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Hale" Subject: git: f5ea3defdeb0 - 2024Q1 - www/qt5-webengine: Address security vulnerabilities List-Id: Commits to the quarterly branches of the FreeBSD ports repository List-Archive: https://lists.freebsd.org/archives/dev-commits-ports-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-ports-branches@freebsd.org X-BeenThere: dev-commits-ports-branches@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: jhale X-Git-Repository: ports X-Git-Refname: refs/heads/2024Q1 X-Git-Reftype: branch X-Git-Commit: f5ea3defdeb0347287c161f71e9ea9ad19ff098f Auto-Submitted: auto-generated The branch 2024Q1 has been updated by jhale: URL: https://cgit.FreeBSD.org/ports/commit/?id=f5ea3defdeb0347287c161f71e9ea9ad19ff098f commit f5ea3defdeb0347287c161f71e9ea9ad19ff098f Author: Jason E. Hale AuthorDate: 2024-02-10 18:38:25 +0000 Commit: Jason E. Hale CommitDate: 2024-02-10 20:16:15 +0000 www/qt5-webengine: Address security vulnerabilities Patched with security patches up to Chromium version: 121.0.6167.160 While here, remove unneed extra-patch. All supported versions of FreeBSD have mempcpy(3). MFH: 2024Q1 Security: bbcb1584-c068-11ee-bdd6-4ccc6adda413, dc9e5237-c197-11ee-86bb-a8a1599412c6, 19047673-c680-11ee-86bb-a8a1599412c6 (cherry picked from commit 94ccf453a29a49c515c9ddf5465340e67bbad967) --- www/qt5-webengine/Makefile | 9 +- .../files/extra-patch-no-mempcpy-nasm | 11 - www/qt5-webengine/files/patch-security-rollup | 589 +++++++++++++++++++++ 3 files changed, 590 insertions(+), 19 deletions(-) diff --git a/www/qt5-webengine/Makefile b/www/qt5-webengine/Makefile index 908b666c6e20..527e33418bf4 100644 --- a/www/qt5-webengine/Makefile +++ b/www/qt5-webengine/Makefile @@ -19,7 +19,7 @@ PORTNAME= webengine DISTVERSION= ${QT5_VERSION}${QT5_KDE_PATCH} -PORTREVISION= 4 +PORTREVISION= 5 CATEGORIES= www PKGNAMEPREFIX= qt5- @@ -52,13 +52,6 @@ LIB_DEPENDS= libavcodec.so:multimedia/ffmpeg \ DISTINFO_FILE= ${.CURDIR}/distinfo QT5_VERSION= ${_KDE_webengine_VERSION} -# Add extra-patch-no-mempcpy-nasm only when there's no mempcpy() in base. -# Nested variable expansion avoids executing the test when not needed for -# expanding EXTRA_PATCHES. -# mempcpy was introduced in ee37f64cf875255338f917a9da76c643cf59786c -EXTRA_PATCHES+= ${"${:!${GREP} mempcpy ${CROSS_SYSROOT}/usr/include/string.h \ - || ${TRUE}!}" == "":?${PATCHDIR}/extra-patch-no-mempcpy-nasm:} - OPTIONS_SINGLE= AUDIO OPTIONS_SINGLE_AUDIO= ALSA PULSEAUDIO SNDIO OPTIONS_DEFAULT= ALSA diff --git a/www/qt5-webengine/files/extra-patch-no-mempcpy-nasm b/www/qt5-webengine/files/extra-patch-no-mempcpy-nasm deleted file mode 100644 index b9b39c0d846a..000000000000 --- a/www/qt5-webengine/files/extra-patch-no-mempcpy-nasm +++ /dev/null @@ -1,11 +0,0 @@ ---- src/3rdparty/chromium/third_party/nasm/config/config-linux.h.orig 2022-06-08 06:40:31 UTC -+++ src/3rdparty/chromium/third_party/nasm/config/config-linux.h -@@ -336,7 +336,7 @@ - #define HAVE_MEMORY_H 1 - - /* Define to 1 if you have the `mempcpy' function. */ --#define HAVE_MEMPCPY 1 -+/* #undef HAVE_MEMPCPY */ - - /* Define to 1 if you have a working `mmap' system call. */ - #define HAVE_MMAP 1 diff --git a/www/qt5-webengine/files/patch-security-rollup b/www/qt5-webengine/files/patch-security-rollup index 6fd5660e68f7..7cc2fb5af05e 100644 --- a/www/qt5-webengine/files/patch-security-rollup +++ b/www/qt5-webengine/files/patch-security-rollup @@ -15,6 +15,12 @@ Addresses the following security issues: - CVE-2023-7024 - CVE-2024-0224 - Security bug 1511689 +- CVE-2024-0807 +- CVE-2024-0808 +- Security bug 1519980 +- CVE-2024-1077 +- CVE-2024-1060 +- CVE-2024-1283 From 8ca846140881c9480b18bc9645b38fb9ea565ea3 Mon Sep 17 00:00:00 2001 From: Ken Rockot @@ -1918,3 +1924,586 @@ index 2614f4be458..07bc4def106 100644 Select *pWinSelect; /* SELECT statement for any window functions */ }; +From f1ef87d506845dd62bb0802e80092d53100222f4 Mon Sep 17 00:00:00 2001 +From: Hongchan Choi +Date: Fri, 12 Jan 2024 22:57:22 +0000 +Subject: [PATCH] [Backport] CVE-2024-0807: Use after free in WebAudio + +Manual cherry-pick of patch originally reviewed on +https://chromium-review.googlesource.com/c/chromium/src/+/5225523: +Update rendering state of automatic pull nodes before graph rendering + +M114 merge issues: + third_party/blink/renderer/modules/webaudio/analyser_handler.cc: +PullInputs/CheckNumberOfChannelsForInput not present in 114. + +In rare cases, the rendering fan out count of automatic pull node +does not match the main thread fan out count after recreating +a platform destination followed by disconnection. + +This CL forces the update of the rendering state of automatic +pull nodes before graph rendering to make sure that fan out counts +are synchronized before executing the audio processing function call. + +NOTE: This change makes 2 WPTs fail. The follow-up work is planned +to address them once this patch is merged. + +Bug: 1505080 +Test: Locally confirmed that ASAN doesn't crash on all repro cases. +Change-Id: I6768cd8bc64525ea9d56a19b9c58439e9cdab9a8 +Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5131958 +Commit-Queue: Hongchan Choi +Cr-Commit-Position: refs/heads/main@{#1246718} +(cherry picked from commit f4bffa09b46c21147431179e1e6dd2b27bc35fbc) +Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/537374 +Reviewed-by: Michal Klocek +--- + .../renderer/modules/webaudio/analyser_node.cc | 11 +++++++++-- + .../renderer/modules/webaudio/audio_worklet_node.cc | 13 +++++++++---- + .../modules/webaudio/audio_worklet_processor.cc | 6 ++++++ + .../modules/webaudio/deferred_task_handler.cc | 10 ++++++++++ + 4 files changed, 34 insertions(+), 6 deletions(-) + +diff --git a/chromium/third_party/blink/renderer/modules/webaudio/analyser_node.cc b/chromium/third_party/blink/renderer/modules/webaudio/analyser_node.cc +index cb281f5b728f..9f515af5d9a9 100644 +--- src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/analyser_node.cc ++++ src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/analyser_node.cc +@@ -51,9 +51,11 @@ AnalyserHandler::~AnalyserHandler() { + } + + void AnalyserHandler::Process(uint32_t frames_to_process) { +- AudioBus* output_bus = Output(0).Bus(); ++ DCHECK(Context()->IsAudioThread()); + +- if (!IsInitialized()) { ++ AudioBus* output_bus = Output(0).RenderingFanOutCount() > 0 ? Output(0).Bus() : nullptr; ++ ++ if (!IsInitialized() && output_bus) { + output_bus->Zero(); + return; + } +@@ -65,6 +67,11 @@ void AnalyserHandler::Process(uint32_t frames_to_process) { + // Analyser reflects the current input. + analyser_.WriteInput(input_bus.get(), frames_to_process); + ++ // Subsequent steps require `output_bus` to be valid. ++ if (!output_bus) { ++ return; ++ } ++ + if (!Input(0).IsConnected()) { + // No inputs, so clear the output, and propagate the silence hint. + output_bus->Zero(); +diff --git a/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_node.cc b/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_node.cc +index eccf002b6da6..5f18c4cd12d2 100644 +--- src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_node.cc ++++ src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_node.cc +@@ -102,11 +102,16 @@ void AudioWorkletHandler::Process(uint32_t frames_to_process) { + // We also need to check if the global scope is valid before we request + // the rendering in the AudioWorkletGlobalScope. + if (processor_ && !processor_->hasErrorOccurred()) { +- // If the input is not connected, inform the processor with nullptr. +- for (unsigned i = 0; i < NumberOfInputs(); ++i) ++ // If the input or the output is not connected, inform the processor with ++ // nullptr. ++ for (unsigned i = 0; i < NumberOfInputs(); ++i) { + inputs_[i] = Input(i).IsConnected() ? Input(i).Bus() : nullptr; +- for (unsigned i = 0; i < NumberOfOutputs(); ++i) +- outputs_[i] = WrapRefCounted(Output(i).Bus()); ++ } ++ for (unsigned i = 0; i < NumberOfOutputs(); ++i) { ++ outputs_[i] = Output(i).RenderingFanOutCount() > 0 ++ ? WrapRefCounted(Output(i).Bus()) ++ : nullptr; ++ } + + for (const auto& param_name : param_value_map_.Keys()) { + auto* const param_handler = param_handler_map_.at(param_name); +diff --git a/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_processor.cc b/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_processor.cc +index e68b1c1b2f6b..84ab72b9774c 100644 +--- src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_processor.cc ++++ src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/audio_worklet_processor.cc +@@ -343,6 +343,12 @@ void AudioWorkletProcessor::CopyArrayBuffersToPort( + + for (uint32_t bus_index = 0; bus_index < audio_port.size(); ++bus_index) { + const scoped_refptr& audio_bus = audio_port[bus_index]; ++ ++ // nullptr indicates the output bus is not connected. Do not proceed. ++ if (!audio_bus) { ++ break; ++ } ++ + for (uint32_t channel_index = 0; + channel_index < audio_bus->NumberOfChannels(); ++channel_index) { + const v8::ArrayBuffer::Contents& contents = +diff --git a/chromium/third_party/blink/renderer/modules/webaudio/deferred_task_handler.cc b/chromium/third_party/blink/renderer/modules/webaudio/deferred_task_handler.cc +index 76aa9acccd30..88e4228caefa 100644 +--- src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/deferred_task_handler.cc ++++ src/3rdparty/chromium/third_party/blink/renderer/modules/webaudio/deferred_task_handler.cc +@@ -169,6 +169,16 @@ void DeferredTaskHandler::UpdateAutomaticPullNodes() { + if (try_locker.Locked()) { + CopyToVector(automatic_pull_handlers_, + rendering_automatic_pull_handlers_); ++ ++ // In rare cases, it is possible for automatic pull nodes' output bus ++ // to become stale. Make sure update their rendering output counts. ++ // crbug.com/1505080. ++ for (auto& handler : rendering_automatic_pull_handlers_) { ++ for (unsigned i = 0; i < handler->NumberOfOutputs(); ++i) { ++ handler->Output(i).UpdateRenderingState(); ++ } ++ } ++ + automatic_pull_handlers_need_updating_ = false; + } + } +From 850527b41e56a8b48d99513eddcc75d4efe3c16d Mon Sep 17 00:00:00 2001 +From: Lyra Rebane +Date: Mon, 8 Jan 2024 13:39:46 +0000 +Subject: [PATCH] [Backport] CVE-2024-0808: Integer underflow in WebUI +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Manual backport of patch originally reviewed on +https://chromium-review.googlesource.com/c/chromium/src/+/5177426: +[M114-LTS] Verify resource order in data pack files + +This CL adds a resource order check when loading a data pack or calling DataPack::GetStringPiece to make sure the resources are ordered sequentially in memory. + +Bug: 1504936 +Change-Id: Ie3bf1d9dbac937407355935a859a5daa9ce84350 +Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5059113 +Commit-Queue: Peter Boström +Cr-Commit-Position: refs/heads/main@{#1238675} +(cherry picked from commit c4b2e6246ad0e95eaf0727bb25a2e4969155e989) +Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/537375 +Reviewed-by: Michal Klocek +--- + chromium/AUTHORS | 1 + + chromium/ui/base/resource/data_pack.cc | 19 ++++++++++++++++++- + .../ui/base/resource/data_pack_literal.cc | 12 ++++++++++++ + chromium/ui/base/resource/data_pack_literal.h | 2 ++ + 4 files changed, 33 insertions(+), 1 deletion(-) + +diff --git a/chromium/AUTHORS b/chromium/AUTHORS +index 92f53ac669a0..9d61a61e57b9 100644 +--- src/3rdparty/chromium/AUTHORS ++++ src/3rdparty/chromium/AUTHORS +@@ -631,6 +631,7 @@ Luke Inman-Semerau + Luke Seunghoe Gu + Luke Zarko + Luoxi Pan ++Lyra Rebane + Maarten Lankhorst + Magnus Danielsson + Mahesh Kulkarni +diff --git a/chromium/ui/base/resource/data_pack.cc b/chromium/ui/base/resource/data_pack.cc +index 09513e6aed24..4e522c9ad758 100644 +--- src/3rdparty/chromium/ui/base/resource/data_pack.cc ++++ src/3rdparty/chromium/ui/base/resource/data_pack.cc +@@ -400,7 +400,16 @@ bool DataPack::LoadImpl(std::unique_ptr data_source) { + } + } + +- // 3) Verify the aliases are within the appropriate bounds. ++ // 3) Verify the entries are ordered correctly. ++ for (size_t i = 0; i < resource_count_; ++i) { ++ if (resource_table_[i].file_offset > resource_table_[i + 1].file_offset) { ++ LOG(ERROR) << "Data pack file corruption: " ++ << "Entry #" << i + 1 << " before Entry #" << i << "."; ++ return false; ++ } ++ } ++ ++ // 4) Verify the aliases are within the appropriate bounds. + for (size_t i = 0; i < alias_count_; ++i) { + if (alias_table_[i].entry_index >= resource_count_) { + LOG(ERROR) << "Data pack file corruption: " +@@ -461,6 +470,14 @@ bool DataPack::GetStringPiece(uint16_t resource_id, + << "file modified?"; + return false; + } ++ if (target->file_offset > next_entry->file_offset) { ++ size_t entry_index = target - resource_table_; ++ size_t next_index = next_entry - resource_table_; ++ LOG(ERROR) << "Entry #" << next_index << " in data pack is before Entry #" ++ << entry_index << ". This should have been caught when loading. " ++ << "Was the file modified?"; ++ return false; ++ } + + MaybePrintResourceId(resource_id); + size_t length = next_entry->file_offset - target->file_offset; +diff --git a/chromium/ui/base/resource/data_pack_literal.cc b/chromium/ui/base/resource/data_pack_literal.cc +index f6669ed82447..70e225b6e84e 100644 +--- src/3rdparty/chromium/ui/base/resource/data_pack_literal.cc ++++ src/3rdparty/chromium/ui/base/resource/data_pack_literal.cc +@@ -91,6 +91,18 @@ const char kSampleCorruptPakContents[] = { + + const size_t kSampleCorruptPakSize = sizeof(kSampleCorruptPakContents); + ++const uint8_t kSampleMisorderedPakContents[] = { ++ 0x05, 0x00, 0x00, 0x00, // version ++ 0x01, 0x00, 0x00, 0x00, // encoding + padding ++ 0x02, 0x00, 0x00, 0x00, // num_resources, num_aliases ++ 0x06, 0x00, 0x2a, 0x00, 0x00, 0x00, // index entry 6 (wrong order) ++ 0x04, 0x00, 0x1e, 0x00, 0x00, 0x00, // index entry 4 ++ 0x00, 0x00, 0x36, 0x00, 0x00, 0x00, // extra entry for the size of last ++ 't', 'h', 'i', 's', ' ', 'i', 's', ' ', 'i', 'd', ' ', '4', ++ 't', 'h', 'i', 's', ' ', 'i', 's', ' ', 'i', 'd', ' ', '6'}; ++ ++const size_t kSampleMisorderedPakSize = sizeof(kSampleMisorderedPakContents); ++ + const char kSamplePakContents2x[] = { + 0x04, 0x00, 0x00, 0x00, // header(version + 0x01, 0x00, 0x00, 0x00, // no. entries +diff --git a/chromium/ui/base/resource/data_pack_literal.h b/chromium/ui/base/resource/data_pack_literal.h +index 83a8dc04c141..a7fcf2bf85c7 100644 +--- src/3rdparty/chromium/ui/base/resource/data_pack_literal.h ++++ src/3rdparty/chromium/ui/base/resource/data_pack_literal.h +@@ -19,6 +19,8 @@ extern const char kEmptyPakContents[]; + extern const size_t kEmptyPakSize; + extern const char kSampleCorruptPakContents[]; + extern const size_t kSampleCorruptPakSize; ++extern const uint8_t kSampleMisorderedPakContents[]; ++extern const size_t kSampleMisorderedPakSize; + + } // namespace ui + +From 629a490cede4673cec29addd4629c432319a3b6f Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Peter=20Bostr=C3=B6m?= +Date: Tue, 23 Jan 2024 01:06:06 +0000 +Subject: [PATCH] [Backport] Security bug 1519980 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Manual cherry-pick of patch originally reviewed on +https://chromium-review.googlesource.com/c/chromium/src/+/5226127: +Speculatively fix race in mojo ShutDownOnIOThread + +This acquires `write_lock_` before resetting handles used by WriteNoLock +(which is called under the same lock in another thread). We also set +`reject_writes_` to prevent future write attempts after shutdown. That +seems strictly more correct. + +We also acquire `fds_to_close_lock_` before clearing the FDs. + +I was unable to repro locally as content_browsertests just times out +in my local setup without reporting anything interesting. This seems +strictly more correct though. + +Bug: 1519980 +Change-Id: I96279936ca908ecb98eddd381df20d61597cba43 +Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5226127 +Auto-Submit: Peter Boström +Reviewed-by: Ken Rockot +Commit-Queue: Ken Rockot +Commit-Queue: Peter Boström +Cr-Commit-Position: refs/heads/main@{#1250580} +Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/537376 +Reviewed-by: Michal Klocek +--- + chromium/mojo/core/channel_posix.cc | 27 ++++++++++++++++----------- + 1 file changed, 16 insertions(+), 11 deletions(-) + +diff --git a/chromium/mojo/core/channel_posix.cc b/chromium/mojo/core/channel_posix.cc +index d7d9d6cfee15..e17aa8d82a91 100644 +--- src/3rdparty/chromium/mojo/core/channel_posix.cc ++++ src/3rdparty/chromium/mojo/core/channel_posix.cc +@@ -242,18 +242,23 @@ class ChannelPosix : public Channel, + void ShutDownOnIOThread() { + base::CurrentThread::Get()->RemoveDestructionObserver(this); + +- read_watcher_.reset(); +- write_watcher_.reset(); +- if (leak_handle_) { +- ignore_result(socket_.release()); +- server_.TakePlatformHandle().release(); +- } else { +- socket_.reset(); +- ignore_result(server_.TakePlatformHandle()); ++ { ++ base::AutoLock lock(write_lock_); ++ reject_writes_ = true; ++ read_watcher_.reset(); ++ write_watcher_.reset(); ++ if (leak_handle_) { ++ std::ignore = socket_.release(); ++ server_.TakePlatformHandle().release(); ++ } else { ++ socket_.reset(); ++ std::ignore = server_.TakePlatformHandle(); ++ } ++ #if defined(OS_IOS) ++ base::AutoLock fd_lock(fds_to_close_lock_); ++ fds_to_close_.clear(); ++ #endif + } +-#if defined(OS_IOS) +- fds_to_close_.clear(); +-#endif + + // May destroy the |this| if it was the last reference. + self_ = nullptr; +From 024962f9456bbb5823a877441e92ca3af30279a6 Mon Sep 17 00:00:00 2001 +From: Tsuyoshi Horo +Date: Tue, 9 Jan 2024 08:40:00 +0000 +Subject: [PATCH] [Backport] CVE-2024-1077: Use after free in Network + +Cherry-pick of patch originally reviewed on +https://chromium-review.googlesource.com/c/chromium/src/+/5179746: +Fix UAF in SourceStreamToDataPipe + +SourceStreamToDataPipe::ReadMore() is passing a callback with +Unretained(this) to net::SourceStream::Read(). But this callback may be +called even after the SourceStream is destructed. This is causing UAF +issue (crbug.com/1511085). + +To solve this problem, this CL changes ReadMore() method to pass a +callback with a weak ptr of this. + +Bug: 1511085 +Change-Id: Idd4e34ff300ff5db2de1de7b303841c7db3a964a +Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5179746 +Reviewed-by: Adam Rice +Commit-Queue: Tsuyoshi Horo +Cr-Commit-Position: refs/heads/main@{#1244526} +Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/537377 +Reviewed-by: Michal Klocek +--- + .../network/public/cpp/source_stream_to_data_pipe.cc | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/chromium/services/network/public/cpp/source_stream_to_data_pipe.cc b/chromium/services/network/public/cpp/source_stream_to_data_pipe.cc +index d6ade7b0ec52..615804ad8d29 100644 +--- src/3rdparty/chromium/services/network/public/cpp/source_stream_to_data_pipe.cc ++++ src/3rdparty/chromium/services/network/public/cpp/source_stream_to_data_pipe.cc +@@ -53,9 +53,9 @@ void SourceStreamToDataPipe::ReadMore() { + + scoped_refptr buffer( + new network::NetToMojoIOBuffer(pending_write_.get())); +- int result = source_->Read( +- buffer.get(), base::checked_cast(num_bytes), +- base::BindOnce(&SourceStreamToDataPipe::DidRead, base::Unretained(this))); ++ int result = source_->Read(buffer.get(), base::checked_cast(num_bytes), ++ base::BindOnce(&SourceStreamToDataPipe::DidRead, ++ weak_factory_.GetWeakPtr())); + + if (result != net::ERR_IO_PENDING) + DidRead(result); +From 06e89516b94241e088f6d350bc3a113e726355cd Mon Sep 17 00:00:00 2001 +From: Jean-Philippe Gravel +Date: Wed, 17 Jan 2024 17:45:45 +0000 +Subject: [PATCH] [Backport] CVE-2024-1060: Use after free in Canvas + +Manual backport of patch originally reviewed on +https://chromium-review.googlesource.com/c/chromium/src/+/5198419: +Fix use-after-free in DrawTextInternal + +DrawTextInternal was calling GetOrCreatePaintCanvas multiple times, +once at the start of the function, once inside of the +BaseRenderingContext2DAutoRestoreSkCanvas helper class and once in the +Draw call. GetOrCreatePaintCanvas destroys the canvas resource provider +if the GPU context is lost. If this happens on the second call to +GetOrCreatePaintCanvas, destroying the resource provider will +invalidate the cc::PaintCanvas returned by the first call to +GetOrCreatePaintCanvas. + +The GPU process can technically crash at any point during the renderer +process execution (perhaps because of something another renderer +process did). We therefore have to assume that any call to +GetOrCreatePaintCanvas can invalidate previously returned +cc::PaintCanvas. + +Change-Id: Ifa77735ab1b2b55b3d494f886b8566299937f6fe +Fixed: 1511567 +Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5198419 +Reviewed-by: Fernando Serboncini +Commit-Queue: Jean-Philippe Gravel +Cr-Commit-Position: refs/heads/main@{#1248204} +Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/537378 +Reviewed-by: Michal Klocek +--- + .../canvas2d/canvas_rendering_context_2d.cc | 50 ++++++------------- + .../canvas2d/canvas_rendering_context_2d.h | 2 - + 2 files changed, 16 insertions(+), 36 deletions(-) + +diff --git a/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.cc b/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.cc +index ade14e0102ae..fe8c4cd277ce 100644 +--- src/3rdparty/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.cc ++++ src/3rdparty/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.cc +@@ -86,35 +86,6 @@ static bool ContextLostRestoredEventsEnabled() { + return RuntimeEnabledFeatures::Canvas2dContextLostRestoredEnabled(); + } + +-// Drawing methods need to use this instead of SkAutoCanvasRestore in case +-// overdraw detection substitutes the recording canvas (to discard overdrawn +-// draw calls). +-class CanvasRenderingContext2DAutoRestoreSkCanvas { +- STACK_ALLOCATED(); +- +- public: +- explicit CanvasRenderingContext2DAutoRestoreSkCanvas( +- CanvasRenderingContext2D* context) +- : context_(context), save_count_(0) { +- DCHECK(context_); +- cc::PaintCanvas* c = context_->GetOrCreatePaintCanvas(); +- if (c) { +- save_count_ = c->getSaveCount(); +- } +- } +- +- ~CanvasRenderingContext2DAutoRestoreSkCanvas() { +- cc::PaintCanvas* c = context_->GetOrCreatePaintCanvas(); +- if (c) +- c->restoreToCount(save_count_); +- context_->ValidateStateStack(); +- } +- +- private: +- CanvasRenderingContext2D* context_; +- int save_count_; +-}; +- + CanvasRenderingContext2D::CanvasRenderingContext2D( + HTMLCanvasElement* canvas, + const CanvasContextCreationAttributesCore& attrs) +@@ -850,9 +821,11 @@ void CanvasRenderingContext2D::DrawTextInternal( + // to 0, for example), so update style before grabbing the PaintCanvas. + canvas()->GetDocument().UpdateStyleAndLayoutTreeForNode(canvas()); + +- cc::PaintCanvas* c = GetOrCreatePaintCanvas(); +- if (!c) ++ // Abort if we don't have a paint canvas (e.g. the context was lost). ++ cc::PaintCanvas* paint_canvas = GetOrCreatePaintCanvas(); ++ if (!paint_canvas) { + return; ++ } + + if (!std::isfinite(x) || !std::isfinite(y)) + return; +@@ -920,14 +893,13 @@ void CanvasRenderingContext2D::DrawTextInternal( + if (paint_type == CanvasRenderingContext2DState::kStrokePaintType) + InflateStrokeRect(bounds); + +- CanvasRenderingContext2DAutoRestoreSkCanvas state_restorer(this); + if (use_max_width) { +- c->save(); ++ paint_canvas->save(); + // We draw when fontWidth is 0 so compositing operations (eg, a "copy" op) + // still work. As the width of canvas is scaled, so text can be scaled to + // match the given maxwidth, update text location so it appears on desired + // place. +- c->scale(clampTo(width / font_width), 1); ++ paint_canvas->scale(clampTo(width / font_width), 1); + location.SetX(location.X() / clampTo(width / font_width)); + } + +@@ -942,6 +914,16 @@ void CanvasRenderingContext2D::DrawTextInternal( + [](const SkIRect& rect) // overdraw test lambda + { return false; }, + bounds, paint_type, CanvasRenderingContext2DState::kNoImage); ++ ++ if (use_max_width) { ++ // Cannot use `paint_canvas` in case recording canvas was substituted or ++ // destroyed during draw call. ++ cc::PaintCanvas* c = GetPaintCanvas(); ++ if (c) { ++ c->restore(); ++ } ++ } ++ ValidateStateStack(); + } + + const Font& CanvasRenderingContext2D::AccessFont() { +diff --git a/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.h b/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.h +index ac10ae4389a8..b0d09f182a7d 100644 +--- src/3rdparty/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.h ++++ src/3rdparty/chromium/third_party/blink/renderer/modules/canvas/canvas2d/canvas_rendering_context_2d.h +@@ -236,8 +236,6 @@ class MODULES_EXPORT CanvasRenderingContext2D final + void WillOverwriteCanvas() override; + + private: +- friend class CanvasRenderingContext2DAutoRestoreSkCanvas; +- + void DispatchContextLostEvent(TimerBase*); + void DispatchContextRestoredEvent(TimerBase*); + void TryRestoreContextEvent(TimerBase*); +From 6f0832285560ce72dfe1403a1c2d7a53f6bf7f55 Mon Sep 17 00:00:00 2001 +From: John Stiles +Date: Mon, 29 Jan 2024 23:50:14 +0000 +Subject: [PATCH] [Backport] CVE-2024-1283: Heap buffer overflow in Skia + +Manual cherry-pick of patch originally reviewed on +https://chromium-review.googlesource.com/c/chromium/src/+/5241305: +Fix a crash when a BMP image contains an unnecessary EOF code. + +Previously, this would try to perform color correction on a row +one past the end of the image data. + +Bug: 1521893 +Change-Id: I425437005b9ef400138556705616095857d2cf0d +Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5241305 +Auto-Submit: John Stiles +Commit-Queue: John Stiles +Reviewed-by: Peter Kasting +Cr-Commit-Position: refs/heads/main@{#1253633} +Reviewed-on: https://codereview.qt-project.org/c/qt/qtwebengine-chromium/+/538168 +Reviewed-by: Michal Klocek +--- + .../image-decoders/bmp/bmp_image_reader.cc | 18 +++++++++++++++--- + 1 file changed, 15 insertions(+), 3 deletions(-) + +diff --git a/chromium/third_party/blink/renderer/platform/image-decoders/bmp/bmp_image_reader.cc b/chromium/third_party/blink/renderer/platform/image-decoders/bmp/bmp_image_reader.cc +index 562223397030..662e66cab884 100644 +--- src/3rdparty/chromium/third_party/blink/renderer/platform/image-decoders/bmp/bmp_image_reader.cc ++++ src/3rdparty/chromium/third_party/blink/renderer/platform/image-decoders/bmp/bmp_image_reader.cc +@@ -827,8 +827,11 @@ BMPImageReader::ProcessingResult BMPImageReader::ProcessRLEData() { + // the image. + const uint8_t count = ReadUint8(0); + const uint8_t code = ReadUint8(1); +- if ((count || (code != 1)) && PastEndOfImage(0)) ++ const bool is_past_end_of_image = PastEndOfImage(0); ++ if ((count || (code != 1)) && is_past_end_of_image) { + return kFailure; ++ } ++ + + // Decode. + if (!count) { +@@ -849,7 +852,9 @@ BMPImageReader::ProcessingResult BMPImageReader::ProcessRLEData() { + (is_top_down_ ? (coord_.Y() < (parent_->Size().Height() - 1)) + : (coord_.Y() > 0))) + buffer_->SetHasAlpha(true); +- ColorCorrectCurrentRow(); ++ if (!is_past_end_of_image) { ++ ColorCorrectCurrentRow(); ++ } + // There's no need to move |coord_| here to trigger the caller + // to call SetPixelsChanged(). If the only thing that's changed + // is the alpha state, that will be properly written into the +@@ -1061,6 +1066,13 @@ void BMPImageReader::ColorCorrectCurrentRow() { + const ColorProfileTransform* const transform = parent_->ColorTransform(); + if (!transform) + return; ++ int decoder_width = parent_->Size().Width(); ++ // Enforce 0 ≤ current row < bitmap height. ++ CHECK_GE(coord_.Y(), 0); ++ CHECK_LT(coord_.Y(), buffer_->Bitmap().height()); ++ // Enforce decoder width == bitmap width exactly. (The bitmap rowbytes might ++ // add a bit of padding, but we are only converting one row at a time.) ++ CHECK_EQ(decoder_width, buffer_->Bitmap().width()); + ImageFrame::PixelData* const row = buffer_->GetAddr(0, coord_.Y()); + const skcms_PixelFormat fmt = XformColorFormat(); + const skcms_AlphaFormat alpha = +@@ -1069,7 +1081,7 @@ void BMPImageReader::ColorCorrectCurrentRow() { + : skcms_AlphaFormat_Unpremul; + const bool success = + skcms_Transform(row, fmt, alpha, transform->SrcProfile(), row, fmt, alpha, +- transform->DstProfile(), parent_->Size().Width()); ++ transform->DstProfile(), decoder_width); + DCHECK(success); + buffer_->SetPixelsChanged(true); + }