BTRFS info (device loop3): enabling ssd optimizations
BTRFS info (device loop3): using spread ssd allocation scheme
BTRFS info (device loop3): using free space tree
BTRFS info (device loop3): has skinny extents
BUG: unable to handle kernel NULL pointer dereference at 0000000000000130
PGD 21c7ed067 P4D 21c7ed067 PUD 0 
Oops: 0000 [#1] SMP
CPU: 1 PID: 6506 Comm: btrfs-ino-cache Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
RIP: 0010:__lock_acquire.isra.10+0x337/0x680 kernel/locking/lockdep.c:3294
Code: c7 c7 ff 77 f8 82 e8 d1 21 01 00 65 48 8b 3c 25 00 4f 01 00 e8 0b 12 00 00 e8 98 15 00 00 e8 76 6a 43 01 45 31 e4 eb a8 89 f0 <49> 8b 44 c7 08 48 85 c0 0f 85 40 fd ff ff e9 1a fd ff ff 44 89 4d
RSP: 0018:ffffc9000418fbe0 EFLAGS: 00010097
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000128
RBP: ffffc9000418fc10 R08: 0000000000000000 R09: 0000000000000000
R10: ffff88022a5396c0 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88022a5396c0 R15: 0000000000000128
FS:  0000000000000000(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000130 CR3: 000000022bb21000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 lock_acquire+0xc2/0x160 kernel/locking/lockdep.c:3900
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x23/0x40 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:329 [inline]
 btrfs_release_extent_buffer_pages+0xf2/0x2a0 fs/btrfs/extent_io.c:4649
 release_extent_buffer fs/btrfs/extent_io.c:5075 [inline]
 release_extent_buffer+0x42/0xc0 fs/btrfs/extent_io.c:5055
 free_extent_buffer fs/btrfs/extent_io.c:5121 [inline]
 free_extent_buffer+0x46/0x90 fs/btrfs/extent_io.c:5090
 btrfs_release_path+0x2c/0x80 fs/btrfs/ctree.c:118
 read_block_for_search.isra.12+0x1c7/0x360 fs/btrfs/ctree.c:2451
 btrfs_search_slot+0x541/0xab0 fs/btrfs/ctree.c:2858
 caching_kthread+0xce/0x330 fs/btrfs/inode-map.c:46
 kthread+0x119/0x130 kernel/kthread.c:246
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:413
Modules linked in:
CR2: 0000000000000130
---[ end trace bf96abba6c72aca5 ]---
RIP: 0010:__lock_acquire.isra.10+0x337/0x680 kernel/locking/lockdep.c:3294
Code: c7 c7 ff 77 f8 82 e8 d1 21 01 00 65 48 8b 3c 25 00 4f 01 00 e8 0b 12 00 00 e8 98 15 00 00 e8 76 6a 43 01 45 31 e4 eb a8 89 f0 <49> 8b 44 c7 08 48 85 c0 0f 85 40 fd ff ff e9 1a fd ff ff 44 89 4d
RSP: 0018:ffffc9000418fbe0 EFLAGS: 00010097
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000128
RBP: ffffc9000418fc10 R08: 0000000000000000 R09: 0000000000000000
R10: ffff88022a5396c0 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88022a5396c0 R15: 0000000000000128
FS:  0000000000000000(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000130 CR3: 000000022bb21000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	c7 c7 ff 77 f8 82    	mov    $0x82f877ff,%edi
   6:	e8 d1 21 01 00       	call   0x121dc
   b:	65 48 8b 3c 25 00 4f 	mov    %gs:0x14f00,%rdi
  12:	01 00
  14:	e8 0b 12 00 00       	call   0x1224
  19:	e8 98 15 00 00       	call   0x15b6
  1e:	e8 76 6a 43 01       	call   0x1436a99
  23:	45 31 e4             	xor    %r12d,%r12d
  26:	eb a8                	jmp    0xffffffd0
  28:	89 f0                	mov    %esi,%eax
* 2a:	49 8b 44 c7 08       	mov    0x8(%r15,%rax,8),%rax <-- trapping instruction
  2f:	48 85 c0             	test   %rax,%rax
  32:	0f 85 40 fd ff ff    	jne    0xfffffd78
  38:	e9 1a fd ff ff       	jmp    0xfffffd57
  3d:	44                   	rex.R
  3e:	89                   	.byte 0x89
  3f:	4d                   	rex.WRB