Oops: general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 5111 Comm: syz-executor.4 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x99c/0xec0 fs/jfs/jfs_logmgr.c:1582
Code: a1 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 c2 d6 d1 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 4c 8b 74 24 38 74 08 48 89 df e8 a0 d6 d1 fe 48 8b
RSP: 0018:ffffc9000359f980 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: 5499233232d97f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000359faa8 R08: ffffffff81cb98aa R09: 0000000000000000
R10: ffffc9000359f768 R11: fffff520006b3f1b R12: 00000000000000be
R13: dffffc0000000000 R14: ffff888062ea96e0 R15: ffff888024a47a38
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0440da8000 CR3: 0000000069810000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_umount+0x170/0x3a0 fs/jfs/jfs_umount.c:58
 jfs_put_super+0x8a/0x190 fs/jfs/super.c:194
 generic_shutdown_super+0x136/0x2d0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1676
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x24f/0x310 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0xa1b/0x27e0 kernel/exit.c:877
 do_group_exit+0x207/0x2c0 kernel/exit.c:1026
 __do_sys_exit_group kernel/exit.c:1037 [inline]
 __se_sys_exit_group kernel/exit.c:1035 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1035
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f33ad07dea9
Code: Unable to access opcode bytes at 0x7f33ad07de7f.
RSP: 002b:00007ffc65c5e038 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f33ad0c93de RCX: 00007f33ad07dea9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 00007ffc65c5bdd7 R09: 00007ffc65c5f2f0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc65c5f2f0
R13: 00007f33ad0c93b9 R14: 0000000000016d45 R15: 0000000000000016
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x99c/0xec0 fs/jfs/jfs_logmgr.c:1582
Code: a1 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 c2 d6 d1 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 4c 8b 74 24 38 74 08 48 89 df e8 a0 d6 d1 fe 48 8b
RSP: 0018:ffffc9000359f980 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: 5499233232d97f00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000359faa8 R08: ffffffff81cb98aa R09: 0000000000000000
R10: ffffc9000359f768 R11: fffff520006b3f1b R12: 00000000000000be
R13: dffffc0000000000 R14: ffff888062ea96e0 R15: ffff888024a47a38
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f90aae7e000 CR3: 000000005ce88000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	a1 fe 49 8d 5f f0 48 	movabs 0xd88948f05f8d49fe,%eax
   7:	89 d8
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 c2 d6 d1 fe       	call   0xfed1d6de
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	48 83 c3 30          	add    $0x30,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2f:	4c 8b 74 24 38       	mov    0x38(%rsp),%r14
  34:	74 08                	je     0x3e
  36:	48 89 df             	mov    %rbx,%rdi
  39:	e8 a0 d6 d1 fe       	call   0xfed1d6de
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b