general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
CPU: 1 PID: 23215 Comm: syz-executor.1 Not tainted 6.2.0-syzkaller-12017-g1ec35eadc3b4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
RIP: 0010:d_really_is_negative include/linux/dcache.h:466 [inline]
RIP: 0010:open_xa_root fs/reiserfs/xattr.c:124 [inline]
RIP: 0010:open_xa_dir+0x105/0x610 fs/reiserfs/xattr.c:152
Code: 05 00 00 49 03 1e 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d9 02 b0 ff 4c 8b 3b 49 83 c7 68 4c 89 fb 48 c1 eb 03 <42> 80 3c 23 00 74 08 4c 89 ff e8 bc 02 b0 ff 49 8b 3f 48 85 ff 0f
RSP: 0018:ffffc9000b1a7be0 EFLAGS: 00010202
RAX: 1ffff110045ff4b3 RBX: 000000000000000d RCX: 0000000000000000
RDX: 0000000000000011 RSI: 0000000000000000 RDI: ffffc9000b1a7c51
RBP: ffffc9000b1a7cd0 R08: ffffffff823353a5 R09: ffffc9000b1a7c40
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff110040120cf R14: ffff888020090678 R15: 0000000000000068
FS:  00007f952d21d700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa6ea3821b8 CR3: 0000000037d12000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 reiserfs_listxattr+0x1e9/0x350 fs/reiserfs/xattr.c:855
 vfs_listxattr fs/xattr.c:473 [inline]
 listxattr+0x282/0x2e0 fs/xattr.c:820
 path_listxattr fs/xattr.c:844 [inline]
 __do_sys_listxattr fs/xattr.c:856 [inline]
 __se_sys_listxattr fs/xattr.c:853 [inline]
 __x64_sys_listxattr+0x176/0x230 fs/xattr.c:853
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f952c48c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f952d21d168 EFLAGS: 00000246 ORIG_RAX: 00000000000000c2
RAX: ffffffffffffffda RBX: 00007f952c5ac050 RCX: 00007f952c48c0f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080
RBP: 00007f952c4e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe424e1eef R14: 00007f952d21d300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:d_really_is_negative include/linux/dcache.h:466 [inline]
RIP: 0010:open_xa_root fs/reiserfs/xattr.c:124 [inline]
RIP: 0010:open_xa_dir+0x105/0x610 fs/reiserfs/xattr.c:152
Code: 05 00 00 49 03 1e 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 d9 02 b0 ff 4c 8b 3b 49 83 c7 68 4c 89 fb 48 c1 eb 03 <42> 80 3c 23 00 74 08 4c 89 ff e8 bc 02 b0 ff 49 8b 3f 48 85 ff 0f
RSP: 0018:ffffc9000b1a7be0 EFLAGS: 00010202
RAX: 1ffff110045ff4b3 RBX: 000000000000000d RCX: 0000000000000000
RDX: 0000000000000011 RSI: 0000000000000000 RDI: ffffc9000b1a7c51
RBP: ffffc9000b1a7cd0 R08: ffffffff823353a5 R09: ffffc9000b1a7c40
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff110040120cf R14: ffff888020090678 R15: 0000000000000068
FS:  00007f952d21d700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31f2b000 CR3: 0000000037d12000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	49 03 1e             	add    (%r14),%rbx
   5:	48 89 d8             	mov    %rbx,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
  11:	74 08                	je     0x1b
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 d9 02 b0 ff       	callq  0xffb002f4
  1b:	4c 8b 3b             	mov    (%rbx),%r15
  1e:	49 83 c7 68          	add    $0x68,%r15
  22:	4c 89 fb             	mov    %r15,%rbx
  25:	48 c1 eb 03          	shr    $0x3,%rbx
* 29:	42 80 3c 23 00       	cmpb   $0x0,(%rbx,%r12,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ff             	mov    %r15,%rdi
  33:	e8 bc 02 b0 ff       	callq  0xffb002f4
  38:	49 8b 3f             	mov    (%r15),%rdi
  3b:	48 85 ff             	test   %rdi,%rdi
  3e:	0f                   	.byte 0xf