218754 2020-11-10 08:41:43 -0800 Crash when accessing OfflineAudioContext.length after failing to construct rendering AudioBuffer 2020-11-10 11:15:57 -0800 1 1 1 Unclassified WebKit Web Audio WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED https://bugs.webkit.org/show_bug.cgi?id=218603 InRadar P2 Normal --- 1 cdumez cdumez cdumez darin eric.carlson ews-watchlist ggaren glenn jer.noble mkwst philipj sam sergio webkit-bug-importer oldest_to_newest 1706086 0 cdumez 2020-11-10 08:41:43 -0800 Crash when accessing OfflineAudioContext.length after failing to construct rendering AudioBuffer: Exception Type: EXC_BAD_ACCESS (SIGSEGV) Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000024 Exception Note: EXC_CORPSE_NOTIFY Termination Signal: Segmentation fault: 11 Termination Reason: Namespace SIGNAL, Code 0xb Terminating Process: exc handler [16605] Thread 0 Crashed: 0 com.apple.WebCore 0x000000014aad3f84 WTF::Vector<WTF::RefPtr<JSC::GenericTypedArrayView<JSC::Float32Adaptor>, WTF::RawPtrTraits<JSC::GenericTypedArrayView<JSC::Float32Adaptor> >, WTF::DefaultRefDerefTraits<JSC::GenericTypedArrayView<JSC::Float32Adaptor> > >, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::end() const + 0 (Vector.h:733) [inlined] 1 com.apple.WebCore 0x000000014aad3f84 WebCore::AudioBuffer::hasDetachedChannelBuffer() const + 4 (AudioBuffer.cpp:250) 2 com.apple.WebCore 0x000000014ab18015 WebCore::AudioBuffer::length() const + 8 (AudioBuffer.h:57) [inlined] 3 com.apple.WebCore 0x000000014ab18015 WebCore::OfflineAudioContext::length() const + 21 (OfflineAudioContext.cpp:222) 4 com.apple.WebCore 0x000000014a4e7091 WebCore::jsOfflineAudioContext_lengthGetter(JSC::JSGlobalObject&, WebCore::JSOfflineAudioContext&) + 13 (JSOfflineAudioContext.cpp:260) [inlined] 5 com.apple.WebCore 0x000000014a4e7091 long long WebCore::IDLAttribute<WebCore::JSOfflineAudioContext>::get<&(WebCore::jsOfflineAudioContext_lengthGetter(JSC::JSGlobalObject&, WebCore::JSOfflineAudioContext&)), (WebCore::CastedThisErrorBehavior)3>(JSC::JSGlobalObject&, long long, char const*) + 13 (JSDOMAttribute.h:67) [inlined] 6 com.apple.WebCore 0x000000014a4e7091 WebCore::jsOfflineAudioContext_length(JSC::JSGlobalObject*, long long, JSC::PropertyName) + 17 (JSOfflineAudioContext.cpp:265) 1706087 1 cdumez 2020-11-10 08:41:58 -0800 <rdar://problem/71186978> 1706097 2 413704 cdumez 2020-11-10 09:03:56 -0800 Created attachment 413704 Patch 1706132 3 ews-feeder 2020-11-10 11:15:55 -0800 Committed r269632: <https://trac.webkit.org/changeset/269632> All reviewed patches have been landed. Closing bug and clearing flags on attachment 413704. 413704 2020-11-10 09:03:56 -0800 2020-11-10 11:15:56 -0800 Patch bug-218754-20201110090355.patch text/plain 9729 cdumez U3VidmVyc2lvbiBSZXZpc2lvbjogMjY5NjA1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggODA1N2IxODdmYmZmNDM4 OGMzMjc0YjgzMDJkYzA3MDQzZTU2OWNhNy4uYjJhMjg1MzBjZDIwZDhkMDk1MzRhNTU4YWUzNzA4 MTk2NmMzMmNiNSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDI1IEBACisyMDIwLTExLTEwICBDaHJp cyBEdW1leiAgPGNkdW1lekBhcHBsZS5jb20+CisKKyAgICAgICAgQ3Jhc2ggd2hlbiBhY2Nlc3Np bmcgT2ZmbGluZUF1ZGlvQ29udGV4dC5sZW5ndGggYWZ0ZXIgZmFpbGluZyB0byBjb25zdHJ1Y3Qg cmVuZGVyaW5nIEF1ZGlvQnVmZmVyCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3No b3dfYnVnLmNnaT9pZD0yMTg3NTQKKyAgICAgICAgPHJkYXI6Ly9wcm9ibGVtLzcxMTg2OTc4Pgor CisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIE9mZmxpbmVB 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