diRead: diIAGRead returned -5
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 UID: 0 PID: 14612 Comm: syz.5.1547 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x7f8/0xed0 fs/jfs/jfs_logmgr.c:1573
Code: 49 b2 fe 4d 8d 77 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 16 3c e0 fe 4d 8b 26 49 83 c4 30 4c 89 e0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 e7 e8 fa 3b e0 fe 49 8b 3c 24 e8 a1 49 b2
RSP: 0018:ffffc9000b7df980 EFLAGS: 00010206
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000cbcc000 RSI: 0000000000004b63 RDI: 0000000000004b64
RBP: ffffc9000b7dfac0 R08: ffffc9000b7df8cf R09: 0000000000000000
R10: ffffc9000b7df768 R11: fffff520016fbf1a R12: 0000000000000030
R13: ffff88814d2391a8 R14: ffff88802983ee28 R15: ffff88802983ee38
FS:  00007fdc261ee6c0(0000) GS:ffff8881259e8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff9fc1056c0 CR3: 0000000031c66000 CR4: 00000000003526f0
DR0: 0000000000000002 DR1: 0000000000000005 DR2: 8000000000000000
DR3: 1000000100000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_umount+0x178/0x3c0 fs/jfs/jfs_umount.c:58
 jfs_fill_super+0x9c5/0xd80 fs/jfs/super.c:567
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 vfs_get_tree+0x92/0x2b0 fs/super.c:1751
 fc_mount fs/namespace.c:1274 [inline]
 do_new_mount_fc fs/namespace.c:3726 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3802
 do_mount fs/namespace.c:4125 [inline]
 __do_sys_mount fs/namespace.c:4324 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4301
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdc2539034a
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:00007fdc261ede68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdc261edef0 RCX: 00007fdc2539034a
RDX: 0000200000000240 RSI: 0000200000000040 RDI: 00007fdc261edeb0
RBP: 0000200000000240 R08: 00007fdc261edef0 R09: 0000000001010006
R10: 0000000001010006 R11: 0000000000000246 R12: 0000200000000040
R13: 00007fdc261edeb0 R14: 000000000000628f R15: 0000200000000300
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	49 b2 fe             	rex.WB mov $0xfe,%r10b
   3:	4d 8d 77 f0          	lea    -0x10(%r15),%r14
   7:	4c 89 f0             	mov    %r14,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 16 3c e0 fe       	call   0xfee03c32
  1c:	4d 8b 26             	mov    (%r14),%r12
  1f:	49 83 c4 30          	add    $0x30,%r12
  23:	4c 89 e0             	mov    %r12,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 e7             	mov    %r12,%rdi
  33:	e8 fa 3b e0 fe       	call   0xfee03c32
  38:	49 8b 3c 24          	mov    (%r12),%rdi
  3c:	e8                   	.byte 0xe8
  3d:	a1                   	.byte 0xa1
  3e:	49                   	rex.WB
  3f:	b2                   	.byte 0xb2