loop4: detected capacity change from 0 to 512 EXT4-fs: Ignoring removed nobh option ------------[ cut here ]------------ EA inode 11 i_nlink=1026 WARNING: CPU: 1 PID: 7578 at fs/ext4/xattr.c:1006 ext4_xattr_inode_update_ref+0x4fe/0x560 fs/ext4/xattr.c:1004 Modules linked in: CPU: 1 PID: 7578 Comm: syz.4.882 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:ffffc90003c37260 EFLAGS: 00010246 RAX: 603e4eba0e523900 RBX: ffff8880478f18b8 RCX: 0000000000080000 RDX: ffffc9000e2aa000 RSI: 000000000002a0cc RDI: 000000000002a0cd RBP: ffffc90003c37350 R08: ffff8880b8f279db R09: 1ffff110171e4f3b R10: dffffc0000000000 R11: ffffed10171e4f3c R12: ffff8880478f1700 R13: dffffc0000000000 R14: ffff8880478f16c0 R15: 0000000000000402 FS: 00007f82753a36c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b061eb7c0 CR3: 000000007a9ea000 CR4: 00000000003506e0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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: 0033:0x7f827459f34a 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:00007f82753a2e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f82753a2ee0 RCX: 00007f827459f34a RDX: 0000200000000180 RSI: 0000200000000140 RDI: 00007f82753a2ea0 RBP: 0000200000000180 R08: 00007f82753a2ee0 R09: 0000000000800718 R10: 0000000000800718 R11: 0000000000000246 R12: 0000200000000140 R13: 00007f82753a2ea0 R14: 00000000000004a3 R15: 00002000000003c0