loop0: detected capacity change from 0 to 32768
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 5578 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
RIP: 0010:dtInsert+0x2f55/0x6c80
Code: 8b 9c 24 98 00 00 00 74 12 48 89 df e8 24 19 00 ff 48 ba 00 00 00 00 00 fc ff df 4c 89 33 eb 03 45 31 f6 4c 89 f3 48 c1 eb 03 <80> 3c 13 00 74 08 4c 89 f7 e8 5d 18 00 ff 49 8b 36 48 85 f6 0f 84
RSP: 0018:ffffc9000506f6e0 EFLAGS: 00010246
RAX: ffffc9000506fc30 RBX: 0000000000000000 RCX: ffffffff82c273e5
RDX: dffffc0000000000 RSI: 1ffff92000a0df34 RDI: ffffc9000506fa70
RBP: ffffc9000506fb50 R08: dffffc0000000000 R09: fffff940003f4dbf
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 1ffff92000a0df35 R14: 0000000000000000 R15: ffff88807638c000
FS:  00007f797b282700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f797a113e09 CR3: 000000002738e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 jfs_create+0x5ec/0x970
 vfs_create+0x193/0x2d0
 do_mknodat+0x33f/0x640
 __x64_sys_mknodat+0xa4/0xb0
 do_syscall_64+0x41/0xc0
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f797a08b5a9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f797b282168 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007f797a1abf80 RCX: 00007f797a08b5a9
RDX: 0000000000000008 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007f797a0e6580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000103 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffb2cb6ddf R14: 00007f797b282300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dtInsert+0x2f55/0x6c80
Code: 8b 9c 24 98 00 00 00 74 12 48 89 df e8 24 19 00 ff 48 ba 00 00 00 00 00 fc ff df 4c 89 33 eb 03 45 31 f6 4c 89 f3 48 c1 eb 03 <80> 3c 13 00 74 08 4c 89 f7 e8 5d 18 00 ff 49 8b 36 48 85 f6 0f 84
RSP: 0018:ffffc9000506f6e0 EFLAGS: 00010246
RAX: ffffc9000506fc30 RBX: 0000000000000000 RCX: ffffffff82c273e5
RDX: dffffc0000000000 RSI: 1ffff92000a0df34 RDI: ffffc9000506fa70
RBP: ffffc9000506fb50 R08: dffffc0000000000 R09: fffff940003f4dbf
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 1ffff92000a0df35 R14: 0000000000000000 R15: ffff88807638c000
FS:  00007f797b282700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f55e0229000 CR3: 000000002738e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	8b 9c 24 98 00 00 00 	mov    0x98(%rsp),%ebx
   7:	74 12                	je     0x1b
   9:	48 89 df             	mov    %rbx,%rdi
   c:	e8 24 19 00 ff       	callq  0xff001935
  11:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  18:	fc ff df
  1b:	4c 89 33             	mov    %r14,(%rbx)
  1e:	eb 03                	jmp    0x23
  20:	45 31 f6             	xor    %r14d,%r14d
  23:	4c 89 f3             	mov    %r14,%rbx
  26:	48 c1 eb 03          	shr    $0x3,%rbx
* 2a:	80 3c 13 00          	cmpb   $0x0,(%rbx,%rdx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 5d 18 00 ff       	callq  0xff001895
  38:	49 8b 36             	mov    (%r14),%rsi
  3b:	48 85 f6             	test   %rsi,%rsi
  3e:	0f                   	.byte 0xf
  3f:	84                   	.byte 0x84