298541 2025-09-08 09:46:22 -0700 REGRESSION(299677@main): [macOS iOS Debug] ASSERTION FAILED: parameters.bufferFormat.pixelFormat == PixelFormat::BGRA8 2025-09-08 10:09:03 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 298426 1 darbinyan webkit-unassigned webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 2141629 0 darbinyan 2025-09-08 09:46:22 -0700 The following tests are crashing on Debug macOS with assertion error starting from 299677@main. ipc/insufficient-svgfilter-inputs-crash.html ipc/invalid-svgfilter-expression-crash.html ASSERTION FAILED: parameters.bufferFormat.pixelFormat == PixelFormat::BGRA8 || parameters.bufferFormat.pixelFormat == PixelFormat::BGRX8 /Volumes/Data/worker/macOS-Sequoia-Debug-Build-EWS/build/Source/WebKit/WebProcess/GPU/graphics/ImageBufferShareableBitmapBackend.cpp(71) : static std::unique_ptr<ImageBufferShareableBitmapBackend> WebKit::ImageBufferShareableBitmapBackend::create(const Parameters &, const ImageBufferCreationContext &) 1 0x11a4947fc WebKit::ImageBufferShareableBitmapBackend::create(WebCore::ImageBufferBackendParameters const&, WebCore::ImageBufferCreationContext const&) 2 0x11836bca4 WTF::RefPtr<WebCore::ImageBuffer, WTF::RawPtrTraits<WebCore::ImageBuffer>, WTF::DefaultRefDerefTraits<WebCore::ImageBuffer>> WebCore::ImageBuffer::create<WebKit::ImageBufferShareableBitmapBackend, WebCore::ImageBuffer>(WebCore::FloatSize const&, float, WebCore::DestinationColorSpace const&, WebCore::ImageBufferFormat, WebCore::RenderingPurpose, WebCore::ImageBufferCreationContext const&) 3 0x118d4cf94 WTF::RefPtr<WebCore::ImageBuffer, WTF::RawPtrTraits<WebCore::ImageBuffer>, WTF::DefaultRefDerefTraits<WebCore::ImageBuffer>> WebKit::allocateImageBufferInternal<WebCore::ImageBuffer>(WebCore::FloatSize const&, WebCore::RenderingMode, WebCore::RenderingPurpose, float, WebCore::DestinationColorSpace const&, WebCore::ImageBufferFormat, WebCore::ImageBufferCreationContext&) 4 0x118d4adbc WebKit::RemoteRenderingBackend::allocateImageBuffer(WebCore::FloatSize const&, WebCore::RenderingMode, WebCore::RenderingPurpose, float, WebCore::DestinationColorSpace const&, WebCore::ImageBufferFormat, WebCore::ImageBufferCreationContext) History: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&test=ipc%2Finsufficient-svgfilter-inputs-crash.html&test=ipc%2Finvalid-svgfilter-expression-crash.html&style=debug Test result: https://ews-build.s3-us-west-2.amazonaws.com/macOS-Sequoia-Debug-WK2-Tests-EWS/e5e08d47-35514/results.html 2141630 1 webkit-bug-importer 2025-09-08 09:46:46 -0700 <rdar://problem/160124047> 2141639 2 ews-feeder 2025-09-08 10:09:01 -0700 Committed 299697@main (50a7a6734aef): <https://commits.webkit.org/299697@main> Reviewed commits have been landed. Closing PR #50453 and removing active labels.