EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE
EXT4-fs (loop1): orphan cleanup on readonly fs
------------[ cut here ]------------
EA inode 11 i_nlink=0
WARNING: CPU: 1 PID: 4411 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004
Modules linked in:
CPU: 1 PID: 4411 Comm: syz.1.13 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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 65 e2 9b ff 49 8b 34 24 48 c7 c7 00 a0 a0 8a 44 89 fa e8 e2 3f 16 ff <0f> 0b 49 bd 00 00 00 00 00 fc ff df 4c 8b 74 24 08 4c 8b 64 24 10
RSP: 0018:ffffc9000488f260 EFLAGS: 00010246
RAX: 4b7af7703d3ac600 RBX: ffff8880548b54e8 RCX: 0000000000080000
RDX: ffffc90005289000 RSI: 000000000002be32 RDI: 000000000002be33
RBP: ffffc9000488f350 R08: ffff8880b8f279db R09: 1ffff110171e4f3b
R10: dffffc0000000000 R11: ffffed10171e4f3c R12: ffff8880548b5330
R13: dffffc0000000000 R14: ffff8880548b52f0 R15: 0000000000000000
FS:  00007f3999a4a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbbb65556c8 CR3: 000000005b149000 CR4: 00000000003506e0
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+0xb2b/0x1eb0 fs/ext4/xattr.c:1673
 ext4_xattr_ibody_set+0x25e/0x700 fs/ext4/xattr.c:2217
 ext4_xattr_move_to_block fs/ext4/xattr.c:2620 [inline]
 ext4_xattr_make_inode_space fs/ext4/xattr.c:2688 [inline]
 ext4_expand_extra_isize_ea+0x125e/0x1d40 fs/ext4/xattr.c:2776
 __ext4_expand_extra_isize+0x301/0x3e0 fs/ext4/inode.c:6003
 ext4_try_to_expand_extra_isize fs/ext4/inode.c:6046 [inline]
 __ext4_mark_inode_dirty+0x478/0x760 fs/ext4/inode.c:6124
 ext4_evict_inode+0xa67/0x10e0 fs/ext4/inode.c:281
 evict+0x4b6/0x8b0 fs/inode.c:705
 ext4_orphan_cleanup+0xc32/0x1470 fs/ext4/orphan.c:472
 __ext4_fill_super fs/ext4/super.c:5574 [inline]
 ext4_fill_super+0x6f0c/0x78f0 fs/ext4/super.c:5693
 get_tree_bdev+0x3e6/0x610 fs/super.c:1366
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x247/0xa40 fs/namespace.c:3078
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3998b9f28a
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:00007f3999a49e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f3999a49ee0 RCX: 00007f3998b9f28a
RDX: 0000200000000180 RSI: 0000200000000000 RDI: 00007f3999a49ea0
RBP: 0000200000000180 R08: 00007f3999a49ee0 R09: 000000000000001f
R10: 000000000000001f R11: 0000000000000246 R12: 0000200000000000
R13: 00007f3999a49ea0 R14: 000000000000047a R15: 00002000000001c0
 </TASK>