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LibThreading: Only run on_error callback when action wasn't canceled

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This mirrors the same UAF protection for event loops used by the
on_complete callback.
This commit is contained in:
kleines Filmröllchen 2023-05-11 22:00:22 +02:00 committed by Andrew Kaster
parent 7704d89496
commit 04b44a827a
Notes: sideshowbarker 2024-07-17 04:34:25 +09:00 
Author: https://github.com/kleinesfilmroellchen
Commit: https://github.com/SerenityOS/serenity/commit/04b44a827a
Pull-request: https://github.com/SerenityOS/serenity/pull/18774
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/LucasChollet
1 changed files with 3 additions and 1 deletions
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4
Userland/Libraries/LibThreading/BackgroundAction.h
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@ -100,13 +100,15 @@ private:
error = result.release_error();
m_promise->cancel(Error::from_errno(ECANCELED));
if (m_on_error) {
if (!m_canceled && m_on_error) {
callback_scheduled = true;
origin_event_loop->deferred_invoke([this, error = move(error)]() mutable {
m_on_error(move(error));
remove_from_parent();
});
origin_event_loop->wake();
} else if (m_on_error) {
m_on_error(move(error));
}
}