loop2: detected capacity change from 0 to 512 ------------[ cut here ]------------ EA inode 11 i_nlink=0 WARNING: CPU: 0 PID: 4658 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 Modules linked in: CPU: 0 PID: 4658 Comm: syz.2.81 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 lr : ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 sp : ffff800021957020 x29: ffff8000219570c0 x28: 0000000000000000 x27: 1fffe0001eb1481b x26: ffff0000f58a3f20 x25: dfff800000000000 x24: ffff800021957040 x23: ffff70000432ae08 x22: ffff800017cfe000 x21: 0000000000000000 x20: 0000000000000001 x19: ffff0000f58a3ee0 x18: 1fffe00033e7ff7e x17: 0000000000000000 x16: ffff800011b3e320 x15: 0000000000000002 x14: 0000000000000001 x13: 1fffe00033e7ffa3 x12: 0000000000080000 x11: 000000000002a2f4 x10: ffff80002826a000 x9 : 55e36faa0412dd00 x8 : 55e36faa0412dd00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021956ab8 x4 : ffff800015414e60 x3 : ffff8000085404d8 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ext4_xattr_inode_update_ref+0x454/0x498 fs/ext4/xattr.c:1004 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline] ext4_xattr_inode_dec_ref_all+0x854/0xe20 fs/ext4/xattr.c:1175 ext4_xattr_delete_inode+0x890/0xa20 fs/ext4/xattr.c:2898 ext4_evict_inode+0xc70/0x1264 fs/ext4/inode.c:298 evict+0x3d8/0x824 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x728/0x7e8 fs/inode.c:1860 ext4_process_orphan+0x24c/0x2c0 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x964/0x1090 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5574 [inline] ext4_fill_super+0x5af8/0x63bc fs/ext4/super.c:5693 get_tree_bdev+0x35c/0x54c fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5723 vfs_get_tree+0x90/0x278 fs/super.c:1573 do_new_mount+0x228/0x804 fs/namespace.c:3078 path_mount+0x5ac/0xe6c fs/namespace.c:3408 do_mount fs/namespace.c:3421 [inline] __do_sys_mount fs/namespace.c:3629 [inline] __se_sys_mount fs/namespace.c:3606 [inline] __arm64_sys_mount+0x4a0/0x5a0 fs/namespace.c:3606 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 3660 hardirqs last enabled at (3659): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (3660): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3590): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3590): [] handle_softirqs+0xb1c/0xc90 kernel/softirq.c:624 softirqs last disabled at (3421): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop2): 1 orphan inode deleted EXT4-fs (loop2): mounted filesystem without journal. Quota mode: none. EXT4-fs error (device loop2): ext4_free_branches:1030: inode #13: comm syz.2.81: invalid indirect mapped block 234881024 (level 0) EXT4-fs (loop2): Remounting filesystem read-only