lo: Caught tx_queue_len zero misconfig
sch_tbf: burst 19872 is lower than device lo mtu (65550) !
loop0: detected capacity change from 0 to 512
------------[ cut here ]------------
EA inode 11 i_nlink=2
WARNING: CPU: 0 PID: 9688 at fs/ext4/xattr.c:1058 ext4_xattr_inode_update_ref+0x51a/0x570 fs/ext4/xattr.c:1056
Modules linked in:
CPU: 0 PID: 9688 Comm: syz.0.1189 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:ext4_xattr_inode_update_ref+0x51a/0x570 fs/ext4/xattr.c:1056
Code: 8d 7e 50 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 67 ee 98 ff 49 8b 37 48 c7 c7 60 c8 de 8a 89 da e8 66 8b 0a ff <0f> 0b 4c 8b 74 24 08 4c 8b 7c 24 10 e9 ab fe ff ff e8 60 2d 3c 08
RSP: 0018:ffffc9001978f2e0 EFLAGS: 00010246
RAX: 48cb7e7379b43100 RBX: 0000000000000002 RCX: 0000000000080000
RDX: ffffc900052c9000 RSI: 0000000000016690 RDI: 0000000000016691
RBP: ffffc9001978f3d0 R08: ffff8880b8e28c13 R09: 1ffff110171c5182
R10: dffffc0000000000 R11: ffffed10171c5183 R12: dffffc0000000000
R13: ffff888077794aa8 R14: ffff8880777948b0 R15: ffff888077794900
FS:  00007f512aa296c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5dee352000 CR3: 000000001cea3000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ext4_xattr_inode_dec_ref fs/ext4/xattr.c:1081 [inline]
 ext4_xattr_inode_dec_ref_all+0x9a6/0x1040 fs/ext4/xattr.c:1227
 ext4_xattr_delete_inode+0xb3e/0xd10 fs/ext4/xattr.c:2948
 ext4_evict_inode+0xaaf/0xea0 fs/ext4/inode.c:269
 evict+0x4ca/0x8d0 fs/inode.c:705
 ext4_orphan_cleanup+0xbec/0x1420 fs/ext4/orphan.c:472
 __ext4_fill_super fs/ext4/super.c:5617 [inline]
 ext4_fill_super+0x5ed3/0x6790 fs/ext4/super.c:5740
 get_tree_bdev+0x3f3/0x520 fs/super.c:1591
 vfs_get_tree+0x8c/0x280 fs/super.c:1764
 do_new_mount+0x24b/0xa40 fs/namespace.c:3386
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2e7/0x3d0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5129b9bf4a
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:00007f512aa28e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f512aa28ee0 RCX: 00007f5129b9bf4a
RDX: 0000200000000180 RSI: 0000200000000240 RDI: 00007f512aa28ea0
RBP: 0000200000000180 R08: 00007f512aa28ee0 R09: 0000000000800700
R10: 0000000000800700 R11: 0000000000000246 R12: 0000200000000240
R13: 00007f512aa28ea0 R14: 000000000000046f R15: 000000000000002c
 </TASK>