loop1: detected capacity change from 0 to 512 EXT4-fs: Ignoring removed nobh option ------------[ cut here ]------------ EA inode 11 i_nlink=1026 WARNING: fs/ext4/xattr.c:1059 at ext4_xattr_inode_update_ref+0x480/0x488 fs/ext4/xattr.c:1057, CPU#0: syz.1.423/5942 Modules linked in: CPU: 0 UID: 0 PID: 5942 Comm: syz.1.423 Not tainted syzkaller #0 PREEMPT 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 : ffff80009b586d80 x29: ffff80009b586e30 x28: 0000000000000000 x27: 1fffe0001e843b11 x26: ffff0000f421d6e0 x25: dfff800000000000 x24: ffff80009b586da0 x23: ffff7000136b0db4 x22: ffff80008a19c000 x21: 0000000000000402 x20: 0000000000000001 x19: ffff0000f421d6a0 x18: 1fffe00034bb7428 x17: 0000000000000003 x16: ffff800088b37000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: ffff80008a5d5e28 x10: 0000000000000003 x9 : 31b81694e0e2df00 x8 : 31b81694e0e2df00 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff80008015611c x2 : 0000000000000006 x1 : ffff0000ccbb0000 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_set_entry+0x954/0x164c fs/ext4/xattr.c:1726 ext4_xattr_ibody_set+0x20c/0x4b4 fs/ext4/xattr.c:2275 ext4_xattr_move_to_block fs/ext4/xattr.c:2678 [inline] ext4_xattr_make_inode_space fs/ext4/xattr.c:2746 [inline] ext4_expand_extra_isize_ea+0xb3c/0x1384 fs/ext4/xattr.c:2834 __ext4_expand_extra_isize+0x2a4/0x378 fs/ext4/inode.c:6486 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6529 [inline] __ext4_mark_inode_dirty+0x394/0x828 fs/ext4/inode.c:6607 ext4_evict_inode+0x798/0xfb8 fs/ext4/inode.c:267 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: 2806 hardirqs last enabled at (2805): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1673 [inline] hardirqs last enabled at (2805): [] finish_lock_switch kernel/sched/core.c:5241 [inline] hardirqs last enabled at (2805): [] finish_task_switch+0x234/0x858 kernel/sched/core.c:5359 hardirqs last disabled at (2806): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:445 softirqs last enabled at (2702): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (2702): [] handle_softirqs+0xc28/0xd98 kernel/softirq.c:650 softirqs last disabled at (2691): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- EXT4-fs (loop1): 1 orphan inode deleted EXT4-fs (loop1): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback.