141328 2015-02-06 03:28:09 -0800 ASSERTION FAILED: resolvedInitialPosition <= resolvedFinalPosition in WebCore::GridSpan::GridSpan 2015-02-09 06:06:00 -0800 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 116980 1 rhodovan.u-szeged svillar commit-queue darin dino esprehn+autocc glenn jfernandez kling kondapallykalyan mark.lam oliver rego svillar oldest_to_newest 1067337 0 246157 rhodovan.u-szeged 2015-02-06 03:28:09 -0800 Created attachment 246157 Test case Load this with debug WK: <!DOCTYPE html> <input/><input/><input/> <style> * { display:-webkit-inline-grid; -webkit-grid-row: span 400000; } </style> Note: it's probably the same as crbug.com/422980. Backtrace: ASSERTION FAILED: resolvedInitialPosition <= resolvedFinalPosition ../../Source/WebCore/rendering/style/GridCoordinate.h(55) : WebCore::GridSpan::GridSpan(const WebCore::GridResolvedPosition&, const WebCore::GridResolvedPosition&) Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7fff8affd700 (LWP 17567)] 0x00007fffed72b70d in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321 321 *(int *)(uintptr_t)0xbbadbeef = 0; #0 0x00007fffed72b70d in WTFCrash () at ../../Source/WTF/wtf/Assertions.cpp:321 #1 0x00007ffff2d34e8d in WebCore::GridSpan::GridSpan (this=0x7fffffffbbd0, resolvedInitialPosition=..., resolvedFinalPosition=...) at ../../Source/WebCore/rendering/style/GridCoordinate.h:55 #2 0x00007ffff3a13afa in WebCore::GridResolvedPosition::resolveGridPositionsFromAutoPlacementPosition (gridContainerStyle=..., gridItem=..., direction=WebCore::ForRows, resolvedInitialPosition=...) at ../../Source/WebCore/rendering/style/GridResolvedPosition.cpp:85 #3 0x00007ffff3895279 in WebCore::RenderGrid::createEmptyGridAreaAtSpecifiedPositionsOutsideGrid (this=0x7ffff7f33240, gridItem=..., specifiedDirection=WebCore::ForColumns, specifiedPositions=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:814 #4 0x00007ffff3895b41 in WebCore::RenderGrid::placeAutoMajorAxisItemOnGrid (this=0x7ffff7f33240, gridItem=..., autoPlacementCursor=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:894 #5 0x00007ffff38955ce in WebCore::RenderGrid::placeAutoMajorAxisItemsOnGrid (this=0x7ffff7f33240, autoGridItems=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:838 #6 0x00007ffff3894d5a in WebCore::RenderGrid::placeItemsOnGrid (this=0x7ffff7f33240) at ../../Source/WebCore/rendering/RenderGrid.cpp:771 #7 0x00007ffff3891703 in WebCore::RenderGrid::computeIntrinsicLogicalWidths (this=0x7ffff7f33240, minLogicalWidth=..., maxLogicalWidth=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:248 #8 0x00007ffff389192e in WebCore::RenderGrid::computePreferredLogicalWidths (this=0x7ffff7f33240) at ../../Source/WebCore/rendering/RenderGrid.cpp:279 #9 0x00007ffff380be26 in WebCore::RenderBox::minPreferredLogicalWidth (this=0x7ffff7f33240) at ../../Source/WebCore/rendering/RenderBox.cpp:999 #10 0x00007ffff3893159 in WebCore::RenderGrid::minContentForChild (this=0x7ffff7e986c0, child=..., direction=WebCore::ForColumns, columnTracks=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:516 #11 0x00007ffff3893ed1 in WebCore::RenderGrid::resolveContentBasedTrackSizingFunctionsForItems (this=0x7ffff7e986c0, direction=WebCore::ForColumns, sizingData=..., gridItemWithSpan=..., filterFunction=(bool (WebCore::GridTrackSize::*)(const WebCore::GridTrackSize * const)) 0x7ffff38976d4 <WebCore::GridTrackSize::hasMinOrMaxContentMinTrackBreadth() const>, sizingFunction=(WebCore::LayoutUnit (WebCore::RenderGrid::*)(WebCore::RenderGrid * const, WebCore::RenderBox &, WebCore::GridTrackSizingDirection, WTF::Vector<WebCore::GridTrack, 0ul, WTF::CrashOnOverflow> &)) 0x7ffff38930ce <WebCore::RenderGrid::minContentForChild(WebCore::RenderBox&, WebCore::GridTrackSizingDirection, WTF::Vector<WebCore::GridTrack, 0ul, WTF::CrashOnOverflow>&)>, trackGetter=(WebCore::LayoutUnit (WebCore::GridTrack::*)(const WebCore::GridTrack * const)) 0x7ffff3897c3e <WebCore::GridTrack::usedBreadth() const>, trackGrowthFunction=(void (WebCore::GridTrack::*)(WebCore::GridTrack * const, WebCore::LayoutUnit)) 0x7ffff3897bde <WebCore::GridTrack::growUsedBreadth(WebCore::LayoutUnit)>, growAboveMaxBreadthFilterFunction=(bool (WebCore::GridTrackSize::*)(const WebCore::GridTrackSize * const)) 0x7ffff389785c <WebCore::GridTrackSize::hasMinContentMinTrackBreadthAndMinOrMaxContentMaxTrackBreadth() const>) at ../../Source/WebCore/rendering/RenderGrid.cpp:634 #12 0x00007ffff38937a1 in WebCore::RenderGrid::resolveContentBasedTrackSizingFunctions (this=0x7ffff7e986c0, direction=WebCore::ForColumns, sizingData=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:598 #13 0x00007ffff3891c9b in WebCore::RenderGrid::computeUsedBreadthOfGridTracks (this=0x7ffff7e986c0, direction=WebCore::ForColumns, sizingData=..., availableLogicalSpace=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:327 #14 0x00007ffff38919fd in WebCore::RenderGrid::computeUsedBreadthOfGridTracks (this=0x7ffff7e986c0, direction=WebCore::ForColumns, sizingData=...) at ../../Source/WebCore/rendering/RenderGrid.cpp:291 #15 0x00007ffff3895d4a in WebCore::RenderGrid::layoutGridItems (this=0x7ffff7e986c0) at ../../Source/WebCore/rendering/RenderGrid.cpp:923 #16 0x00007ffff3891556 in WebCore::RenderGrid::layoutBlock (this=0x7ffff7e986c0, relayoutChildren=false) at ../../Source/WebCore/rendering/RenderGrid.cpp:220 #17 0x00007ffff37ae24b in WebCore::RenderBlock::layout (this=0x7ffff7e986c0) at ../../Source/WebCore/rendering/RenderBlock.cpp:927 #18 0x00007ffff37d970c in WebCore::RenderBlockFlow::layoutBlockChild (this=0x7ffff7f18b40, child=..., marginInfo=..., previousFloatLogicalBottom=..., maxFloatLogicalBottom=...) at ../../Source/WebCore/rendering/RenderBlockFlow.cpp:703 #19 0x00007ffff37d9253 in WebCore::RenderBlockFlow::layoutBlockChildren (this=0x7ffff7f18b40, relayoutChildren=true, maxFloatLogicalBottom=...) at ../../Source/WebCore/rendering/RenderBlockFlow.cpp:626 #20 0x00007ffff37d8680 in WebCore::RenderBlockFlow::layoutBlock (this=0x7ffff7f18b40, relayoutChildren=true, pageLogicalHeight=...) at ../../Source/WebCore/rendering/RenderBlockFlow.cpp:479 #21 0x00007ffff37ae24b in WebCore::RenderBlock::layout (this=0x7ffff7f18b40) at ../../Source/WebCore/rendering/RenderBlock.cpp:927 #22 0x00007ffff39acb11 in WebCore::RenderView::layoutContent (this=0x7ffff7f18b40, state=...) at ../../Source/WebCore/rendering/RenderView.cpp:232 #23 0x00007ffff39ad1e1 in WebCore::RenderView::layout (this=0x7ffff7f18b40) at ../../Source/WebCore/rendering/RenderView.cpp:357 #24 0x00007ffff351306c in WebCore::FrameView::layout (this=0x7ffff7ec6b00, allowSubtree=true) at ../../Source/WebCore/page/FrameView.cpp:1317 #25 0x00007ffff2eb99ab in WebCore::Document::implicitClose (this=0x7fff5723a000) at ../../Source/WebCore/dom/Document.cpp:2497 #26 0x00007ffff33b7f4b in WebCore::FrameLoader::checkCallImplicitClose (this=0x7ffff7f39a98) at ../../Source/WebCore/loader/FrameLoader.cpp:901 #27 0x00007ffff33b7cb7 in WebCore::FrameLoader::checkCompleted (this=0x7ffff7f39a98) at ../../Source/WebCore/loader/FrameLoader.cpp:847 #28 0x00007ffff33b7a20 in WebCore::FrameLoader::finishedParsing (this=0x7ffff7f39a98) at ../../Source/WebCore/loader/FrameLoader.cpp:767 #29 0x00007ffff2ec28a0 in WebCore::Document::finishedParsing (this=0x7fff5723a000) at ../../Source/WebCore/dom/Document.cpp:4629 #30 0x00007ffff32302b7 in WebCore::HTMLConstructionSite::finishedParsing (this=0x7ffff7f33380) at ../../Source/WebCore/html/parser/HTMLConstructionSite.cpp:404 #31 0x00007ffff326cd3e in WebCore::HTMLTreeBuilder::finished (this=0x7ffff7f33360) at ../../Source/WebCore/html/parser/HTMLTreeBuilder.cpp:2941 #32 0x00007ffff3238c2e in WebCore::HTMLDocumentParser::end (this=0x7ffff7ece100) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:402 #33 0x00007ffff3238cfc in WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd (this=0x7ffff7ece100) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:411 #34 0x00007ffff32379ac in WebCore::HTMLDocumentParser::prepareToStopParsing (this=0x7ffff7ece100) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:132 #35 0x00007ffff3238d33 in WebCore::HTMLDocumentParser::attemptToEnd (this=0x7ffff7ece100) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:423 #36 0x00007ffff3238de1 in WebCore::HTMLDocumentParser::finish (this=0x7ffff7ece100) at ../../Source/WebCore/html/parser/HTMLDocumentParser.cpp:451 #37 0x00007ffff33a806f in WebCore::DocumentWriter::end (this=0x7ffff7eba4a0) at ../../Source/WebCore/loader/DocumentWriter.cpp:247 #38 0x00007ffff3393699 in WebCore::DocumentLoader::finishedLoading (this=0x7ffff7eba400, finishTime=0) at ../../Source/WebCore/loader/DocumentLoader.cpp:440 #39 0x00007ffff3393402 in WebCore::DocumentLoader::notifyFinished (this=0x7ffff7eba400, resource=0x7ffff7ec6200) at ../../Source/WebCore/loader/DocumentLoader.cpp:374 #40 0x00007ffff3447aa6 in WebCore::CachedResource::checkNotify (this=0x7ffff7ec6200) at ../../Source/WebCore/loader/cache/CachedResource.cpp:293 #41 0x00007ffff3447ba4 in WebCore::CachedResource::finishLoading (this=0x7ffff7ec6200) at ../../Source/WebCore/loader/cache/CachedResource.cpp:309 #42 0x00007ffff3444201 in WebCore::CachedRawResource::finishLoading (this=0x7ffff7ec6200, data=0x7ffff7eb8750) at ../../Source/WebCore/loader/cache/CachedRawResource.cpp:104 #43 0x00007ffff33f686f in WebCore::SubresourceLoader::didFinishLoading (this=0x7fff41049b00, finishTime=0) at ../../Source/WebCore/loader/SubresourceLoader.cpp:364 #44 0x00007ffff33f21a9 in WebCore::ResourceLoader::didFinishLoading (this=0x7fff41049b00, finishTime=0) at ../../Source/WebCore/loader/ResourceLoader.cpp:542 #45 0x00007ffff3da6401 in WebCore::readCallback (asyncResult=0x6e4460, data=0x7ffff7e7bb20) at ../../Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp:1295 #46 0x00007fffeb2707e6 in async_ready_callback_wrapper (source_object=0x7c7270, res=0x6e4460, user_data=user_data@entry=0x7ffff7e7bb20) at ginputstream.c:523 #47 0x00007fffeb2960e5 in g_task_return_now (task=0x6e4460) at gtask.c:1077 #48 0x00007fffeb296109 in complete_in_idle_cb (task=0x6e4460) at gtask.c:1086 #49 0x00007fffea54ea1d in g_main_dispatch (context=0x478b00) at gmain.c:3064 #50 g_main_context_dispatch (context=context@entry=0x478b00) at gmain.c:3663 #51 0x00007fffea54ed88 in g_main_context_iterate (context=0x478b00, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3734 #52 0x00007fffea54f04a in g_main_loop_run (loop=0x901bd0) at gmain.c:3928 #53 0x00007ffff44a7fb0 in WTF::RunLoop::run () at ../../Source/WTF/wtf/gtk/RunLoopGtk.cpp:59 #54 0x00007ffff29946cc in WebKit::ChildProcessMain<WebKit::WebProcess, WebKit::WebProcessMain> (argc=2, argv=0x7fffffffd988) at ../../Source/WebKit2/Shared/unix/ChildProcessMain.h:61 #55 0x00007ffff2994531 in WebKit::WebProcessMainUnix (argc=2, argv=0x7fffffffd988) at ../../Source/WebKit2/WebProcess/gtk/WebProcessMainGtk.cpp:77 #56 0x00000000004008d1 in main (argc=2, argv=0x7fffffffd988) at ../../Source/WebKit2/WebProcess/EntryPoint/unix/WebProcessMain.cpp:44 1067348 1 svillar 2015-02-06 06:12:23 -0800 Yeah it requires the same fix. 1067775 2 246260 svillar 2015-02-09 02:08:23 -0800 Created attachment 246260 Patch 1067779 3 246260 darin 2015-02-09 02:29:17 -0800 Comment on attachment 246260 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=246260&action=review > Source/WebCore/ChangeLog:9 > + was trying to place an item with span, it was completelly ignoring the completely > Source/WebCore/ChangeLog:12 > + using the finalResolvedPosition. This works with an unlimitted grid which can unlimited > Source/WebCore/ChangeLog:13 > + indefinitelly grow. But if the item spans over the grid track limits, then it indefinitely > Source/WebCore/ChangeLog:24 > + No new test provided as the test case would involve a huge grid > + allocation that performs very slow on Debug bots. There is no really no practical way to test this? We have to find some way to test the limits. 1067788 4 svillar 2015-02-09 03:24:37 -0800 (In reply to comment #3) > Comment on attachment 246260 [details] > > Source/WebCore/ChangeLog:24 > > + No new test provided as the test case would involve a huge grid > > + allocation that performs very slow on Debug bots. > > There is no really no practical way to test this? We have to find some way > to test the limits. I thought about creating an unit test but we lack a lot of stuff to create one the renderers, the styles, the named grid lines, etc... What I'm going to do is to add the test case to ManualTests. 1067810 5 svillar 2015-02-09 06:06:00 -0800 Committed r179826: <http://trac.webkit.org/changeset/179826> 246157 2015-02-06 03:28:09 -0800 2015-02-06 03:28:09 -0800 Test case crash.html text/html 131 rhodovan.u-szeged PCFET0NUWVBFIGh0bWw+CjxpbnB1dC8+PGlucHV0Lz48aW5wdXQvPgo8c3R5bGU+CiogewogICAg ZGlzcGxheTotd2Via2l0LWlubGluZS1ncmlkOwogICAgLXdlYmtpdC1ncmlkLXJvdzogc3BhbiA0 MDAwMDA7Cn0KPC9zdHlsZT4= 246260 2015-02-09 02:08:23 -0800 2015-02-09 02:29:17 -0800 Patch bug-141328-20150209110823.patch text/plain 3196 svillar U3VidmVyc2lvbiBSZXZpc2lvbjogMTc5MTEwCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggN2MzMjQwMGU0NGQyZDQy NWJmZDQxZWZjMTdlZTI5ZTExMThlYzY1MS4uN2ZkOGUzNjg5MTVlOWMyZmRjZGNiNDcyZTdlMjNm OTQyMjRhM2ZiMiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDMxIEBACisyMDE1LTAyLTA2ICBTZXJn aW8gVmlsbGFyIFNlbmluICA8c3ZpbGxhckBpZ2FsaWEuY29tPgorCisgICAgICAgIEFTU0VSVElP TiBGQUlMRUQ6IHJlc29sdmVkSW5pdGlhbFBvc2l0aW9uIDw9IHJlc29sdmVkRmluYWxQb3NpdGlv biBpbiBXZWJDb3JlOjpHcmlkU3Bhbjo6R3JpZFNwYW4KKyAgICAgICAgaHR0cHM6Ly9idWdzLndl YmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE0MTMyOAorCisgICAgICAgIFJldmlld2VkIGJ5IE5P Qk9EWSAoT09QUyEpLgorCisgICAgICAgIFdoZW5ldmVyIEdyaWRSZXNvbHZlZFBvc2l0aW9uOjpy ZXNvbHZlR3JpZFBvc2l0aW9uc0Zyb21BdXRvUGxhY2VtZW50UG9zaXRpb24oKQorICAgICAgICB3 YXMgdHJ5aW5nIHRvIHBsYWNlIGFuIGl0ZW0gd2l0aCBzcGFuLCBpdCB3YXMgY29tcGxldGVsbHkg aWdub3JpbmcgdGhlCisgICAgICAgIHJlc29sdmVkSW5pdGlhbFBvc2l0aW9uIHJldHVybmVkIGJ5 CisgICAgICAgIEdyaWRSZXNvbHZlZFBvc2l0aW9uOjpyZXNvbHZlR3JpZFBvc2l0aW9uQWdhaW5z dE9wcG9zaXRlUG9zaXRpb24oKSBhbmQgb25seQorICAgICAgICB1c2luZyB0aGUgZmluYWxSZXNv bHZlZFBvc2l0aW9uLiBUaGlzIHdvcmtzIHdpdGggYW4gdW5saW1pdHRlZCBncmlkIHdoaWNoIGNh bgorICAgICAgICBpbmRlZmluaXRlbGx5IGdyb3cuIEJ1dCBpZiB0aGUgaXRlbSBzcGFucyBvdmVy IHRoZSBncmlkIHRyYWNrIGxpbWl0cywgdGhlbiBpdAorICAgICAgICBtaWdodCBoYXBwZW4gdGhh dCB0aGUgZmluYWwgcmVzb2x2ZWQgcG9zaXRpb24gaXMgcGxhY2VkIGJlZm9yZSB0aGUgaW5pdGlh bAorICAgICAgICByZXNvbHZlZCBwb3NpdGlvbiwgc29tZXRoaW5nIHRoYXQgaXMgZm9yYmlkZGVu LgorCisgICAgICAgIFRoZSBzb2x1dGlvbiBpcyB0byBkaXJlY3RseSB1c2UgdGhlIEdyaWRTcGFu IHJldHVybmVkIGJ5CisgICAgICAgIEdyaWRSZXNvbHZlZFBvc2l0aW9uOjpyZXNvbHZlR3JpZFBv c2l0aW9uQWdhaW5zdE9wcG9zaXRlUG9zaXRpb24oKSwgaWYgdGhlIGl0ZW0KKyAgICAgICAgZG9l cyBub3Qgc3VycGFzcyB0aGUgdHJhY2sgbGltaXRzIHRoZW4gdGhlIHJldHVybmVkIGluaXRpYWxS ZXNvbHZlZFBvc2l0aW9uCisgICAgICAgIGlzIGlkZW50aWNhbCB0byB0aGUgcHJvdmlkZWQgb25l LCBvdGhlcndpc2UgaXQncyBwcm9wZXJseSBjb3JyZWN0ZWQgdG8gcmVzcGVjdAorICAgICAgICB0 cmFjayBib3VuZGFyaWVzLgorCisgICAgICAgIE5vIG5ldyB0ZXN0IHByb3ZpZGVkIGFzIHRoZSB0 ZXN0IGNhc2Ugd291bGQgaW52b2x2ZSBhIGh1Z2UgZ3JpZAorICAgICAgICBhbGxvY2F0aW9uIHRo YXQgcGVyZm9ybXMgdmVyeSBzbG93IG9uIERlYnVnIGJvdHMuCisKKyAgICAgICAgKiByZW5kZXJp bmcvc3R5bGUvR3JpZFJlc29sdmVkUG9zaXRpb24uY3BwOgorICAgICAgICAoV2ViQ29yZTo6R3Jp ZFJlc29sdmVkUG9zaXRpb246OnJlc29sdmVHcmlkUG9zaXRpb25zRnJvbUF1dG9QbGFjZW1lbnRQ b3NpdGlvbik6CisKIDIwMTUtMDEtMjUgIENocmlzIER1bWV6ICA8Y2R1bWV6QGFwcGxlLmNvbT4K IAogICAgICAgICBSZW1vdmUgJ2ZvbnQnIHNob3J0aGFuZCBwcm9wZXJ0eSBzcGVjaWFsIGNhc2lu ZwpkaWZmIC0tZ2l0IGEvU291cmNlL1dlYkNvcmUvcmVuZGVyaW5nL3N0eWxlL0dyaWRSZXNvbHZl ZFBvc2l0aW9uLmNwcCBiL1NvdXJjZS9XZWJDb3JlL3JlbmRlcmluZy9zdHlsZS9HcmlkUmVzb2x2 ZWRQb3NpdGlvbi5jcHAKaW5kZXggYWY1MzVlMDBmNGMxYTZkMDIxODAxYWU5NTE4NzcyYmQxMDk0 MTMyMS4uMzVmOWJmZTZhOTQzYzFkZDhlNjI2NWE2Zjc0MGE5NmIzMjNkODUzZCAxMDA2NDQKLS0t IGEvU291cmNlL1dlYkNvcmUvcmVuZGVyaW5nL3N0eWxlL0dyaWRSZXNvbHZlZFBvc2l0aW9uLmNw cAorKysgYi9Tb3VyY2UvV2ViQ29yZS9yZW5kZXJpbmcvc3R5bGUvR3JpZFJlc29sdmVkUG9zaXRp b24uY3BwCkBAIC03OCw5ICs3OCw5IEBAIEdyaWRTcGFuIEdyaWRSZXNvbHZlZFBvc2l0aW9uOjpy ZXNvbHZlR3JpZFBvc2l0aW9uc0Zyb21BdXRvUGxhY2VtZW50UG9zaXRpb24oY29uCiAgICAgR3Jp ZFJlc29sdmVkUG9zaXRpb24gcmVzb2x2ZWRGaW5hbFBvc2l0aW9uID0gcmVzb2x2ZWRJbml0aWFs UG9zaXRpb247CiAKICAgICBpZiAoaW5pdGlhbFBvc2l0aW9uLmlzU3BhbigpKQotICAgICAgICBy ZXNvbHZlZEZpbmFsUG9zaXRpb24gPSByZXNvbHZlR3JpZFBvc2l0aW9uQWdhaW5zdE9wcG9zaXRl UG9zaXRpb24oZ3JpZENvbnRhaW5lclN0eWxlLCByZXNvbHZlZEluaXRpYWxQb3NpdGlvbiwgaW5p dGlhbFBvc2l0aW9uLCBmaW5hbFBvc2l0aW9uU2lkZSktPnJlc29sdmVkRmluYWxQb3NpdGlvbjsK KyAgICAgICAgcmV0dXJuICpyZXNvbHZlR3JpZFBvc2l0aW9uQWdhaW5zdE9wcG9zaXRlUG9zaXRp b24oZ3JpZENvbnRhaW5lclN0eWxlLCByZXNvbHZlZEluaXRpYWxQb3NpdGlvbiwgaW5pdGlhbFBv c2l0aW9uLCBmaW5hbFBvc2l0aW9uU2lkZSk7CiAgICAgZWxzZSBpZiAoZmluYWxQb3NpdGlvbi5p c1NwYW4oKSkKLSAgICAgICAgcmVzb2x2ZWRGaW5hbFBvc2l0aW9uID0gcmVzb2x2ZUdyaWRQb3Np dGlvbkFnYWluc3RPcHBvc2l0ZVBvc2l0aW9uKGdyaWRDb250YWluZXJTdHlsZSwgcmVzb2x2ZWRJ bml0aWFsUG9zaXRpb24sIGZpbmFsUG9zaXRpb24sIGZpbmFsUG9zaXRpb25TaWRlKS0+cmVzb2x2 ZWRGaW5hbFBvc2l0aW9uOworICAgICAgICByZXR1cm4gKnJlc29sdmVHcmlkUG9zaXRpb25BZ2Fp bnN0T3Bwb3NpdGVQb3NpdGlvbihncmlkQ29udGFpbmVyU3R5bGUsIHJlc29sdmVkSW5pdGlhbFBv c2l0aW9uLCBmaW5hbFBvc2l0aW9uLCBmaW5hbFBvc2l0aW9uU2lkZSk7CiAKICAgICByZXR1cm4g R3JpZFNwYW4ocmVzb2x2ZWRJbml0aWFsUG9zaXRpb24sIHJlc29sdmVkRmluYWxQb3NpdGlvbik7 CiB9Cg==