102891 2012-11-21 00:21:02 -0800 REGRESSION(r135212): Fix crash due to an infinite rect. 2012-11-21 14:25:44 -0800 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 102908 102313 1 dongseong.hwang dongseong.hwang noam tmpsantos webkit.review.bot zeno oldest_to_newest 772539 0 dongseong.hwang 2012-11-21 00:21:02 -0800 fast/multicol/span/positioned-child-not-removed-crash.html started to crash on EFL WK2 Bots both Debug and Release after this patch. Could this be related? crash log for WebProcess (pid <unknown>): STDOUT: <empty> STDERR: 1 0x7f6f139e3ab7 STDERR: 2 0x7f6f161484a0 STDERR: 3 0x7f6f12f3813b WebCore::TiledBackingStore::adjustForContentsRect(WebCore::IntRect&) const STDERR: 4 0x7f6f12f38459 WebCore::TiledBackingStore::computeCoverAndKeepRect(WebCore::IntRect const&, WebCore::IntRect&, WebCore::IntRect&) const STDERR: 5 0x7f6f12f37b30 WebCore::TiledBackingStore::createTiles() STDERR: 6 0x7f6f12f36ac0 WebCore::TiledBackingStore::coverWithTilesIfNeeded(WebCore::FloatPoint const&) STDERR: 7 0x7f6f12f3744c WebCore::TiledBackingStore::commitScaleChange() STDERR: 8 0x7f6f12f373e8 WebCore::TiledBackingStore::setContentsScale(float) STDERR: 9 0x7f6f16def1e1 WebCore::CoordinatedGraphicsLayer::createBackingStore() STDERR: 10 0x7f6f16def7de WebCore::CoordinatedGraphicsLayer::updateContentBuffers() STDERR: 11 0x7f6f16deed08 WebCore::CoordinatedGraphicsLayer::flushCompositingStateForThisLayerOnly() STDERR: 12 0x7f6f16dee42a WebCore::CoordinatedGraphicsLayer::flushCompositingState(WebCore::FloatRect const&) STDERR: 13 0x7f6f16dee46b WebCore::CoordinatedGraphicsLayer::flushCompositingState(WebCore::FloatRect const&) STDERR: 14 0x7f6f16dee46b WebCore::CoordinatedGraphicsLayer::flushCompositingState(WebCore::FloatRect const&) STDERR: 15 0x7f6f16dee46b WebCore::CoordinatedGraphicsLayer::flushCompositingState(WebCore::FloatRect const&) STDERR: 16 0x7f6f16dee46b WebCore::CoordinatedGraphicsLayer::flushCompositingState(WebCore::FloatRect const&) STDERR: 17 0x7f6f16dee46b WebCore::CoordinatedGraphicsLayer::flushCompositingState(WebCore::FloatRect const&) STDERR: 18 0x7f6f1311e9d8 WebCore::RenderLayerCompositor::flushPendingLayerChanges(bool) STDERR: 19 0x7f6f12e20719 WebCore::FrameView::flushCompositingStateForThisFrame(WebCore::Frame*) STDERR: 20 0x7f6f12e20a53 WebCore::FrameView::flushCompositingStateIncludingSubframes() STDERR: 21 0x7f6f16df5958 WebKit::LayerTreeCoordinator::flushPendingLayerChanges() STDERR: 22 0x7f6f16df5299 WebKit::LayerTreeCoordinator::forceRepaint() STDERR: 23 0x7f6f16db8a02 WebKit::DrawingAreaImpl::forceRepaint() STDERR: 24 0x7f6f16dd8743 WebKit::WebPage::forceRepaintWithoutCallback() STDERR: 25 0x7f6f16d3e483 WKBundlePageForceRepaint STDERR: 26 0x7f6ec1820d8f WTR::InjectedBundlePage::dump() STDERR: 27 0x7f6ec1825799 WTR::InjectedBundlePage::frameDidChangeLocation(OpaqueWKBundleFrame const*, bool) STDERR: 28 0x7f6ec1821295 WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundleFrame const*) STDERR: 29 0x7f6ec181f257 WTR::InjectedBundlePage::didFinishLoadForFrame(OpaqueWKBundlePage const*, OpaqueWKBundleFrame const*, void const**, void const*) STDERR: 30 0x7f6f16d34167 WebKit::InjectedBundlePageLoaderClient::didFinishLoadForFrame(WebKit::WebPage*, WebKit::WebFrame*, WTF::RefPtr<WebKit::APIObject>&) STDERR: 31 0x7f6f16d9ff54 WebKit::WebFrameLoaderClient::dispatchDidFinishLoad() STDERR: LEAK: 1 WebPage STDERR: LEAK: 1 WebFrame STDERR: LEAK: 18 RenderObject STDERR: LEAK: 1 BidiRun STDERR: LEAK: 1 Page STDERR: LEAK: 1 Frame STDERR: LEAK: 501 CachedResource STDERR: LEAK: 49 WebCoreNode 772557 1 175359 dongseong.hwang 2012-11-21 00:30:30 -0800 Created attachment 175359 Patch 772697 2 175359 dongseong.hwang 2012-11-21 02:39:27 -0800 Comment on attachment 175359 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=175359&action=review > Source/WebCore/platform/graphics/TiledBackingStore.cpp:367 > + ASSERT(!rect.width()); After taking time to think whether it is always true, I think adjustForContentsRect() does not avoid all possibilities physically. So I posted Bug 102908. After Bug 102908, the ASSERT is always true. 772705 3 175393 dongseong.hwang 2012-11-21 02:44:31 -0800 Created attachment 175393 Patch 772706 4 dongseong.hwang 2012-11-21 02:45:43 -0800 (In reply to comment #2) > (From update of attachment 175359 [details]) > View in context: https://bugs.webkit.org/attachment.cgi?id=175359&action=review > > > Source/WebCore/platform/graphics/TiledBackingStore.cpp:367 > > + ASSERT(!rect.width()); > > After taking time to think whether it is always true, I think adjustForContentsRect() does not avoid all possibilities physically. > > So I posted Bug 102908. > After Bug 102908, the ASSERT is always true. In the second patch, assertions in TiledBackingStore moved to Bug 102908. 772914 5 175393 noam 2012-11-21 06:54:52 -0800 Comment on attachment 175393 Patch Is this ok to commit, or do we need to wait for the other one 773276 6 dongseong.hwang 2012-11-21 14:13:13 -0800 (In reply to comment #5) > (From update of attachment 175393 [details]) > Is this ok to commit, or do we need to wait for the other one Actually, we can commit. This bug does not depend on Bug 102908 physically. 773292 7 175393 webkit.review.bot 2012-11-21 14:25:40 -0800 Comment on attachment 175393 Patch Clearing flags on attachment: 175393 Committed r135434: <http://trac.webkit.org/changeset/135434> 773293 8 webkit.review.bot 2012-11-21 14:25:44 -0800 All reviewed patches have been landed. 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