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LibWeb: Make ListOfAvailableImages actually visit images during GC

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Instead of making the "Entry" inner struct GC-allocated and marking
*that*, we now mark the image instead.

This fixes an issue found by ASAN on https://mozilla.com/
This commit is contained in:
Andreas Kling 2023-12-23 18:17:04 +01:00
parent f4fa37afd2
commit f953a70965
3 changed files with 19 additions and 39 deletions
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8
Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
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@ -373,7 +373,7 @@ ErrorOr<void> HTMLImageElement::update_the_image_data(bool restart_animations, b
key.origin = document().origin();
// 3. If the list of available images contains an entry for key, then:
if (auto entry = document().list_of_available_images().get(key)) {
if (auto* entry = document().list_of_available_images().get(key)) {
// 1. Set the ignore higher-layer caching flag for that entry.
entry->ignore_higher_layer_caching = true;
@ -598,7 +598,7 @@ void HTMLImageElement::add_callbacks_to_image_request(JS::NonnullGCPtr<ImageRequ
image_request->set_state(ImageRequest::State::CompletelyAvailable);
// 3. Add the image to the list of available images using the key key, with the ignore higher-layer caching flag set.
document().list_of_available_images().add(key, *image_data, true).release_value_but_fixme_should_propagate_errors();
document().list_of_available_images().add(key, *image_data, true);
// 4. If maybe omit events is not set or previousURL is not equal to urlString, then fire an event named load at the img element.
if (!maybe_omit_events || previous_url != url_string)
@ -731,7 +731,7 @@ void HTMLImageElement::react_to_changes_in_the_environment()
image_request->set_state(ImageRequest::State::CompletelyAvailable);
// 4. Add the image to the list of available images using the key key, with the ignore higher-layer caching flag set.
document().list_of_available_images().add(key, image_data, true).release_value_but_fixme_should_propagate_errors();
document().list_of_available_images().add(key, image_data, true);
// 5. Upgrade the pending request to the current request.
upgrade_pending_request_to_current_request();
@ -749,7 +749,7 @@ void HTMLImageElement::react_to_changes_in_the_environment()
// 14. If the list of available images contains an entry for key, then set image request's image data to that of the entry.
// Continue to the next step.
if (auto entry = document().list_of_available_images().get(key)) {
if (auto* entry = document().list_of_available_images().get(key)) {
image_request->set_image_data(entry->image_data);
step_15(selected_source.value(), *image_request, key, entry->image_data);
}