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: 7917 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller-01224-g1ef6663a587b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
RIP: 0010:iput+0x40/0x8f0 fs/inode.c:1805
Code: a6 f5 90 ff 48 85 ed 0f 84 56 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 9d d8 00 00 00 48 89 d9 48 c1 e9 03 48 89 4c 24 08 <80> 3c 01 00 74 08 48 89 df e8 72 eb e8 ff 48 89 1c 24 48 8b 1b 48
RSP: 0018:ffffc900168f7a10 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 00000000000000d6 RCX: 000000000000001a
RDX: ffffc9000b283000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: fffffffffffffffe R08: dffffc0000000000 R09: ffffed100f5dd2ed
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888016fb0000
R13: fffffffffffffffc R14: 00000000fffffffe R15: dffffc0000000000
FS:  00007f0d46f22700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204a4000 CR3: 000000007839f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_orphan_cleanup+0xa55/0xcf0 fs/btrfs/inode.c:3737
 create_snapshot+0x520/0x7e0 fs/btrfs/ioctl.c:853
 btrfs_mksubvol+0x5d0/0x750 fs/btrfs/ioctl.c:995
 btrfs_mksnapshot+0xb5/0xf0 fs/btrfs/ioctl.c:1041
 __btrfs_ioctl_snap_create+0x344/0x460 fs/btrfs/ioctl.c:1294
 btrfs_ioctl_snap_create+0x13c/0x190 fs/btrfs/ioctl.c:1321
 btrfs_ioctl+0xbbf/0xd40
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:856
 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: 0033:0x7f0d4628c389
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:00007f0d46f22168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f0d463ac1f0 RCX: 00007f0d4628c389
RDX: 0000000020002180 RSI: 0000000050009401 RDI: 000000000000000a
RBP: 00007f0d462d7493 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd6309084f R14: 00007f0d46f22300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:iput+0x40/0x8f0 fs/inode.c:1805
Code: a6 f5 90 ff 48 85 ed 0f 84 56 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 9d d8 00 00 00 48 89 d9 48 c1 e9 03 48 89 4c 24 08 <80> 3c 01 00 74 08 48 89 df e8 72 eb e8 ff 48 89 1c 24 48 8b 1b 48
RSP: 0018:ffffc900168f7a10 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: 00000000000000d6 RCX: 000000000000001a
RDX: ffffc9000b283000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: fffffffffffffffe R08: dffffc0000000000 R09: ffffed100f5dd2ed
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888016fb0000
R13: fffffffffffffffc R14: 00000000fffffffe R15: dffffc0000000000
FS:  00007f0d46f22700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000204a4000 CR3: 000000007839f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	a6                   	cmpsb  %es:(%rdi),%ds:(%rsi)
   1:	f5                   	cmc
   2:	90                   	nop
   3:	ff 48 85             	decl   -0x7b(%rax)
   6:	ed                   	in     (%dx),%eax
   7:	0f 84 56 03 00 00    	je     0x363
   d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  14:	fc ff df
  17:	48 8d 9d d8 00 00 00 	lea    0xd8(%rbp),%rbx
  1e:	48 89 d9             	mov    %rbx,%rcx
  21:	48 c1 e9 03          	shr    $0x3,%rcx
  25:	48 89 4c 24 08       	mov    %rcx,0x8(%rsp)
* 2a:	80 3c 01 00          	cmpb   $0x0,(%rcx,%rax,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	48 89 df             	mov    %rbx,%rdi
  33:	e8 72 eb e8 ff       	callq  0xffe8ebaa
  38:	48 89 1c 24          	mov    %rbx,(%rsp)
  3c:	48 8b 1b             	mov    (%rbx),%rbx
  3f:	48                   	rex.W