general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 5066 Comm: syz-executor238 Not tainted 6.7.0-rc8-syzkaller-00174-g95c8a35f1c01 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
RIP: 0010:dtInsertEntry.isra.0+0x127c/0x1680 fs/jfs/jfs_dtree.c:3708
Code: 40 04 ff e9 4a f9 ff ff e8 01 40 8e fe 48 8b 84 24 b8 00 00 00 48 8d 78 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 14 01 00 00
RSP: 0018:ffffc900033df430 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff82f824cd
RDX: 0000000000000001 RSI: ffffffff82f8251f RDI: 0000000000000008
RBP: ffff888075bb2480 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: ffff88801ec21aa6
R13: ffff888075bb2470 R14: ffff888075bb2482 R15: dffffc0000000000
FS:  0000555555fd3380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cb6cb5b6c0 CR3: 00000000204cc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dtInsert+0x575/0xb00 fs/jfs/jfs_dtree.c:886
 jfs_create+0x63c/0xb40 fs/jfs/namei.c:137
 lookup_open.isra.0+0x1095/0x13b0 fs/namei.c:3477
 open_last_lookups fs/namei.c:3546 [inline]
 path_openat+0x922/0x2c50 fs/namei.c:3776
 do_filp_open+0x1de/0x430 fs/namei.c:3809
 do_sys_openat2+0x176/0x1e0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_openat fs/open.c:1468 [inline]
 __se_sys_openat fs/open.c:1463 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1463
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f8d000b3a59
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007ffcccfc1858 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d000b3a59
RDX: 000000000000275a RSI: 00000000200001c0 RDI: 00000000ffffff9c
RBP: 00007f8d0012c5f0 R08: 0000000000005e04 R09: 0000555555fd44c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcccfc1880
R13: 00007ffcccfc1aa8 R14: 431bde82d7b634db R15: 00007f8d000fc03b
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dtInsertEntry.isra.0+0x127c/0x1680 fs/jfs/jfs_dtree.c:3708
Code: 40 04 ff e9 4a f9 ff ff e8 01 40 8e fe 48 8b 84 24 b8 00 00 00 48 8d 78 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 14 01 00 00
RSP: 0018:ffffc900033df430 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff82f824cd
RDX: 0000000000000001 RSI: ffffffff82f8251f RDI: 0000000000000008
RBP: ffff888075bb2480 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000004 R12: ffff88801ec21aa6
R13: ffff888075bb2470 R14: ffff888075bb2482 R15: dffffc0000000000
FS:  0000555555fd3380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cb6cb5b6c0 CR3: 00000000204cc000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	40 04 ff             	rex add $0xff,%al
   3:	e9 4a f9 ff ff       	jmp    0xfffff952
   8:	e8 01 40 8e fe       	call   0xfe8e400e
   d:	48 8b 84 24 b8 00 00 	mov    0xb8(%rsp),%rax
  14:	00
  15:	48 8d 78 08          	lea    0x8(%rax),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	48 89 fa             	mov    %rdi,%rdx
  31:	83 e2 07             	and    $0x7,%edx
  34:	38 d0                	cmp    %dl,%al
  36:	7f 08                	jg     0x40
  38:	84 c0                	test   %al,%al
  3a:	0f 85 14 01 00 00    	jne    0x154