btrfs_relocate_block_group+0x7ab/0xd70 fs/btrfs/relocation.c:4126
   btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3275
   __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:4010
   btrfs_balance+0xbd8/0x10d0 fs/btrfs/volumes.c:4387
   btrfs_ioctl_balance+0x496/0x7c0 fs/btrfs/ioctl.c:3610
------------[ cut here ]------------
WARNING: CPU: 0 PID: 21110 at fs/btrfs/extent-tree.c:851 lookup_inline_extent_backref+0x1041/0x14b0
Modules linked in:
CPU: 0 PID: 21110 Comm: syz-executor.2 Not tainted 6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:lookup_inline_extent_backref+0x1041/0x14b0 fs/btrfs/extent-tree.c:851
Code: 9c 24 28 01 00 00 bf c0 00 00 00 89 de e8 b7 7c 00 fe 81 fb c0 00 00 00 0f 83 fd 00 00 00 e8 16 7a 00 fe eb 81 e8 0f 7a 00 fe <0f> 0b 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 17 29
RSP: 0018:ffffc90014afe9a0 EFLAGS: 00010246
RAX: ffffffff838da351 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90003ce2000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc90014afeb50 R08: ffffffff838d975a R09: 0000000000000000
R10: ffffc90014afe700 R11: fffff5200295fce2 R12: dffffc0000000000
R13: ffff888031969e70 R14: ffff888036fb0000 R15: ffffc90014afeac0
FS:  00007fac0b75a6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc5750f8000 CR3: 0000000027fc6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 insert_inline_extent_backref+0xda/0x2a0 fs/btrfs/extent-tree.c:1194
 __btrfs_inc_extent_ref+0x123/0x5b0 fs/btrfs/extent-tree.c:1494
 run_delayed_tree_ref fs/btrfs/extent-tree.c:1715 [inline]
 run_one_delayed_ref fs/btrfs/extent-tree.c:1742 [inline]
 btrfs_run_delayed_refs_for_head fs/btrfs/extent-tree.c:1988 [inline]
 __btrfs_run_delayed_refs+0x1199/0x4000 fs/btrfs/extent-tree.c:2049
 btrfs_run_delayed_refs+0x2f3/0x470 fs/btrfs/extent-tree.c:2161
 qgroup_account_snapshot+0xce/0x340 fs/btrfs/transaction.c:1570
 create_pending_snapshot+0x1050/0x28b0 fs/btrfs/transaction.c:1846
 create_pending_snapshots+0x195/0x1d0 fs/btrfs/transaction.c:1915
 btrfs_commit_transaction+0xf1c/0x3730 fs/btrfs/transaction.c:2388
 prepare_to_relocate+0x3c5/0x4c0 fs/btrfs/relocation.c:3639
 relocate_block_group+0x17f/0xcd0 fs/btrfs/relocation.c:3664
 btrfs_relocate_block_group+0x7ab/0xd70 fs/btrfs/relocation.c:4126
 btrfs_relocate_chunk+0x12c/0x3b0 fs/btrfs/volumes.c:3275
 __btrfs_balance+0x1b06/0x2690 fs/btrfs/volumes.c:4010
 btrfs_balance+0xbd8/0x10d0 fs/btrfs/volumes.c:4387
 btrfs_ioctl_balance+0x496/0x7c0 fs/btrfs/ioctl.c:3610
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xf8/0x170 fs/ioctl.c:857
 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: 0033:0x7fac0aa7cae9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fac0b75a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fac0ab9bf80 RCX: 00007fac0aa7cae9
RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 000000000000000c
RBP: 00007fac0aac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fac0ab9bf80 R15: 00007fff0f331078
 </TASK>