general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7]
CPU: 0 PID: 2856 Comm: syz-executor.4 Not tainted 6.4.0-rc4-syzkaller-00013-ge338142b39cf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:iput+0x30/0x80 fs/inode.c:1763
Code: 89 fd 53 e8 b2 a8 96 ff 48 85 ed 74 49 e8 a8 a8 96 ff 48 8d bd d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 34 48 8b 9d d8 00 00 00 31 ff 83 e3 40 48 89 de e8
RSP: 0018:ffffc9000382f900 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: fffffffffffffffc RCX: ffffc90004101000
RDX: 000000000000001a RSI: ffffffff81ed9f78 RDI: 00000000000000d6
RBP: fffffffffffffffe R08: 0000000000000007 R09: fffffffffffff000
R10: fffffffffffffffc R11: 0000000000094001 R12: fffffffffffffffc
R13: ffff8880327030b0 R14: fffffffffffffffe R15: ffff88802b0a8000
FS:  00007f15235f0700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202f2000 CR3: 000000001e465000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 btrfs_orphan_cleanup+0x4c0/0x7a0 fs/btrfs/inode.c:3632
 create_snapshot fs/btrfs/ioctl.c:854 [inline]
 btrfs_mksubvol+0xaff/0x1310 fs/btrfs/ioctl.c:996
 btrfs_mksnapshot+0xaf/0xf0 fs/btrfs/ioctl.c:1042
 __btrfs_ioctl_snap_create+0x42b/0x4d0 fs/btrfs/ioctl.c:1295
 btrfs_ioctl_snap_create+0x15f/0x200 fs/btrfs/ioctl.c:1322
 btrfs_ioctl+0x50e/0x5b30 fs/btrfs/ioctl.c:4559
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f152288c169
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:00007f15235f0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f15229ac050 RCX: 00007f152288c169
RDX: 00000000200000c0 RSI: 0000000050009401 RDI: 0000000000000007
RBP: 00007f15228e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd9c8dcf1f R14: 00007f15235f0300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:iput+0x30/0x80 fs/inode.c:1763
Code: 89 fd 53 e8 b2 a8 96 ff 48 85 ed 74 49 e8 a8 a8 96 ff 48 8d bd d8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 34 48 8b 9d d8 00 00 00 31 ff 83 e3 40 48 89 de e8
RSP: 0018:ffffc9000382f900 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: fffffffffffffffc RCX: ffffc90004101000
RDX: 000000000000001a RSI: ffffffff81ed9f78 RDI: 00000000000000d6
RBP: fffffffffffffffe R08: 0000000000000007 R09: fffffffffffff000
R10: fffffffffffffffc R11: 0000000000094001 R12: fffffffffffffffc
R13: ffff8880327030b0 R14: fffffffffffffffe R15: ffff88802b0a8000
FS:  00007f15235f0700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000202f2000 CR3: 000000001e465000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	89 fd                	mov    %edi,%ebp
   2:	53                   	push   %rbx
   3:	e8 b2 a8 96 ff       	callq  0xff96a8ba
   8:	48 85 ed             	test   %rbp,%rbp
   b:	74 49                	je     0x56
   d:	e8 a8 a8 96 ff       	callq  0xff96a8ba
  12:	48 8d bd d8 00 00 00 	lea    0xd8(%rbp),%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:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	75 34                	jne    0x64
  30:	48 8b 9d d8 00 00 00 	mov    0xd8(%rbp),%rbx
  37:	31 ff                	xor    %edi,%edi
  39:	83 e3 40             	and    $0x40,%ebx
  3c:	48 89 de             	mov    %rbx,%rsi
  3f:	e8                   	.byte 0xe8