general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 5094 Comm: syz-executor.5 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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: a4 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 42 b7 d2 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 20 b7 d2 fe 48 8b
RSP: 0018:ffffc900045b7b20 EFLAGS: 00010216
RAX: 0000000000000006 RBX: 0000000000000030 RCX: d2386bfd1c3ce000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900045b7c48 R08: ffffffff81c9d47a R09: 0000000000000000
R10: ffffc900045b7a70 R11: fffff520008b6f51 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff88807755a960 R15: ffff88802464f238
FS:  000055556068e480(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f815f40f518 CR3: 000000005f1c8000 CR4: 0000000000350ef0
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+0x138/0x2d0 fs/super.c:641
 kill_block_super+0x44/0x90 fs/super.c:1675
 deactivate_locked_super+0xc6/0x130 fs/super.c:472
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1267
 task_work_run+0x251/0x310 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:108 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
 syscall_exit_to_user_mode+0x168/0x360 kernel/entry/common.c:212
 do_syscall_64+0x10a/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fcf6887f0d7
Code: b0 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 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe15b5b0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fcf6887f0d7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe15b5b180
RBP: 00007ffe15b5b180 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe15b5c240
R13: 00007fcf688c93b9 R14: 000000000002296e R15: 0000000000000003
 </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: a4 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 42 b7 d2 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 20 b7 d2 fe 48 8b
RSP: 0018:ffffc900045b7b20 EFLAGS: 00010216
RAX: 0000000000000006 RBX: 0000000000000030 RCX: d2386bfd1c3ce000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900045b7c48 R08: ffffffff81c9d47a R09: 0000000000000000
R10: ffffc900045b7a70 R11: fffff520008b6f51 R12: 0000000000000001
R13: dffffc0000000000 R14: ffff88807755a960 R15: ffff88802464f238
FS:  000055556068e480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558ae42978 CR3: 000000005f1c8000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
   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 42 b7 d2 fe       	call   0xfed2b75e
  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 20 b7 d2 fe       	call   0xfed2b75e
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b