EXT4-fs (loop8): orphan cleanup on readonly fs ------------[ cut here ]------------ EA inode 11 i_nlink=0 WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x480/0x488 fs/ext4/xattr.c:1057, CPU#0: syz.8.600/7719 Modules linked in: CPU: 0 UID: 0 PID: 7719 Comm: syz.8.600 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x480/0x488 fs/ext4/xattr.c:1057 lr : ext4_xattr_inode_update_ref+0x480/0x488 fs/ext4/xattr.c:1057 sp : ffff800093ad6f40 x29: ffff800093ad6fe0 x28: 0000000000000000 x27: 1fffe000201058b9 x26: ffff00010082c420 x25: dfff800000000000 x24: ffff800093ad6f60 x23: ffff70001275adec x22: ffff80008a188000 x21: 0000000000000000 x20: 0000000000000001 x19: ffff00010082c3e0 x18: 1fffe00034bb7428 x17: ffff80008a7c2000 x16: 0000000000000004 x15: ffff80008a34bda0 x14: ffff80008a5c1e28 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000080000 x9 : e3d4838aaf9a3300 x8 : e3d4838aaf9a3300 x7 : ffff80008048e8f8 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f8870 x2 : 0000000100000000 x1 : ffff0000d512d7c0 x0 : 0000000000000001 Call trace: ext4_xattr_inode_update_ref+0x480/0x488 fs/ext4/xattr.c:1057 (P) ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline] ext4_xattr_inode_dec_ref_all+0x7f0/0xb84 fs/ext4/xattr.c:1228 ext4_xattr_delete_inode+0x778/0x900 fs/ext4/xattr.c:2952 ext4_evict_inode+0xa0c/0xfb8 fs/ext4/inode.c:284 evict+0x4c0/0x74c fs/inode.c:825 iput_final fs/inode.c:2019 [inline] iput+0x8f0/0xc2c fs/inode.c:2068 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x7d4/0xd20 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5705 [inline] ext4_fill_super+0x4628/0x4e14 fs/ext4/super.c:5828 get_tree_bdev_flags+0x388/0x43c fs/super.c:1640 get_tree_bdev+0x2c/0x3c fs/super.c:1663 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5860 vfs_get_tree+0x90/0x28c fs/super.c:1700 fc_mount+0x24/0xac fs/namespace.c:1198 do_new_mount_fc fs/namespace.c:3765 [inline] do_new_mount+0x2a4/0x538 fs/namespace.c:3841 path_mount+0x5f0/0xa88 fs/namespace.c:4161 do_mount+0xe8/0x148 fs/namespace.c:4174 __do_sys_mount fs/namespace.c:4390 [inline] __se_sys_mount fs/namespace.c:4367 [inline] __arm64_sys_mount+0x33c/0x388 fs/namespace.c:4367 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:738 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:757 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590 irq event stamp: 3518 hardirqs last enabled at (3517): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (3517): [] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62 hardirqs last disabled at (3518): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425 softirqs last enabled at (3024): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (3024): [] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] softirqs last enabled at (3024): [] do_sve_acc+0x32c/0x4b8 arch/arm64/kernel/fpsimd.c:1349 softirqs last disabled at (3022): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (3022): [] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline] softirqs last disabled at (3022): [] do_sve_acc+0x10c/0x4b8 arch/arm64/kernel/fpsimd.c:1325 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop8): 1 orphan inode deleted EXT4-fs (loop8): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: none. EXT4-fs (loop8): unmounting filesystem 00000000-0000-0000-0000-000000000000.