (550109): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (550110): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (550102): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (550100): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f792f640 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef25ec8 x24: ffff0000f792f618 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cecc6068 x19: ffff0000cecc6000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 555304 hardirqs last enabled at (555303): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (555303): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (555304): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (555294): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (555292): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7964620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2c8c4 x24: ffff0000f79645f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ccf6a068 x19: ffff0000ccf6a000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 560814 hardirqs last enabled at (560813): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (560813): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (560814): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (560804): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (560802): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7961fa0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2c3f4 x24: ffff0000f7961f78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cb560068 x19: ffff0000cb560000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 565878 hardirqs last enabled at (565877): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (565877): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (565878): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (565868): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (565866): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e6125960 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc24b2c x24: ffff0000e6125938 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9b62068 x19: ffff0000c9b62000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 571182 hardirqs last enabled at (571181): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (571181): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (571182): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (571172): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (571170): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e6124fc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc249f8 x24: ffff0000e6124f98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d106a068 x19: ffff0000d106a000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 577062 hardirqs last enabled at (577061): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (577061): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (577062): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (577052): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (577050): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f792c620 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef258c4 x24: ffff0000f792c5f8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d13e8068 x19: ffff0000d13e8000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 582304 hardirqs last enabled at (582303): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (582304): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (582296): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (582294): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e6122940 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc24528 x24: ffff0000e6122918 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c9110068 x19: ffff0000c9110000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 587682 hardirqs last enabled at (587681): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (587681): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (587682): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (587672): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (587670): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e61202c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc24058 x24: ffff0000e6120298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d15be068 x19: ffff0000d15be000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 592862 hardirqs last enabled at (592861): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (592861): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (592862): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (592852): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (592850): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f79282c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef25058 x24: ffff0000f7928298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cfa54068 x19: ffff0000cfa54000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 599344 hardirqs last enabled at (599343): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (599343): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (599344): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (599334): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (599332): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000dcc3d960 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001b987b2c x24: ffff0000dcc3d938 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d53f6068 x19: ffff0000d53f6000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 605106 hardirqs last enabled at (605105): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (605105): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (605106): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (605096): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (605094): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000dcc3b2e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001b98765c x24: ffff0000dcc3b2b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e12cc068 x19: ffff0000e12cc000 x18: 0000000000000000 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 611090 hardirqs last enabled at (611089): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (611090): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (611082): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (611080): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e61d3c80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc3a790 x24: ffff0000e61d3c58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cba98068 x19: ffff0000cba98000 x18: 0000000000000000 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 616234 hardirqs last enabled at (616233): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (616234): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (616226): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (616224): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000dcc38c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001b98718c x24: ffff0000dcc38c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000df0f4068 x19: ffff0000df0f4000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 621700 hardirqs last enabled at (621699): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (621700): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (621692): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (621690): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7948c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef2918c x24: ffff0000f7948c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d79e4068 x19: ffff0000d79e4000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 626778 hardirqs last enabled at (626777): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (626777): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (626778): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (626768): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (626766): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7ba6ca0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef74d94 x24: ffff0000f7ba6c78 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cb858068 x19: ffff0000cb858000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 632414 hardirqs last enabled at (632413): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (632414): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (632406): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (632404): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e61d1600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc3a2c0 x24: ffff0000e61d15d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d722c068 x19: ffff0000d722c000 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 637904 hardirqs last enabled at (637903): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (637903): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (637904): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (637894): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (637892): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62582c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc4b058 x24: ffff0000e6258298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000df09c068 x19: ffff0000df09c000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 643220 hardirqs last enabled at (643219): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (643220): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (643212): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (643210): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e625a940 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc4b528 x24: ffff0000e625a918 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000e12ae068 x19: ffff0000e12ae000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 649262 hardirqs last enabled at (649261): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (649262): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (649254): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (649252): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e625cfc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc4b9f8 x24: ffff0000e625cf98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d3472068 x19: ffff0000d3472000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 654174 hardirqs last enabled at (654173): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (654174): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (654166): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (654164): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e625f640 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc4bec8 x24: ffff0000e625f618 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000db18a068 x19: ffff0000db18a000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 659644 hardirqs last enabled at (659643): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (659644): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (659636): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (659634): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7b3a940 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef67528 x24: ffff0000f7b3a918 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d631a068 x19: ffff0000d631a000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 664736 hardirqs last enabled at (664735): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (664736): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (664728): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (664726): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7b3d960 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef67b2c x24: ffff0000f7b3d938 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000ddc8a068 x19: ffff0000ddc8a000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 669832 hardirqs last enabled at (669831): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (669832): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (669824): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (669822): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7949600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef292c0 x24: ffff0000f79495d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d69ce068 x19: ffff0000d69ce000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 675016 hardirqs last enabled at (675015): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (675016): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (675008): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (675006): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7b3b2e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef6765c x24: ffff0000f7b3b2b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cfd1a068 x19: ffff0000cfd1a000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 680660 hardirqs last enabled at (680659): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (680660): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (680652): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (680650): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7b38c60 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef6718c x24: ffff0000f7b38c38 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4306068 x19: ffff0000d4306000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 686196 hardirqs last enabled at (686195): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (686195): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (686196): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (686186): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (686184): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f790e300 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef21c60 x24: ffff0000f790e2d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000dd3c6068 x19: ffff0000dd3c6000 x18: 1fffe0003377d090 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 691252 hardirqs last enabled at (691251): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (691251): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (691252): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (691242): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (691240): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f790bc80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef21790 x24: ffff0000f790bc58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d1ca8068 x19: ffff0000d1ca8000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 696812 hardirqs last enabled at (696811): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (696812): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (696804): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (696802): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000f7909600 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001ef212c0 x24: ffff0000f79095d8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000c2c2c068 x19: ffff0000c2c2c000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 701888 hardirqs last enabled at (701887): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (701888): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (701880): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (701878): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e1544fc0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a89f8 x24: ffff0000e1544f98 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000cca50068 x19: ffff0000cca50000 x18: 1fffe0003377d090 x17: 6572203a38373431 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff800080575c38 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 706864 hardirqs last enabled at (706863): [] irqentry_exit+0x1b4/0x2f4 kernel/entry/common.c:219 hardirqs last disabled at (706864): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (706856): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (706854): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e15432e0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a865c x24: ffff0000e15432b8 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d35a8068 x19: ffff0000d35a8000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 713222 hardirqs last enabled at (713221): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (713221): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (713222): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (713212): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (713210): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e15402c0 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001c2a8058 x24: ffff0000e1540298 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4be8068 x19: ffff0000d4be8000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 720114 hardirqs last enabled at (720113): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (720113): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (720114): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (720104): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (720102): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#1: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#1: syz-executor/7105 Modules linked in: CPU: 1 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] pc : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 lr : ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] lr : ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 sp : ffff80009fe07100 x29: ffff80009fe07260 x28: ffff0000e62dbc80 x27: 0000000000000001 x26: 0000000000000000 x25: 1fffe0001cc5b790 x24: ffff0000e62dbc58 x23: ffff700013fc0e34 x22: 0000000000000000 x21: dfff800000000000 x20: ffff0000d4a1e068 x19: ffff0000d4a1e000 x18: 1fffe00033781890 x17: ffff80008f86e000 x16: ffff800082e5c71c x15: 0000000000000001 x14: 1ffff00013fc0d74 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013fc0d75 x10: 0000000000ff0100 x9 : e599019558f20900 x8 : e599019558f20900 x7 : ffff80008049e510 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000807f0b34 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000066 Call trace: ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline] (P) ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597 (P) ext4_xattr_block_set+0x1bc/0x24bc fs/ext4/xattr.c:1917 ext4_xattr_move_to_block fs/ext4/xattr.c:2668 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2743 [inline] ext4_expand_extra_isize_ea+0xeb8/0x1830 fs/ext4/xattr.c:2831 __ext4_expand_extra_isize+0x2a0/0x37c fs/ext4/inode.c:6349 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6392 [inline] __ext4_mark_inode_dirty+0x3a8/0x6fc fs/ext4/inode.c:6470 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6502 __mark_inode_dirty+0x358/0x15bc fs/fs-writeback.c:2587 mark_inode_dirty_sync include/linux/fs.h:2200 [inline] iput+0x36c/0xfdc fs/inode.c:1984 dentry_unlink_inode+0x384/0x45c fs/dcache.c:467 __dentry_kill+0x170/0x594 fs/dcache.c:670 shrink_kill+0xd4/0x2cc fs/dcache.c:1137 shrink_dentry_list+0x31c/0x6cc fs/dcache.c:1164 shrink_dcache_tree+0xc0/0x290 fs/dcache.c:-1 do_one_tree+0x30/0xf4 fs/dcache.c:1644 shrink_dcache_for_umount+0xa0/0x168 fs/dcache.c:1661 generic_shutdown_super+0x68/0x2b8 fs/super.c:621 kill_block_super+0x44/0x90 fs/super.c:1722 ext4_kill_sb+0x68/0xa4 fs/ext4/super.c:7444 deactivate_locked_super+0xc4/0x12c fs/super.c:474 deactivate_super+0xe0/0x100 fs/super.c:507 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1318 __cleanup_mnt+0x20/0x30 fs/namespace.c:1325 task_work_run+0x1dc/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0x10c/0x18c kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] exit_to_user_mode_prepare_legacy include/linux/irq-entry-common.h:242 [inline] arm64_exit_to_user_mode arch/arm64/kernel/entry-common.c:81 [inline] el0_svc+0x17c/0x26c arch/arm64/kernel/entry-common.c:725 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 725264 hardirqs last enabled at (725263): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] hardirqs last enabled at (725263): [] finish_lock_switch+0xb0/0x1c0 kernel/sched/core.c:4995 hardirqs last disabled at (725264): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (725254): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (725252): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- EXT4-fs warning (device loop0): ext4_xattr_inode_create:1478: refuse to create EA inode when umounting ------------[ cut here ]------------ WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_create fs/ext4/xattr.c:1477 [inline], CPU#0: syz-executor/7105 WARNING: fs/ext4/xattr.c:1479 at ext4_xattr_inode_lookup_create+0x874/0x17ac fs/ext4/xattr.c:1597, CPU#0: syz-executor/7105 Modules linked in: CPU: 0 UID: 0 PID: 7105 Comm: syz-executor Tainted: G W syzkaller #0 PREEMPT Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025