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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
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/Response.cpp
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@ -173,7 +173,7 @@ GC::Ref<Response> Response::error(JS::VM& vm)
{
// The static error() method steps are to return the result of creating a Response object, given a new network error, "immutable", and this’s relevant Realm.
// FIXME: How can we reliably get 'this', i.e. the object the function was called on, in IDL-defined functions?
return Response::create(*vm.current_realm(), Infrastructure::Response::network_error(vm, "Response created via `Response.error()`"sv), Headers::Guard::Immutable);
return Response::create(*vm.current_realm(), Infrastructure::Response::network_error(vm, "Response created via `Response.error()`"_string), Headers::Guard::Immutable);
}
// https://fetch.spec.whatwg.org/#dom-response-redirect