loop2: detected capacity change from 0 to 1024
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(!test_bit(class_idx, lock_classes_in_use))
WARNING: kernel/locking/lockdep.c:5207 at __lock_acquire+0x183b/0x2890 kernel/locking/lockdep.c:5207, CPU#0: syz.2.15272/17180
Modules linked in:
CPU: 0 UID: 0 PID: 17180 Comm: syz.2.15272 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__lock_acquire+0x1842/0x2890 kernel/locking/lockdep.c:5207
Code: 89 0e 03 85 c0 74 0d 83 3d ba 4a ef 0e 00 0f 84 e7 0a 00 00 90 31 c0 e9 5a fa ff ff 48 8d 3d 55 65 f2 0e 48 c7 c6 78 b3 bd 8d <67> 48 0f b9 3a e9 b4 ec ff ff 44 8b 0d 8d 4a ef 0e 45 85 c9 0f 85
RSP: 0018:ffffc900203cf6f0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffc9000d3d9000
RDX: 0000000000080000 RSI: ffffffff8dbdb378 RDI: ffffffff908c4c00
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888047dd4830 R12: ffff888047dd3d00
R13: 0000000000000004 R14: ffff888047dd4830 R15: 0000000000000001
FS:  00007fc5673f66c0(0000) GS:ffff8881248f2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000005140 CR3: 000000007c48e000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lock_acquire kernel/locking/lockdep.c:5868 [inline]
 lock_acquire+0x179/0x330 kernel/locking/lockdep.c:5825
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 ocfs2_is_hard_readonly fs/ocfs2/ocfs2.h:665 [inline]
 ocfs2_inode_lock_full_nested+0x101/0x1f40 fs/ocfs2/dlmglue.c:2446
 ocfs2_inode_lock_tracker+0x20f/0x6e0 fs/ocfs2/dlmglue.c:2691
 ocfs2_permission+0xcf/0x1c0 fs/ocfs2/file.c:1355
 do_inode_permission fs/namei.c:526 [inline]
 inode_permission+0x400/0x640 fs/namei.c:596
 xattr_permission+0x1ad/0x240 fs/xattr.c:155
 vfs_getxattr+0xa4/0x290 fs/xattr.c:434
 do_getxattr+0x259/0x360 fs/xattr.c:787
 filename_getxattr+0xe9/0x1a0 fs/xattr.c:817
 path_getxattrat+0x203/0x2d0 fs/xattr.c:859
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc56918f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc5673f6038 EFLAGS: 00000246 ORIG_RAX: 00000000000000bf
RAX: ffffffffffffffda RBX: 00007fc5693e5fa0 RCX: 00007fc56918f749
RDX: 0000000000000000 RSI: 0000200000000b00 RDI: 0000200000005140
RBP: 00007fc569213f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5693e6038 R14: 00007fc5693e5fa0 R15: 00007ffe39e83ee8
 </TASK>
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	85 c0                	test   %eax,%eax
   2:	74 0d                	je     0x11
   4:	83 3d ba 4a ef 0e 00 	cmpl   $0x0,0xeef4aba(%rip)        # 0xeef4ac5
   b:	0f 84 e7 0a 00 00    	je     0xaf8
  11:	90                   	nop
  12:	31 c0                	xor    %eax,%eax
  14:	e9 5a fa ff ff       	jmp    0xfffffa73
  19:	48 8d 3d 55 65 f2 0e 	lea    0xef26555(%rip),%rdi        # 0xef26575
  20:	48 c7 c6 78 b3 bd 8d 	mov    $0xffffffff8dbdb378,%rsi
* 27:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2c:	e9 b4 ec ff ff       	jmp    0xffffece5
  31:	44 8b 0d 8d 4a ef 0e 	mov    0xeef4a8d(%rip),%r9d        # 0xeef4ac5
  38:	45 85 c9             	test   %r9d,%r9d
  3b:	0f                   	.byte 0xf
  3c:	85                   	.byte 0x85