loop6: detected capacity change from 0 to 512 ------------[ cut h ------------[ cut here ]------------ EA inode 11 i_nlink=0 WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x478/0x480 fs/ext4/xattr.c:1057, CPU#1: syz.6.848/8967 Modules linked in: CPU: 1 UID: 0 PID: 8967 Comm: syz.6.848 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_xattr_inode_update_ref+0x478/0x480 fs/ext4/xattr.c:1057 lr : ext4_xattr_inode_update_ref+0x478/0x480 fs/ext4/xattr.c:1057 sp : ffff800095e26ec0 x29: ffff800095e26f60 x28: 0000000000000000 x27: 1fffe0001b99fe94 x26: dfff800000000000 x25: ffff800095e26ee0 x24: ffff700012bc4ddc x23: ffff800089f18000 x22: ffff0000dccff2f8 x21: 0000000000000000 x20: 0000000000000001 x19: ffff0000dccff2b8 x18: 1fffe00035c23420 x17: ffff8000888eb000 x16: ffff80008899dba0 x15: ffff0001ae11a10c x14: ffff0001ae11a108 x13: 0000000000000001 x12: 0000000000000000 x11: ffff80008a356d08 x10: 0000000000000003 x9 : 42b5681447245100 x8 : 42b5681447245100 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff800080154bd4 x2 : 0000000000000006 x1 : ffff0000c2a75700 x0 : 0000000000000001 Call trace: ext4_xattr_inode_update_ref+0x478/0x480 fs/ext4/xattr.c:1057 (P) ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1082 [inline] ext4_xattr_inode_dec_ref_all+0x7b4/0xb18 fs/ext4/xattr.c:1228 ext4_xattr_delete_inode+0x788/0x918 fs/ext4/xattr.c:2952 ext4_evict_inode+0xa10/0xfc4 fs/ext4/inode.c:284 evict+0x4b8/0x740 fs/inode.c:841 iput_final fs/inode.c:1960 [inline] iput+0x858/0xb90 fs/inode.c:2009 ext4_process_orphan+0x240/0x2b4 fs/ext4/orphan.c:358 ext4_orphan_cleanup+0x7b8/0xd30 fs/ext4/orphan.c:472 __ext4_fill_super fs/ext4/super.c:5701 [inline] ext4_fill_super+0x45a4/0x4d60 fs/ext4/super.c:5824 get_tree_bdev_flags+0x380/0x434 fs/super.c:1694 get_tree_bdev+0x2c/0x3c fs/super.c:1717 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5856 vfs_get_tree+0x90/0x28c fs/super.c:1754 fc_mount+0x24/0xac fs/namespace.c:1193 do_new_mount_fc fs/namespace.c:3758 [inline] do_new_mount+0x2a4/0x540 fs/namespace.c:3834 path_mount+0x5d0/0xa68 fs/namespace.c:4154 do_mount+0xe8/0x148 fs/namespace.c:4167 __do_sys_mount fs/namespace.c:4383 [inline] __se_sys_mount fs/namespace.c:4360 [inline] __arm64_sys_mount+0x334/0x380 fs/namespace.c:4360 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:740 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:759 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 1578 hardirqs last enabled at (1577): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1644 [inline] hardirqs last enabled at (1577): [] finish_lock_switch kernel/sched/core.c:5125 [inline] hardirqs last enabled at (1577): [] finish_task_switch+0x22c/0x768 kernel/sched/core.c:5243 hardirqs last disabled at (1578): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:429 softirqs last enabled at (900): [] __alloc_skb+0x1c0/0x5f8 net/core/skbuff.c:696 softirqs last disabled at (898): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (898): [] __alloc_skb+0x1a8/0x5f8 net/core/skbuff.c:695 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop6): 1 orphan inode deleted EXT4-fs (loop6): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. EXT4-fs (loop6): can't enable nombcache during remount EXT4-fs (loop6): unmounting filesystem 00000000-0000-0000-0000-000000000000.