general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 1 PID: 6482 Comm: syz-executor.4 Not tainted 5.15.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:lmLogSync+0x224/0xad0 fs/jfs/jfs_logmgr.c:945
Code: c4 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 6a 81 e6 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 4d 81 e6 fe 48 8b 3b e8 35 4f c4
RSP: 0018:ffffc90003497be0 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: c05bc95afa0f3a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003497cf8 R08: ffffffff81a7ac26 R09: ffffc90003497b48
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807f099800
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804db28c38
FS:  000055555636d480(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe5bcc156c6 CR3: 000000004c74f000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_syncpt+0x79/0x90 fs/jfs/jfs_logmgr.c:1049
 jfs_sync_fs+0x86/0xa0 fs/jfs/super.c:690
 sync_filesystem+0xe8/0x220 fs/sync.c:56
 generic_shutdown_super+0x6e/0x2c0 fs/super.c:448
 kill_block_super+0x7a/0xe0 fs/super.c:1414
 deactivate_locked_super+0xa0/0x110 fs/super.c:335
 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143
 task_work_run+0x129/0x1a0 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f6b1ae6d0d7
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:00007ffe78b848e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6b1ae6d0d7
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe78b849a0
RBP: 00007ffe78b849a0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe78b85a60
R13: 00007f6b1aeb73b9 R14: 00000000000ac64f R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace fbb15eeced2f1110 ]---
RIP: 0010:write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
RIP: 0010:lmLogSync+0x224/0xad0 fs/jfs/jfs_logmgr.c:945
Code: c4 fe 49 8d 5f f0 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 6a 81 e6 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 4d 81 e6 fe 48 8b 3b e8 35 4f c4
RSP: 0018:ffffc90003497be0 EFLAGS: 00010206
RAX: 0000000000000006 RBX: 0000000000000030 RCX: c05bc95afa0f3a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003497cf8 R08: ffffffff81a7ac26 R09: ffffc90003497b48
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807f099800
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804db28c38
FS:  000055555636d480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f224000 CR3: 000000004c74f000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	fe 49 8d             	decb   -0x73(%rcx)
   3:	5f                   	pop    %rdi
   4:	f0 48 89 d8          	lock mov %rbx,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1)
  11:	74 08                	je     0x1b
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 6a 81 e6 fe       	call   0xfee68185
  1b:	48 8b 1b             	mov    (%rbx),%rbx
  1e:	48 83 c3 30          	add    $0x30,%rbx
  22:	48 89 d8             	mov    %rbx,%rax
  25:	48 c1 e8 03          	shr    $0x3,%rax
* 29:	42 80 3c 28 00       	cmpb   $0x0,(%rax,%r13,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 4d 81 e6 fe       	call   0xfee68185
  38:	48 8b 3b             	mov    (%rbx),%rdi
  3b:	e8                   	.byte 0xe8
  3c:	35                   	.byte 0x35
  3d:	4f                   	rex.WRXB
  3e:	c4                   	.byte 0xc4