general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 3583 Comm: syz-executor.3 Not tainted 6.1.31-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x80d/0xec0 fs/jfs/jfs_logmgr.c:1573
Code: af fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 21 92 d9 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 04 92 d9 fe 48 8b 3b e8 3c 29 af
RSP: 0018:ffffc90004b57b20 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: ed387afa90f16900
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004b57c58 R08: ffffffff81b5b126 R09: ffffc90004b57a70
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200096af70
R13: dffffc0000000000 R14: ffff888022e6f800 R15: ffff888078844838
FS:  00005555562fe400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555556307848 CR3: 000000007d877000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_umount+0xf4/0x370 fs/jfs/jfs_umount.c:58
 jfs_put_super+0x86/0x180 fs/jfs/super.c:194
 generic_shutdown_super+0x130/0x340 fs/super.c:501
 kill_block_super+0x7a/0xe0 fs/super.c:1450
 deactivate_locked_super+0xa0/0x110 fs/super.c:332
 cleanup_mnt+0x490/0x520 fs/namespace.c:1186
 task_work_run+0x246/0x300 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcda6a8d5d7
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 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 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffca4f55d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcda6a8d5d7
RDX: 00007ffca4f55e0a RSI: 000000000000000a RDI: 00007ffca4f55e00
RBP: 00007ffca4f55e00 R08: 00000000ffffffff R09: 00007ffca4f55bd0
R10: 00005555562ff893 R11: 0000000000000246 R12: 00007fcda6ae6cdc
R13: 00007ffca4f56ec0 R14: 00005555562ff810 R15: 00007ffca4f56f00
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:jfs_flush_journal+0x80d/0xec0 fs/jfs/jfs_logmgr.c:1573
Code: af fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 21 92 d9 fe 48 8b 1b 48 83 c3 30 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 04 92 d9 fe 48 8b 3b e8 3c 29 af
RSP: 0018:ffffc90004b57b20 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: ed387afa90f16900
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90004b57c58 R08: ffffffff81b5b126 R09: ffffc90004b57a70
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200096af70
R13: dffffc0000000000 R14: ffff888022e6f800 R15: ffff888078844838
FS:  00005555562fe400(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9b13831b8 CR3: 000000007d877000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	af                   	scas   %es:(%rdi),%eax
   1:	fe 49 8d             	decb   -0x73(%rcx)
   4:	5f                   	pop    %rdi
   5:	f0 48 89 d8          	lock mov %rbx,%rax
   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 21 92 d9 fe       	callq  0xfed9923d
  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:	74 08                	je     0x39
  31:	48 89 df             	mov    %rbx,%rdi
  34:	e8 04 92 d9 fe       	callq  0xfed9923d
  39:	48 8b 3b             	mov    (%rbx),%rdi
  3c:	e8                   	.byte 0xe8
  3d:	3c 29                	cmp    $0x29,%al
  3f:	af                   	scas   %es:(%rdi),%eax