104859 2012-12-12 16:15:50 -0800 REGRESSION(r137524): Causes m_deletionHasBegun assertion failures in MutationObserver tests (Requested by aklein on #webkit). 2012-12-12 17:26:59 -0800 1 1 1 Unclassified WebKit New Bugs 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 59816 1 webkit.review.bot webkit.review.bot adamk esprehn rniwa oldest_to_newest 790027 0 webkit.review.bot 2012-12-12 16:15:50 -0800 http://trac.webkit.org/changeset/137524 broke the build: Causes m_deletionHasBegun assertion failures in MutationObserver tests (Requested by aklein on #webkit). This is an automatic bug report generated by the sheriff-bot. If this bug report was created because of a flaky test, please file a bug for the flaky test (if we don't already have one on file) and dup this bug against that bug so that we can track how often these flaky tests case pain. "Only you can prevent forest fires." -- Smokey the Bear 790030 1 179144 webkit.review.bot 2012-12-12 16:16:44 -0800 Created attachment 179144 ROLLOUT of r137524 Any committer can land this patch automatically by marking it commit-queue+. The commit-queue will build and test the patch before landing to ensure that the rollout will be successful. This process takes approximately 15 minutes. If you would like to land the rollout faster, you can use the following command: webkit-patch land-attachment ATTACHMENT_ID where ATTACHMENT_ID is the ID of this attachment. 790034 2 rniwa 2012-12-12 16:17:47 -0800 Please provide justifications and reasons for which this patch needs to reverted on publicly visible place. 790042 3 adamk 2012-12-12 16:24:14 -0800 Stack trace from fast/mutation/observe-attributes.html (11 other similar results in fast/mutation): crash log for DumpRenderTree (pid 26400): STDOUT: <empty> STDERR: ASSERTION FAILED: !m_deletionHasBegun STDERR: ../../third_party/WebKit/Source/WebCore/dom/Document.h(240) : void WebCore::Document::guardDeref() STDERR: 1 0x7fa2c173a888 STDERR: 2 0x7fa2c17d1d57 STDERR: 3 0x7fa2c170bf48 STDERR: 4 0x7fa2c1725570 STDERR: 5 0x7fa2c25c8f8f STDERR: 6 0x7fa2c25c8fda STDERR: 7 0x7fa2c173a90e STDERR: 8 0x7fa2c17257c2 STDERR: 9 0x7fa2c17da1b6 STDERR: 10 0x7fa2c10426a0 STDERR: 11 0x7fa2c28de7d6 STDERR: 12 0x7fa2c1f2bdcc STDERR: 13 0x7fa2c1f2bd94 STDERR: 14 0x7fa2c6da1b84 STDERR: 15 0x7fa2c6da0458 STDERR: 16 0x7fa2c6db1da1 STDERR: 17 0x7fa2c6db10b2 STDERR: 18 0x7fa2c6d20a66 STDERR: 19 0x7fa2c6eb22c9 STDERR: 20 0x7fa2c6f4974b STDERR: 21 0x7fa2c6f49f2e STDERR: 22 0x3d3f0a0654e STDERR: Received signal 11 STDERR: base::debug::StackTrace::StackTrace() [0x7fa2c5083dcc] STDERR: base::debug::(anonymous namespace)::StackDumpSignalHandler() [0x7fa2c5083acd] STDERR: <unknown> [0x7fa2bd8d54a0] STDERR: WebCore::Document::guardDeref() [0x7fa2c173a892] STDERR: WebCore::Node::~Node() [0x7fa2c17d1d57] STDERR: WebCore::ContainerNode::~ContainerNode() [0x7fa2c170bf48] STDERR: WebCore::Document::~Document() [0x7fa2c1725570] STDERR: WebCore::HTMLDocument::~HTMLDocument() [0x7fa2c25c8f8f] STDERR: WebCore::HTMLDocument::~HTMLDocument() [0x7fa2c25c8fda] STDERR: WebCore::Document::guardDeref() [0x7fa2c173a90e] STDERR: WebCore::Document::removedLastRef() [0x7fa2c17257c2] STDERR: WebCore::Node::removedLastRef() [0x7fa2c17da1b6] STDERR: WebCore::TreeShared<>::deref() [0x7fa2c10426a0] STDERR: WebCore::V8HTMLDocument::derefObject() [0x7fa2c28de7d6] STDERR: WebCore::WrapperTypeInfo::derefObject() [0x7fa2c1f2bdcc] STDERR: WebCore::DOMDataStore::weakCallback() [0x7fa2c1f2bd94] STDERR: v8::internal::GlobalHandles::Node::PostGarbageCollectionProcessing() [0x7fa2c6da1b84] STDERR: v8::internal::GlobalHandles::PostGarbageCollectionProcessing() [0x7fa2c6da0458] STDERR: v8::internal::Heap::PerformGarbageCollection() [0x7fa2c6db1da1] STDERR: v8::internal::Heap::CollectGarbage() [0x7fa2c6db10b2] STDERR: v8::internal::Heap::CollectGarbage() [0x7fa2c6d20a66] STDERR: v8::internal::JSReceiver::SetProperty() [0x7fa2c6eb22c9] STDERR: v8::internal::Runtime::SetObjectProperty() [0x7fa2c6f4974b] STDERR: v8::internal::Runtime_SetProperty() [0x7fa2c6f49f2e] STDERR: <unknown> [0x3d3f0a0654e] It seems that the Document is being deleted twice. 790051 4 179144 webkit.review.bot 2012-12-12 16:33:19 -0800 Comment on attachment 179144 ROLLOUT of r137524 Clearing flags on attachment: 179144 Committed r137535: <http://trac.webkit.org/changeset/137535> 790052 5 webkit.review.bot 2012-12-12 16:33:23 -0800 All reviewed patches have been landed. Closing bug. 790104 6 esprehn 2012-12-12 17:26:59 -0800 (In reply to comment #5) > All reviewed patches have been landed. Closing bug. This was my bad, inside ~Node we guardDeref() the document, and previously ~Document did m_document = 0 to prevent guard derefing itself. 179144 2012-12-12 16:16:44 -0800 2012-12-12 16:33:19 -0800 ROLLOUT of r137524 bug-104859-20121213002305.patch text/plain 19186 webkit.review.bot U3VidmVyc2lvbiBSZXZpc2lvbjogMTM3NTMyCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggOTNjMmE3OTVmZDUzZWVj OTc1OGMxMDMwMzgzMjE5ZTJiYzFmNmNiNS4uY2VjODQ3MWMxNTU0YzAzMDFmMDQ4Y2Q5NzVhNDIx MTQzZmRhOGUxMCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDYxIEBACisyMDEyLTEyLTEyICBTaGVy aWZmIEJvdCAgPHdlYmtpdC5yZXZpZXcuYm90QGdtYWlsLmNvbT4KKworICAgICAgICBVbnJldmll d2VkLCByb2xsaW5nIG91dCByMTM3NTI0LgorICAgICAgICBodHRwOi8vdHJhYy53ZWJraXQub3Jn L2NoYW5nZXNldC8xMzc1MjQKKyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19i dWcuY2dpP2lkPTEwNDg1OQorCisgICAgICAgIENhdXNlcyBtX2RlbGV0aW9uSGFzQmVndW4gYXNz 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