EXT4-fs (loop0): Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
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EA inode 11 i_nlink=0
WARNING: CPU: 1 PID: 4374 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 1 PID: 4374 Comm: syz.0.33 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Code: 40 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 05 09 a2 ff 49 8b 34 24 48 c7 c7 00 97 3d 8a 44 89 fa e8 f2 df 92 07 <0f> 0b 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 24 10
RSP: 0018:ffffc900031ff180 EFLAGS: 00010246
RAX: 972245620c85ac00 RBX: ffff88805f295e50 RCX: 0000000000080000
RDX: ffffc9000e4e3000 RSI: 0000000000023281 RDI: 0000000000023282
RBP: ffffc900031ff270 R08: ffff8880b912795b R09: 1ffff11017224f2b
R10: dffffc0000000000 R11: ffffed1017224f2c R12: ffff88805f295c98
R13: dffffc0000000000 R14: ffff88805f295c58 R15: 0000000000000000
FS:  00007fac4f5fc6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007d44e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1029 [inline]
 ext4_xattr_set_entry+0xb48/0x3f70 fs/ext4/xattr.c:1687
 ext4_xattr_ibody_set+0x113/0x330 fs/ext4/xattr.c:2240
 ext4_xattr_move_to_block fs/ext4/xattr.c:2627 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2695 [inline]
 ext4_expand_extra_isize_ea+0xf0d/0x18e0 fs/ext4/xattr.c:2783
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:5924
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:5967 [inline]
 __ext4_mark_inode_dirty+0x444/0x6c0 fs/ext4/inode.c:6045
 ext4_evict_inode+0xa55/0x1050 fs/ext4/inode.c:284
 evict+0x4b6/0x8b0 fs/inode.c:647
 ext4_orphan_cleanup+0xad8/0x1320 fs/ext4/orphan.c:472
 ext4_fill_super+0x8c65/0x93f0 fs/ext4/super.c:5006
 mount_bdev+0x28a/0x3c0 fs/super.c:1400
 legacy_get_tree+0xe6/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x247/0xa40 fs/namespace.c:3034
 do_mount fs/namespace.c:3377 [inline]
 __do_sys_mount fs/namespace.c:3585 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3562
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fac513c50ca
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fac4f5fbe58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fac4f5fbee0 RCX: 00007fac513c50ca
RDX: 0000200000000180 RSI: 0000200000000000 RDI: 00007fac4f5fbea0
RBP: 0000200000000180 R08: 00007fac4f5fbee0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000000
R13: 00007fac4f5fbea0 R14: 000000000000047a R15: 00002000000001c0
 </TASK>