2023-02-13 18:46:12 +00:00
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--- src/content/browser/renderer_host/render_frame_host_impl.cc.orig 2023-02-08 21:38:09.974003318 +0100
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+++ src/content/browser/renderer_host/render_frame_host_impl.cc 2023-02-13 14:13:50.217792624 +0100
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2024-07-04 04:31:28 +00:00
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@@ -8,6 +8,7 @@
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2024-04-19 21:15:15 +00:00
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#include <deque>
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#include <limits>
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2023-02-13 18:46:12 +00:00
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#include <memory>
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+#include <new>
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2024-04-19 21:15:15 +00:00
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#include <optional>
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2024-09-16 18:02:24 +00:00
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#include <string_view>
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2023-02-13 18:46:12 +00:00
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#include <tuple>
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2024-07-04 04:31:28 +00:00
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@@ -1818,7 +1819,12 @@ RenderFrameHostImpl::~RenderFrameHostImp
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2023-02-13 18:46:12 +00:00
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// `DocumentService` and `RenderFrameHostUserData` subclasses are still valid
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// when their destructors run.
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2024-04-19 21:15:15 +00:00
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document_associated_data_->RemoveAllServices();
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2023-02-13 18:46:12 +00:00
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- document_associated_data_.reset();
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+ // HACK: Using .reset() here works on MSVC and LLVM libc++ because the std::optional
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+ // is still valid while the destructor runs. This does not work on GNU libstdc++
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+ // however which invalidates the optional before calling the destructor, causing a crash.
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+ // Upstream bug: https://bugs.chromium.org/p/chromium/issues/detail?id=1415154
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+ document_associated_data_->~DocumentAssociatedData();
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2024-04-19 21:15:15 +00:00
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+ new(&document_associated_data_) std::optional<DocumentAssociatedData>(std::nullopt);
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2023-02-13 18:46:12 +00:00
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2023-09-13 04:57:45 +00:00
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// If this was the last active frame in the SiteInstanceGroup, the
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// DecrementActiveFrameCount call will trigger the deletion of the
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2024-07-04 04:31:28 +00:00
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@@ -13254,7 +13260,9 @@ bool RenderFrameHostImpl::DidCommitNavig
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// RenderFrameHost commits before the navigation commits. This happens
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// when the current RenderFrameHost crashes before navigating to a new
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// URL.
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- document_associated_data_.emplace(*this,
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+ // bsc#1227307 — same root cause as above
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+ document_associated_data_->~DocumentAssociatedData();
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+ new(&document_associated_data_) std::optional<DocumentAssociatedData>(std::in_place, *this,
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navigation_request->GetDocumentToken());
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} else {
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// Cross-RenderFrameHost navigations that commit into a speculative
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