loop0: detected capacity change from 0 to 65535
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: 3607 Comm: syz-executor348 Not tainted 6.0.0-rc7-syzkaller-00029-g3800a713b607 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
RIP: 0010:dtInsertEntry+0xceb/0x1610 fs/jfs/jfs_dtree.c:3708
Code: 58 0f b6 18 89 de 83 e6 02 31 ff e8 0f 62 89 fe 83 e3 02 75 30 e8 25 5f 89 fe 48 8b 5c 24 78 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 8a 04 30 84 c0 74 34 89 d9 80 e1 07 38 c1 7c 2b 48 89 df e8 5c
RSP: 0018:ffffc900038cf0a0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888075758000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900038cf230 R08: ffffffff82fe2a51 R09: ffffffff8300e8e9
R10: 0000000000000004 R11: ffff888075758000 R12: dffffc0000000000
R13: ffff8880122a8901 R14: dffffc0000000000 R15: ffff88807456b130
FS:  00005555560d8300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73107026a8 CR3: 00000000757e3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 dtInsert+0xa44/0x6b80 fs/jfs/jfs_dtree.c:886
 jfs_create+0x736/0xb10 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3413 [inline]
 open_last_lookups fs/namei.c:3481 [inline]
 path_openat+0x12d0/0x2df0 fs/namei.c:3688
 do_filp_open+0x264/0x4f0 fs/namei.c:3718
 do_sys_openat2+0x124/0x4e0 fs/open.c:1313
 do_sys_open fs/open.c:1329 [inline]
 __do_sys_openat fs/open.c:1345 [inline]
 __se_sys_openat fs/open.c:1340 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1340
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f69537a3fc9
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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe70e72b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69537a3fc9
RDX: 000000000000275a RSI: 0000000020000040 RDI: 00000000ffffff9c
RBP: 00007f6953763790 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000f8008000
R13: 0000000000000000 R14: 00080000000000f8 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dtInsertEntry+0xceb/0x1610 fs/jfs/jfs_dtree.c:3708
Code: 58 0f b6 18 89 de 83 e6 02 31 ff e8 0f 62 89 fe 83 e3 02 75 30 e8 25 5f 89 fe 48 8b 5c 24 78 48 83 c3 08 48 89 d8 48 c1 e8 03 <42> 8a 04 30 84 c0 74 34 89 d9 80 e1 07 38 c1 7c 2b 48 89 df e8 5c
RSP: 0018:ffffc900038cf0a0 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000008 RCX: ffff888075758000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900038cf230 R08: ffffffff82fe2a51 R09: ffffffff8300e8e9
R10: 0000000000000004 R11: ffff888075758000 R12: dffffc0000000000
R13: ffff8880122a8901 R14: dffffc0000000000 R15: ffff88807456b130
FS:  00005555560d8300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73107026a8 CR3: 00000000757e3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	58                   	pop    %rax
   1:	0f b6 18             	movzbl (%rax),%ebx
   4:	89 de                	mov    %ebx,%esi
   6:	83 e6 02             	and    $0x2,%esi
   9:	31 ff                	xor    %edi,%edi
   b:	e8 0f 62 89 fe       	callq  0xfe89621f
  10:	83 e3 02             	and    $0x2,%ebx
  13:	75 30                	jne    0x45
  15:	e8 25 5f 89 fe       	callq  0xfe895f3f
  1a:	48 8b 5c 24 78       	mov    0x78(%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 8a 04 30          	mov    (%rax,%r14,1),%al <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 34                	je     0x66
  32:	89 d9                	mov    %ebx,%ecx
  34:	80 e1 07             	and    $0x7,%cl
  37:	38 c1                	cmp    %al,%cl
  39:	7c 2b                	jl     0x66
  3b:	48 89 df             	mov    %rbx,%rdi
  3e:	e8                   	.byte 0xe8
  3f:	5c                   	pop    %rsp