netlink: 8 bytes leftover after parsing attributes in process `syz.5.1022'. loop5: detected capacity change from 0 to 512 ------------[ 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#1: syz.5.1022/10477 Modules linked in: CPU: 1 UID: 0 PID: 10477 Comm: syz.5.1022 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 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 : ffff800090376f40 x29: ffff800090376fe0 x28: 0000000000000000 x27: 1fffe0001edb2409 x26: ffff0000f6d91ea0 x25: dfff800000000000 x24: ffff800090376f60 x23: ffff70001206edec x22: ffff80008a19c000 x21: 0000000000000000 x20: 0000000000000001 x19: ffff0000f6d91e60 x18: 1fffe00034bbbe28 x17: 0000000000000003 x16: ffff800088b37000 x15: ffff800088bed220 x14: ffff0001a5ddf14c x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000003 x9 : 076ab5bac8f73300 x8 : 076ab5bac8f73300 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000803b70b8 x2 : 0000000000000001 x1 : ffff0000da49d7c0 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:758 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:777 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:590 irq event stamp: 3800 hardirqs last enabled at (3799): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1673 [inline] hardirqs last enabled at (3799): [] finish_lock_switch kernel/sched/core.c:5241 [inline] hardirqs last enabled at (3799): [] finish_task_switch+0x234/0x858 kernel/sched/core.c:5359 hardirqs last disabled at (3800): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (3074): [] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698 softirqs last disabled at (3072): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (3072): [] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop5): 1 orphan inode deleted EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.