219496 2020-12-03 09:56:26 -0800 Crash when trying to suspend an OfflineAudioContext with a bad buffer 2020-12-03 14:24:44 -0800 1 1 1 Unclassified WebKit Web Audio WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 cdumez cdumez cdumez darin eric.carlson ews-watchlist ggaren glenn jer.noble philipj sergio webkit-bug-importer oldest_to_newest 1711706 0 cdumez 2020-12-03 09:56:26 -0800 Crash when trying to suspend an OfflineAudioContext with a bad buffer: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread 0 com.apple.WebCore 0x00000006d22b5c8c WTF::VectorBufferBase<WTF::RefPtr<JSC::GenericTypedArrayView<JSC::Float32Adaptor>, WTF::RawPtrTraits<JSC::GenericTypedArrayView<JSC::Float32Adaptor> >, WTF::DefaultRefDerefTraits<JSC::GenericTypedArrayView<JSC::Float32Adaptor> > >, WTF::FastMalloc>::buffer() const + 12 (Vector.h:344) 1 com.apple.WebCore 0x00000006d22b5c78 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>::data() const + 24 (Vector.h:727) 2 com.apple.WebCore 0x00000006d229ed55 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>::begin() const + 21 (Vector.h:732) 3 com.apple.WebCore 0x00000006d229e2e3 WebCore::AudioBuffer::hasDetachedChannelBuffer() const + 35 (AudioBuffer.cpp:250) 4 com.apple.WebCore 0x00000006d22a10cc WebCore::AudioBuffer::length() const + 28 (AudioBuffer.h:57) 5 com.apple.WebCore 0x00000006d235abd7 WebCore::OfflineAudioContext::suspendOfflineRendering(double, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&) + 311 (OfflineAudioContext.cpp:137) 6 com.apple.WebCore 0x00000006d10e4728 WebCore::jsOfflineAudioContextPrototypeFunction_suspendBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSOfflineAudioContext*, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&) + 536 (JSOfflineAudioContext.cpp:341) 7 com.apple.WebCore 0x00000006d10e4c4e long long WebCore::IDLOperationReturningPromise<WebCore::JSOfflineAudioContext>::call<&(WebCore::jsOfflineAudioContextPrototypeFunction_suspendBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSOfflineAudioContext*, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&)), (WebCore::CastedThisErrorBehavior)2>(JSC::JSGlobalObject&, JSC::CallFrame&, char const*)::'lambda'(JSC::JSGlobalObject&, JSC::CallFrame&, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&)::operator()(JSC::JSGlobalObject&, JSC::CallFrame&, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&) const + 670 (JSDOMOperationReturningPromise.h:50) 8 com.apple.WebCore 0x00000006d10e48ff JSC::JSValue WebCore::callPromiseFunction<long long WebCore::IDLOperationReturningPromise<WebCore::JSOfflineAudioContext>::call<&(WebCore::jsOfflineAudioContextPrototypeFunction_suspendBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSOfflineAudioContext*, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&)), (WebCore::CastedThisErrorBehavior)2>(JSC::JSGlobalObject&, JSC::CallFrame&, char const*)::'lambda'(JSC::JSGlobalObject&, JSC::CallFrame&, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&)>(JSC::JSGlobalObject&, JSC::CallFrame&, &(WebCore::jsOfflineAudioContextPrototypeFunction_suspendBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSOfflineAudioContext*, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&))) + 399 (JSDOMPromiseDeferred.h:340) 9 com.apple.WebCore 0x00000006d10e44fd long long WebCore::IDLOperationReturningPromise<WebCore::JSOfflineAudioContext>::call<&(WebCore::jsOfflineAudioContextPrototypeFunction_suspendBody(JSC::JSGlobalObject*, JSC::CallFrame*, WebCore::JSOfflineAudioContext*, WTF::Ref<WebCore::DeferredPromise, WTF::RawPtrTraits<WebCore::DeferredPromise> >&&)), (WebCore::CastedThisErrorBehavior)2>(JSC::JSGlobalObject&, JSC::CallFrame&, char const*) + 45 (JSDOMOperationReturningPromise.h:41) 10 com.apple.WebCore 0x00000006d1093ea4 WebCore::jsOfflineAudioContextPrototypeFunction_suspend(JSC::JSGlobalObject*, JSC::CallFrame*) + 36 (JSOfflineAudioContext.cpp:347) 1711707 1 cdumez 2020-12-03 09:57:12 -0800 <rdar://71627586> 1711708 2 415307 cdumez 2020-12-03 09:58:53 -0800 Created attachment 415307 Patch 1711709 3 415307 ggaren 2020-12-03 10:01:55 -0800 Comment on attachment 415307 Patch r=me 1711781 4 415333 cdumez 2020-12-03 13:05:49 -0800 Created attachment 415333 Patch 1711820 5 ews-feeder 2020-12-03 14:24:42 -0800 Committed r270408: <https://trac.webkit.org/changeset/270408> All reviewed patches have been landed. Closing bug and clearing flags on attachment 415333. 415307 2020-12-03 09:58:53 -0800 2020-12-03 13:05:47 -0800 Patch bug-219496-20201203095852.patch text/plain 5225 cdumez U3VidmVyc2lvbiBSZXZpc2lvbjogMjcwMzk1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggODViMzczMjUwMzMxMDcy YzJhNjU0OGEwOTM2ZGM2N2Q3ZjIzMDhlZS4uZWQ0YjI2ZDZiZmU3ZjFhZDA5ZDQxNjExMTU1MzVm YWFmYzRlYmI0YiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIwIEBACisyMDIwLTEyLTAzICBDaHJp cyBEdW1leiAgPGNkdW1lekBhcHBsZS5jb20+CisKKyAgICAgICAgQ3Jhc2ggd2hlbiB0cnlpbmcg dG8gc3VzcGVuZCBhbiBPZmZsaW5lQXVkaW9Db250ZXh0IHdpdGggYSBiYWQgYnVmZmVyCisgICAg ICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0yMTk0OTYKKworICAg ICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBUZXN0OiB3ZWJhdWRp by9PZmZsaW5lQXVkaW9Db250ZXh0LWJhZC1idWZmZXItc3VzcGVuZC1jcmFzaC5odG1sCisKKyAg 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