ocfs2: Unmounting device (7,1) on (node local)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 30019 Comm: syz.1.5472 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1284 [inline]
RIP: 0010:ocfs2_evict_inode+0x2d05/0x40e0 fs/ocfs2/inode.c:1296
Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 1c d6 83 fe 4d 01 f4 48 8b 1b 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 fc d5 83 fe 48 8b 3b 49 81 c7 88
RSP: 0018:ffffc9000e84ef60 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888084f21e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000e84f690 R08: ffff888078be85f7 R09: 1ffff1100f17d0be
R10: dffffc0000000000 R11: ffffed100f17d0bf R12: fffff52001d09dfc
R13: ffff888078be88a0 R14: dffffc0000000000 R15: ffff888078be8878
FS:  0000000000000000(0000) GS:ffff888125c0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000001d6030 CR3: 00000000799d2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 evict+0x501/0x9c0 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:2448
 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:1723
 deactivate_locked_super+0xbc/0x130 fs/super.c:474
 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1378
 task_work_run+0x1d4/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6b5/0x2300 kernel/exit.c:961
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:40
 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: 0033:0x7fe974b8ebe9
Code: Unable to access opcode bytes at 0x7fe974b8ebbf.
RSP: 002b:00007fe975a420e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fe974db6098 RCX: 00007fe974b8ebe9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe974db6098
RBP: 00007fe974db6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe974db6128 R14: 00007fff5cdcac60 R15: 00007fff5cdcad48
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_clear_inode fs/ocfs2/inode.c:1284 [inline]
RIP: 0010:ocfs2_evict_inode+0x2d05/0x40e0 fs/ocfs2/inode.c:1296
Code: 02 00 00 48 89 d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 1c d6 83 fe 4d 01 f4 48 8b 1b 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 fc d5 83 fe 48 8b 3b 49 81 c7 88
RSP: 0018:ffffc9000e84ef60 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888084f21e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000e84f690 R08: ffff888078be85f7 R09: 1ffff1100f17d0be
R10: dffffc0000000000 R11: ffffed100f17d0bf R12: fffff52001d09dfc
R13: ffff888078be88a0 R14: dffffc0000000000 R15: ffff888078be8878
FS:  0000000000000000(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555de6e5c8 CR3: 00000000286d4000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	02 00                	add    (%rax),%al
   2:	00 48 89             	add    %cl,-0x77(%rax)
   5:	d8 48 c1             	fmuls  -0x3f(%rax)
   8:	e8 03 42 80 3c       	call   0x3c804210
   d:	30 00                	xor    %al,(%rax)
   f:	74 08                	je     0x19
  11:	48 89 df             	mov    %rbx,%rdi
  14:	e8 1c d6 83 fe       	call   0xfe83d635
  19:	4d 01 f4             	add    %r14,%r12
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	48 83 c3 08          	add    $0x8,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 fc d5 83 fe       	call   0xfe83d635
  39:	48 8b 3b             	mov    (%rbx),%rdi
  3c:	49                   	rex.WB
  3d:	81                   	.byte 0x81
  3e:	c7                   	(bad)
  3f:	88                   	.byte 0x88