232972 2021-11-10 17:02:32 -0800 REGRESSION(r285481): Infinite recursion with cyclic filter reference 2021-11-12 21:52:51 -0800 1 1 1 Unclassified WebKit SVG WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=232369 InRadar P2 Normal --- 231253 1 sabouhallawa sabouhallawa changseok dino esprehn+autocc ews-watchlist fmalita glenn gyuyoung.kim kondapallykalyan mmaxfield pdr sabouhallawa schenney sergio simon.fraser thorton webkit-bug-importer wenson_hsieh zimmermann oldest_to_newest 1813846 0 443878 sabouhallawa 2021-11-10 17:02:32 -0800 Created attachment 443878 test case Open the attached test case. Result: WebKit crashes because of infinite recursion. This happens because of r285481. Before this change, we were creating the ImageBuffer of the referenced SVGElement for the FEImage through RenderSVGResourceFilter::postApplyResource(). Now we we create this ImageBuffer through RenderSVGResourceFilter::applyResource(). The difference is at the end of RenderSVGResourceFilter::applyResource() we add entry to m_rendererFilterDataMap m_rendererFilterDataMap.set(&renderer, WTFMove(filterData)); This will detect the cycle if we try to build the same filter while we are running RenderSVGResourceFilter::postApplyResource(). if (m_rendererFilterDataMap.contains(&renderer)) { FilterData* filterData = m_rendererFilterDataMap.get(&renderer); if (filterData->state == FilterData::PaintingSource || filterData->state == FilterData::Applying) filterData->state = FilterData::CycleDetected; return false; // Already built, or we're in a cycle, or we're marked for removal. Regardless, just do nothing more now. } But this will not help detect it before we add the entry to the m_rendererFilterDataMap. 1813847 1 sabouhallawa 2021-11-10 17:03:03 -0800 rdar://85264240 1813886 2 443895 sabouhallawa 2021-11-10 18:57:28 -0800 Created attachment 443895 Patch 1814658 3 ews-feeder 2021-11-12 15:47:26 -0800 Tools/Scripts/svn-apply failed to apply attachment 443895 to trunk. Please resolve the conflicts and upload a new patch. 1814710 4 444129 sabouhallawa 2021-11-12 17:41:52 -0800 Created attachment 444129 Patch 1814713 5 ews-feeder 2021-11-12 18:12:12 -0800 Committed r285769 (244213@main): <https://commits.webkit.org/244213@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 444129. 443878 2021-11-10 17:02:32 -0800 2021-11-10 17:02:32 -0800 test case feImage-cyclic-reference.svg image/svg+xml 362 sabouhallawa PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPgogICAgPGZpbHRlciBpZD0i ZmlsdGVyIj4KICAgICAgICA8ZmVJbWFnZSBocmVmPSIjcmVjdCIvPgogICAgPC9maWx0ZXI+CiAg ICA8cmVjdCB4PSIxMCIgeT0iMTAiIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWx0ZXI9InVy bCgjZmlsdGVyKSIvPgogICAgPHRleHQgeD0iMTAiIHk9IjEyMCI+VGhpcyB0ZXN0IHBhc3NlcyBp ZiBpdCBkb2VzIG5vdCBjcmFzaC48L3RleHQ+CiAgICA8c2NyaXB0PgogICAgICAgIGlmICh3aW5k b3cudGVzdFJ1bm5lcikKICAgICAgICAgICAgdGVzdFJ1bm5lci5kdW1wQXNUZXh0KHRydWUpOwog ICAgPC9zY3JpcHQ+Cjwvc3ZnPgo= 443895 2021-11-10 18:57:28 -0800 2021-11-12 15:47:29 -0800 Patch bug-232972-20211110185727.patch text/plain 7525 sabouhallawa U3VidmVyc2lvbiBSZXZpc2lvbjogMjg1NTk3CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggMWUwZWQ5NzRkYjE3OGVi 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