general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 1 PID: 5049 Comm: syz.3.174 Not tainted 5.15.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:dtInsertEntry+0xa89/0x1270 fs/jfs/jfs_dtree.c:4027
Code: 0f b6 5d 00 89 de 83 e6 02 31 ff e8 c1 56 ac fe 83 e3 02 75 27 e8 57 54 ac fe 48 8b 5c 24 70 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 f3 06 00 00 c6 03 ff eb 49 e8 30 54 ac
RSP: 0018:ffffc9000386f340 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000080000
RDX: ffffc9000e58b000 RSI: 00000000000074e6 RDI: 00000000000074e7
RBP: 0000000000000074 R08: dffffc0000000000 R09: ffffed100e61a5d4
R10: ffffed100e61a5d4 R11: 1ffff1100e61a5d3 R12: dffffc0000000000
R13: ffff8880730d3140 R14: 0000000000000001 R15: ffff8880730d3130
FS:  00007efd91c726c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000057e6c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dtInsert+0x886/0x5730 fs/jfs/jfs_dtree.c:892
 jfs_create+0x69d/0xa50 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3462 [inline]
 open_last_lookups fs/namei.c:3532 [inline]
 path_openat+0x11e1/0x2f30 fs/namei.c:3739
 do_filp_open+0x1b3/0x3e0 fs/namei.c:3769
 do_sys_openat2+0x142/0x4a0 fs/open.c:1253
 do_sys_open fs/open.c:1269 [inline]
 __do_sys_openat fs/open.c:1285 [inline]
 __se_sys_openat fs/open.c:1280 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1280
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efd93e2b969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efd91c72038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efd94053080 RCX: 00007efd93e2b969
RDX: 000000000000275a RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007efd93eadab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efd94053080 R15: 00007ffc3d013fe8
 </TASK>
Modules linked in:
---[ end trace 7e3298cf47f444d3 ]---
RIP: 0010:dtInsertEntry+0xa89/0x1270 fs/jfs/jfs_dtree.c:4027
Code: 0f b6 5d 00 89 de 83 e6 02 31 ff e8 c1 56 ac fe 83 e3 02 75 27 e8 57 54 ac fe 48 8b 5c 24 70 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 f3 06 00 00 c6 03 ff eb 49 e8 30 54 ac
RSP: 0018:ffffc9000386f340 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: 0000000000080000
RDX: ffffc9000e58b000 RSI: 00000000000074e6 RDI: 00000000000074e7
RBP: 0000000000000074 R08: dffffc0000000000 R09: ffffed100e61a5d4
R10: ffffed100e61a5d4 R11: 1ffff1100e61a5d3 R12: dffffc0000000000
R13: ffff8880730d3140 R14: 0000000000000001 R15: ffff8880730d3130
FS:  00007efd91c726c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056146d98b078 CR3: 0000000057e6c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	0f b6 5d 00          	movzbl 0x0(%rbp),%ebx
   4:	89 de                	mov    %ebx,%esi
   6:	83 e6 02             	and    $0x2,%esi
   9:	31 ff                	xor    %edi,%edi
   b:	e8 c1 56 ac fe       	call   0xfeac56d1
  10:	83 e3 02             	and    $0x2,%ebx
  13:	75 27                	jne    0x3c
  15:	e8 57 54 ac fe       	call   0xfeac5471
  1a:	48 8b 5c 24 70       	mov    0x70(%rsp),%rbx
  1f:	48 83 c3 08          	add    $0x8,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 f3 06 00 00    	jne    0x72a
  37:	c6 03 ff             	movb   $0xff,(%rbx)
  3a:	eb 49                	jmp    0x85
  3c:	e8                   	.byte 0xe8
  3d:	30                   	.byte 0x30
  3e:	54                   	push   %rsp
  3f:	ac                   	lods   %ds:(%rsi),%al