Attempting to load a wallet with an unknown descriptor causes a fatal error:
02022-09-06T01:51:06Z init message: Loading wallet…
12022-09-06T01:51:06Z [descriptor] Invalid descriptor: Can only have tr at top level: iostream error
22022-09-06T01:51:06Z [descriptor] Invalid descriptor: Can only have tr at top level: iostream error
32022-09-06T01:51:06Z [descriptor] Setting spkMan to active: id = 50e6032b4d1d62c020ebb6a4d0c8fafc6f01ea80f4d2a41c1a256086611636e9, type = legacy, internal = false
42022-09-06T01:51:06Z [descriptor] Setting spkMan to active: id = 7f709abbde61e8c253798375692bf41202e625ed74a65f9474d464be34fb2870, type = p2sh-segwit, internal = false
52022-09-06T01:51:06Z [descriptor] Setting spkMan to active: id = 2dc6c34099e0ca1235fc990a51042967ecbc8c8ac57062f964739cba2f451be8, type = bech32, internal = false
62022-09-06T01:51:06Z [descriptor] Setting spkMan to active: id = 8d3c63ea1ac9936e789713dc8bae857d328ff029ab9392e67c716752e9b11b0c, type = bech32m, internal = false
72022-09-06T01:51:06Z [descriptor] Releasing wallet
82022-09-06T01:51:06Z
9
10************************
11EXCEPTION: St12out_of_range
12map::at
13bitcoin in Runaway exception
14
15
16
17************************
18EXCEPTION: St12out_of_range
19map::at
20bitcoin in Runaway exception
21
22bitcoin-qt: ./checkqueue.h:204: CCheckQueue<CScriptCheck>::~CCheckQueue() [T = CScriptCheck]: Assertion `m_worker_threads.empty()' failed.
23Aborted
A fatal error occurred. Bitcoin Core can no longer continue safely and will quit.
To reproduce, a quick hack:
0--- a/src/script/descriptor.cpp
1+++ b/src/script/descriptor.cpp
2@@ -1408,7 +1408,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t& key_exp_index, Span<const
3 error = "Can only have addr() at top level";
4 return nullptr;
5 }
6- if (ctx == ParseScriptContext::TOP && Func("tr", expr)) {
7+ if (ctx == ParseScriptContext::TOP && Func("trx", expr)) {
8 auto arg = Expr(expr);
9 auto internal_key = ParsePubkey(key_exp_index, arg, ParseScriptContext::P2TR, out, error);
10 if (!internal_key) {