R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffff0582ca0
R13: 00007ffff0582f28 R14: 431bde82d7b634db R15: 00007f28ed98301d
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-tree.c:3230!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 5037 Comm: syz-executor349 Not tainted 6.5.0-rc5-next-20230809-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:btrfs_free_tree_block+0x788/0xb50 fs/btrfs/extent-tree.c:3230
Code: e8 7d 41 ff fd 31 ff 89 c5 89 c6 e8 22 97 16 fe 40 84 ed 0f 85 e5 fb ff ff e8 e4 9b 16 fe 0f 0b e9 d9 fb ff ff e8 d8 9b 16 fe <0f> 0b e8 d1 9b 16 fe 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc900039bf338 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807344a000 RCX: 0000000000000000
RDX: ffff888024e50000 RSI: ffffffff83712ba8 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: 1ffff92000737e6c
R13: ffff888076fbe000 R14: 0000000000000001 R15: ffff88807344a008
FS:  00005555555fc480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff6f01bfa0 CR3: 0000000027664000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __btrfs_cow_block+0xfbd/0x18f0 fs/btrfs/ctree.c:601
 btrfs_cow_block+0x2f1/0x820 fs/btrfs/ctree.c:712
 btrfs_search_slot+0x12a0/0x30e0 fs/btrfs/ctree.c:2194
 btrfs_insert_empty_items+0xb7/0x1b0 fs/btrfs/ctree.c:4376
 btrfs_insert_empty_item fs/btrfs/ctree.h:635 [inline]
 insert_balance_item.isra.0+0x167/0x1490 fs/btrfs/volumes.c:3469
 btrfs_balance+0x1064/0x3ef0 fs/btrfs/volumes.c:4367
 btrfs_ioctl_balance fs/btrfs/ioctl.c:3604 [inline]
 btrfs_ioctl+0x1362/0x5cf0 fs/btrfs/ioctl.c:4637
 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+0x18f/0x210 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f28ed93a699
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 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:00007ffff0582c48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007ffff0582c50 RCX: 00007f28ed93a699
RDX: 00000000200003c0 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 0000000000000002 R08: 00007ffff05829e6 R09: 0000000000003233
R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffff0582ca0
R13: 00007ffff0582f28 R14: 431bde82d7b634db R15: 00007f28ed98301d
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_free_tree_block+0x788/0xb50 fs/btrfs/extent-tree.c:3230
Code: e8 7d 41 ff fd 31 ff 89 c5 89 c6 e8 22 97 16 fe 40 84 ed 0f 85 e5 fb ff ff e8 e4 9b 16 fe 0f 0b e9 d9 fb ff ff e8 d8 9b 16 fe <0f> 0b e8 d1 9b 16 fe 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc900039bf338 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807344a000 RCX: 0000000000000000
RDX: ffff888024e50000 RSI: ffffffff83712ba8 RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000000001 R12: 1ffff92000737e6c
R13: ffff888076fbe000 R14: 0000000000000001 R15: ffff88807344a008
FS:  00005555555fc480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff6f01bfa0 CR3: 0000000027664000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400