BUG: kernel NULL pointer dereference, address: 0000000000000008
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 800000010a03c067 P4D 800000010a03c067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 2836 Comm: syz-executor Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:ocfs2_clear_inode+0x1d2/0x760 fs/ocfs2/inode.c:1208
Code: 88 f7 ff ff 00 00 00 00 48 8b 44 24 38 65 48 2b 04 25 28 00 00 00 0f 85 31 05 00 00 48 8b 85 90 02 00 00 48 8d b3 90 04 00 00 <48> 8b 78 08 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f e9 b7 c8 e2
RSP: 0018:ffffc900025ebd70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888109ab2478 RCX: ffffc900025ebd24
RDX: ffff88810a13d040 RSI: ffff888109ab2908 RDI: ffffffff833386ff
RBP: ffff88810c5aa000 R08: 0000000000008656 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff82d135f0 R12: ffff888109ab21f0
R13: ffff888109ab1e00 R14: ffff888109ab1c08 R15: ffff88810c5aa000
FS:  0000555555ee8500(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 0000000106912000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 evict+0xca/0x1d0 fs/inode.c:588
 ocfs2_release_system_inodes+0x1c/0xc0 fs/ocfs2/super.c:516
 ocfs2_dismount_volume+0x201/0x2f0 fs/ocfs2/super.c:1917
 generic_shutdown_super+0x6f/0x100 fs/super.c:465
 kill_block_super+0x1c/0x40 fs/super.c:1395
 deactivate_locked_super+0x2c/0xa0 fs/super.c:335
 cleanup_mnt+0x10b/0x150 fs/namespace.c:1137
 task_work_run+0x57/0x90 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x16e/0x170 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x13/0x30 kernel/entry/common.c:300
 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f861329ca47
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffeaed44d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f861330e1cc RCX: 00007f861329ca47
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeaed44dd0
RBP: 00007ffeaed44dd0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffeaed45e50
R13: 00007f861330e1cc R14: 000000000000f12a R15: 00007ffeaed45e90
Modules linked in:
CR2: 0000000000000008
---[ end trace 936bade550cc3067 ]---
RIP: 0010:ocfs2_clear_inode+0x1d2/0x760 fs/ocfs2/inode.c:1208
Code: 88 f7 ff ff 00 00 00 00 48 8b 44 24 38 65 48 2b 04 25 28 00 00 00 0f 85 31 05 00 00 48 8b 85 90 02 00 00 48 8d b3 90 04 00 00 <48> 8b 78 08 48 83 c4 40 5b 5d 41 5c 41 5d 41 5e 41 5f e9 b7 c8 e2
RSP: 0018:ffffc900025ebd70 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff888109ab2478 RCX: ffffc900025ebd24
RDX: ffff88810a13d040 RSI: ffff888109ab2908 RDI: ffffffff833386ff
RBP: ffff88810c5aa000 R08: 0000000000008656 R09: 0000000000000001
R10: 0000000000000000 R11: ffffffff82d135f0 R12: ffff888109ab21f0
R13: ffff888109ab1e00 R14: ffff888109ab1c08 R15: ffff88810c5aa000
FS:  0000555555ee8500(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 0000000106912000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	f7 ff                	idiv   %edi
   2:	ff 00                	incl   (%rax)
   4:	00 00                	add    %al,(%rax)
   6:	00 48 8b             	add    %cl,-0x75(%rax)
   9:	44 24 38             	rex.R and $0x38,%al
   c:	65 48 2b 04 25 28 00 	sub    %gs:0x28,%rax
  13:	00 00
  15:	0f 85 31 05 00 00    	jne    0x54c
  1b:	48 8b 85 90 02 00 00 	mov    0x290(%rbp),%rax
  22:	48 8d b3 90 04 00 00 	lea    0x490(%rbx),%rsi
* 29:	48 8b 78 08          	mov    0x8(%rax),%rdi <-- trapping instruction
  2d:	48 83 c4 40          	add    $0x40,%rsp
  31:	5b                   	pop    %rbx
  32:	5d                   	pop    %rbp
  33:	41 5c                	pop    %r12
  35:	41 5d                	pop    %r13
  37:	41 5e                	pop    %r14
  39:	41 5f                	pop    %r15
  3b:	e9                   	.byte 0xe9
  3c:	b7 c8                	mov    $0xc8,%bh
  3e:	e2                   	.byte 0xe2