loop4: detected capacity change from 0 to 512
EXT4-fs warning (device loop4): ext4_xattr_inode_get:495: inode #11: comm syz.4.419: ea_inode file size=0 entry size=6
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 0 PID: 5488 at fs/ext4/xattr.c:1022 ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020
Modules linked in:
CPU: 0 PID: 5488 Comm: syz.4.419 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+0x42c/0x470 fs/ext4/xattr.c:1020
lr : ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020
sp : ffff8000215e6fc0
x29: ffff8000215e7060 x28: 0000000000000000 x27: dfff800000000000
x26: 1fffe0001c44481b x25: ffff7000042bcdfc x24: 0000000000000000
x23: ffff800017a8a000 x22: ffff0000e2223f20 x21: 0000000000000002
x20: 0000000000000001 x19: ffff0000e2223ee0 x18: ffff800011abbcc0
x17: 1fffe00033ed797e x16: ffff8000082d25b8 x15: 0000000040000000
x14: 0000000000000002 x13: 1ffff00002a180b1 x12: 0000000000ff0100
x11: ff0080000a893e94 x10: 0000000000000003 x9 : 0f27b5386169fc00
x8 : 0f27b5386169fc00 x7 : ffff800008251e80 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff800011abd7c0 x0 : ffff80018a6a7000
Call trace:
 ext4_xattr_inode_update_ref+0x42c/0x470 fs/ext4/xattr.c:1020
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1045 [inline]
 ext4_xattr_inode_dec_ref_all+0x8b4/0xd48 fs/ext4/xattr.c:1187
 ext4_xattr_delete_inode+0x870/0xa00 fs/ext4/xattr.c:2915
 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:356
 ext4_orphan_cleanup+0x908/0x104c fs/ext4/orphan.c:470
 __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:3078
 path_mount+0x5b4/0xe78 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+0x49c/0x584 fs/namespace.c:3606
 __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: 6264
hardirqs last  enabled at (6263): [<ffff800008251f14>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline]
hardirqs last  enabled at (6263): [<ffff800008251f14>] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5003
hardirqs last disabled at (6264): [<ffff80001195c1f0>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (5336): [<ffff8000080309e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (5334): [<ffff8000080309ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
EXT4-fs (loop4): 1 orphan inode deleted
EXT4-fs (loop4): mounted filesystem without journal. Quota mode: none.