loop4: detected capacity change from 0 to 32768
ocfs2: Readonly device (7,4) detected. Cluster services will not be used for this mount. Recovery will be skipped.
ocfs2: Mounting device (7,4) on (node 0, slot 65535) with[  447.593143][T11753] ocfs2: Mounting device (7,4) on (node 0, slot 65535) with ordered data mode.
ocfs2: Unmounting device (7,4) on (node 0)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000016: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000000b0-0x00000000000000b7]
CPU: 0 UID: 0 PID: 11753 Comm: syz.4.622 Tainted: G        W           6.17.0-rc1-syzkaller-00211-g90d970cade8e #0 PREEMPT_{RT,(full)} 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ocfs2_ci_fully_checkpointed fs/ocfs2/journal.h:98 [inline]
RIP: 0010:ocfs2_checkpoint_inode fs/ocfs2/journal.h:199 [inline]
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1222 [inline]
RIP: 0010:ocfs2_evict_inode+0x26b1/0x40c0 fs/ocfs2/inode.c:1296
Code: 80 7c 25 00 00 74 08 4c 89 ff e8 da 96 88 fe 4d 8b 27 48 81 c3 b0 00 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 b1 96 88 fe 48 8b 1b 48 c7 c7 e0 3e
RSP: 0018:ffffc9000440f340 EFLAGS: 00010202
RAX: 0000000000000016 RBX: 00000000000000b0 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8b620b60 RDI: 00000000ffffffff
RBP: ffffc9000440fa70 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e3a787 R12: 0000000000000000
R13: 1ffff1100b86b9ba R14: 0000000000000000 R15: ffff88805c35cdd0
FS:  00007f4cf7d7c6c0(0000) GS:ffff8881268c5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefcb41a000 CR3: 0000000055f82000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 evict+0x504/0x9c0 fs/inode.c:810
 __ocfs2_free_slot_info fs/ocfs2/slot_map.c:307 [inline]
 ocfs2_free_slot_info+0x79/0x260 fs/ocfs2/slot_map.c:443
 ocfs2_delete_osb+0x58/0x170 fs/ocfs2/super.c:2450
 ocfs2_dismount_volume+0x57a/0x8d0 fs/ocfs2/super.c:1884
 generic_shutdown_super+0x132/0x2c0 fs/super.c:643
 kill_block_super+0x44/0x90 fs/super.c:1766
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1378
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4cf9b6038a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4cf7d7be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffec RBX: 00007f4cf7d7bef0 RCX: 00007f4cf9b6038a
RDX: 0000200000000000 RSI: 00002000000048c0 RDI: 00007f4cf7d7beb0
RBP: 0000200000000000 R08: 00007f4cf7d7bef0 R09: 0000000000000041
R10: 0000000000000041 R11: 0000000000000246 R12: 00002000000048c0
R13: 00007f4cf7d7beb0 R14: 0000000000004882 R15: 0000200000000040
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_ci_fully_checkpointed fs/ocfs2/journal.h:98 [inline]
RIP: 0010:ocfs2_checkpoint_inode fs/ocfs2/journal.h:199 [inline]
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1222 [inline]
RIP: 0010:ocfs2_evict_inode+0x26b1/0x40c0 fs/ocfs2/inode.c:1296
Code: 80 7c 25 00 00 74 08 4c 89 ff e8 da 96 88 fe 4d 8b 27 48 81 c3 b0 00 00 00 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 b1 96 88 fe 48 8b 1b 48 c7 c7 e0 3e
RSP: 0018:ffffc9000440f340 EFLAGS: 00010202
RAX: 0000000000000016 RBX: 00000000000000b0 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffffffff8b620b60 RDI: 00000000ffffffff
RBP: ffffc9000440fa70 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e3a787 R12: 0000000000000000
R13: 1ffff1100b86b9ba R14: 0000000000000000 R15: ffff88805c35cdd0
FS:  00007f4cf7d7c6c0(0000) GS:ffff8881268c5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fefcb41a000 CR3: 0000000055f82000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	80 7c 25 00 00       	cmpb   $0x0,0x0(%rbp,%riz,1)
   5:	74 08                	je     0xf
   7:	4c 89 ff             	mov    %r15,%rdi
   a:	e8 da 96 88 fe       	call   0xfe8896e9
   f:	4d 8b 27             	mov    (%r15),%r12
  12:	48 81 c3 b0 00 00 00 	add    $0xb0,%rbx
  19:	48 89 d8             	mov    %rbx,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 b1 96 88 fe       	call   0xfe8896e9
  38:	48 8b 1b             	mov    (%rbx),%rbx
  3b:	48                   	rex.W
  3c:	c7                   	.byte 0xc7
  3d:	c7                   	(bad)
  3e:	e0 3e                	loopne 0x7e