loop4: detected capacity change from 0 to 512 ------------[ cut here ]------------ EA inode 11 ref_count=-1 WARNING: CPU: 0 PID: 5564 at fs/ext4/xattr.c:1016 ext4_xattr_inode_update_ref+0x3dc/0x4ac fs/ext4/xattr.c:1015 Modules linked in: CPU: 0 PID: 5564 Comm: syz.4.324 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x3dc/0x4ac fs/ext4/xattr.c:1015 lr : ext4_xattr_inode_update_ref+0x3dc/0x4ac fs/ext4/xattr.c:1015 sp : ffff800021726fe0 x29: ffff800021727060 x28: 00000000ffffffff x27: dfff800000000000 x26: 1fffe0001c327317 x25: ffff7000042e4dfc x24: 00000000ffffffff x23: ffff800017a8b000 x22: ffff0000e1939700 x21: ffffffffffffffff x20: 0000000000000001 x19: ffff0000e19396c0 x18: ffff800011abbcc0 x17: 1fffe00033ed797e x16: ffff8000082d22d4 x15: 0000000040000000 x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100 x11: ff0080000a8935f4 x10: 0000000000000003 x9 : 6bdf13c0ffd0bf00 x8 : 6bdf13c0ffd0bf00 x7 : ffff800008251e10 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff800011abd7c0 x0 : ffff80018a6a7000 Call trace: ext4_xattr_inode_update_ref+0x3dc/0x4ac fs/ext4/xattr.c:1015 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1044 [inline] ext4_xattr_inode_dec_ref_all+0x8b4/0xd48 fs/ext4/xattr.c:1186 ext4_xattr_delete_inode+0x870/0xa00 fs/ext4/xattr.c:2914 ext4_evict_inode+0xcd0/0x1270 fs/ext4/inode.c:296 evict+0x3c8/0x810 fs/inode.c:705 iput_final fs/inode.c:1834 [inline] iput+0x764/0x7f4 fs/inode.c:1860 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:360 ext4_orphan_cleanup+0x908/0x104c fs/ext4/orphan.c:474 __ext4_fill_super fs/ext4/super.c:5537 [inline] ext4_fill_super+0x6920/0x6e34 fs/ext4/super.c:5668 get_tree_bdev+0x358/0x544 fs/super.c:1366 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5698 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x228/0x810 fs/namespace.c:3069 path_mount+0x5b4/0xe78 fs/namespace.c:3399 do_mount fs/namespace.c:3412 [inline] __do_sys_mount fs/namespace.c:3620 [inline] __se_sys_mount fs/namespace.c:3597 [inline] __arm64_sys_mount+0x49c/0x584 fs/namespace.c:3597 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 2482 hardirqs last enabled at (2481): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (2481): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5003 hardirqs last disabled at (2482): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (920): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (920): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (899): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- EXT4-fs error (device loop4): ext4_do_update_inode:5254: inode #15: comm syz.4.324: corrupted inode contents EXT4-fs error (device loop4) in ext4_orphan_del:305: Corrupt filesystem EXT4-fs error (device loop4): ext4_do_update_inode:5254: inode #15: comm syz.4.324: corrupted inode contents EXT4-fs error (device loop4): ext4_evict_inode:327: inode #15: comm syz.4.324: mark_inode_dirty error EXT4-fs (loop4): 1 orphan inode deleted EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.