R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fb841b9bf80 R15: 00007ffec5c68648
 </TASK>
------------[ cut here ]------------
kernel BUG at fs/btrfs/extent-tree.c:3252!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19284 Comm: syz-executor.2 Not tainted 6.5.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:btrfs_free_tree_block+0x788/0xb50 fs/btrfs/extent-tree.c:3252
Code: e8 2d 3e 02 fe 31 ff 89 c5 89 c6 e8 32 78 19 fe 40 84 ed 0f 85 e5 fb ff ff e8 f4 7c 19 fe 0f 0b e9 d9 fb ff ff e8 e8 7c 19 fe <0f> 0b e8 e1 7c 19 fe 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc9000c8272d0 EFLAGS: 00010283
RAX: 000000000003984a RBX: ffff8880254d7608 RCX: ffffc90007681000
RDX: 0000000000040000 RSI: ffffffff836ba418 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000094000 R12: 1ffff92001904e5f
R13: ffff888063a340a8 R14: 0000000000000001 R15: ffff8880254d7610
FS:  00007fb8427386c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002098d000 CR3: 000000010e073000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __btrfs_cow_block+0xfb3/0x18e0 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:636 [inline]
 btrfs_insert_inode_ref+0x1c6/0xd30 fs/btrfs/inode-item.c:331
 btrfs_rename+0x766/0x1c00 fs/btrfs/inode.c:9224
 btrfs_rename2+0x7b/0x120 fs/btrfs/inode.c:9334
 vfs_rename+0x13e0/0x1c30 fs/namei.c:4857
 do_renameat2+0xc3c/0xdc0 fs/namei.c:5009
 __do_sys_rename fs/namei.c:5055 [inline]
 __se_sys_rename fs/namei.c:5053 [inline]
 __x64_sys_rename+0x81/0xa0 fs/namei.c:5053
 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: 0033:0x7fb841a7cae9
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:00007fb8427380c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007fb841b9bf80 RCX: 00007fb841a7cae9
RDX: 0000000000000000 RSI: 0000000020000880 RDI: 0000000020000200
RBP: 00007fb842738120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000000b R14: 00007fb841b9bf80 R15: 00007ffec5c68648
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:btrfs_free_tree_block+0x788/0xb50 fs/btrfs/extent-tree.c:3252
Code: e8 2d 3e 02 fe 31 ff 89 c5 89 c6 e8 32 78 19 fe 40 84 ed 0f 85 e5 fb ff ff e8 f4 7c 19 fe 0f 0b e9 d9 fb ff ff e8 e8 7c 19 fe <0f> 0b e8 e1 7c 19 fe 49 8d 7d 20 48 b8 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc9000c8272d0 EFLAGS: 00010283
RAX: 000000000003984a RBX: ffff8880254d7608 RCX: ffffc90007681000
RDX: 0000000000040000 RSI: ffffffff836ba418 RDI: 0000000000000005
RBP: 0000000000000005 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000fffffff4 R11: 0000000000094000 R12: 1ffff92001904e5f
R13: ffff888063a340a8 R14: 0000000000000001 R15: ffff8880254d7610
FS:  00007fb8427386c0(0000) GS:ffff88806b600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002098d000 CR3: 000000010e073000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400