Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 UID: 0 PID: 14728 Comm: syz.0.1063 Not tainted 6.16.0-rc3-syzkaller-00329-gdfba48a70cb6 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x988/0xed0 fs/jfs/jfs_logmgr.c:1582
Code: 82 b8 fe 4d 8d 75 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 36 1b e3 fe 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 1a 1b e3 fe 49 8b 3e e8 12 82 b8 fe
RSP: 0018:ffffc90003aa7a60 EFLAGS: 00010206
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000483a000 RSI: 0000000000007863 RDI: 0000000000007864
RBP: ffffc90003aa7ba0 R08: ffffc90003aa79bf R09: 0000000000000000
R10: ffffc90003aa7848 R11: fffff52000754f38 R12: 0000000000000000
R13: ffff88802fe4ac38 R14: 0000000000000030 R15: ffff88805763ba28
FS:  00007f64c92856c0(0000) GS:ffff888125d84000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc923546000 CR3: 00000000776a8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_umount+0x178/0x3c0 fs/jfs/jfs_umount.c:58
 jfs_fill_super+0x9da/0xd90 fs/jfs/super.c:567
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1681
 vfs_get_tree+0x92/0x2b0 fs/super.c:1804
 do_new_mount+0x24a/0xa40 fs/namespace.c:3902
 do_mount fs/namespace.c:4239 [inline]
 __do_sys_mount fs/namespace.c:4450 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4427
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f64c83900ca
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:00007f64c9284e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f64c9284ef0 RCX: 00007f64c83900ca
RDX: 0000200000000240 RSI: 0000200000000080 RDI: 00007f64c9284eb0
RBP: 0000200000000240 R08: 00007f64c9284ef0 R09: 0000000002010880
R10: 0000000002010880 R11: 0000000000000246 R12: 0000200000000080
R13: 00007f64c9284eb0 R14: 00000000000061fd R15: 0000200000000140
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x988/0xed0 fs/jfs/jfs_logmgr.c:1582
Code: 82 b8 fe 4d 8d 75 f0 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 36 1b e3 fe 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 1a 1b e3 fe 49 8b 3e e8 12 82 b8 fe
RSP: 0018:ffffc90003aa7a60 EFLAGS: 00010206
RAX: 0000000000000006 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc9000483a000 RSI: 0000000000007863 RDI: 0000000000007864
RBP: ffffc90003aa7ba0 R08: ffffc90003aa79bf R09: 0000000000000000
R10: ffffc90003aa7848 R11: fffff52000754f38 R12: 0000000000000000
R13: ffff88802fe4ac38 R14: 0000000000000030 R15: ffff88805763ba28
FS:  00007f64c92856c0(0000) GS:ffff888125c84000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c345a56 CR3: 00000000776a8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	b8 fe 4d 8d 75       	mov    $0x758d4dfe,%eax
   5:	f0 4c 89 f0          	lock mov %r14,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  11:	74 08                	je     0x1b
  13:	4c 89 f7             	mov    %r14,%rdi
  16:	e8 36 1b e3 fe       	call   0xfee31b51
  1b:	4d 8b 36             	mov    (%r14),%r14
  1e:	49 83 c6 30          	add    $0x30,%r14
  22:	4c 89 f0             	mov    %r14,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2d:	74 08                	je     0x37
  2f:	4c 89 f7             	mov    %r14,%rdi
  32:	e8 1a 1b e3 fe       	call   0xfee31b51
  37:	49 8b 3e             	mov    (%r14),%rdi
  3a:	e8 12 82 b8 fe       	call   0xfeb88251