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LibWeb: Do not store network errors as a StringView
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Browse source 
This is very clearly a very dangerous API to have, and was causing
a crash on Linux as a result of a stack use-after-free when visiting
https://www.index.hr/.

Fixes #3901
This commit is contained in:
Shannon Booth 2025-04-02 20:51:45 +13:00 • committed by Andreas Kling
parent 82a2ae99c8
commit a5df972055
Notes: github-actions[bot] 2025-04-02 12:54:16 +00:00
10 changed files with 44 additions and 50 deletions
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2
Libraries/LibWeb/Fetch/FetchMethod.cpp
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@ -104,7 +104,7 @@ GC::Ref<WebIDL::Promise> fetch(JS::VM& vm, RequestInfo const& input, RequestInit
// 3. If response is a network error, then reject p with a TypeError and abort these steps.
if (response->is_network_error()) {
auto message = response->network_error_message().value_or("Response is a network error"sv);
auto message = response->network_error_message().value_or("Response is a network error"_string);
WebIDL::reject_promise(relevant_realm, promise_capability, JS::TypeError::create(relevant_realm, message));
return;
}