[Webkit-unassigned] [Bug 193769] Jumps to the top of the page when interacting with anything.

Thu Jan 24 14:33:41 PST 2019

https://bugs.webkit.org/show_bug.cgi?id=193769

Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |DUPLICATE

--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
The scroll to 0,0 comes from:

  * frame #0: 0x000000028352c187 WebCore`WebCore::RenderLayer::scrollTo(this=0x00000002ba780000, position={ x = 0, y = 0 }) at RenderLayer.cpp:2352:34
    frame #1: 0x000000028352f813 WebCore`WebCore::RenderLayer::setScrollOffset(this=0x00000002ba780000, offset={ x = 0, y = 0 }) at RenderLayer.cpp:2783:5
    frame #2: 0x0000000282f5eade WebCore`WebCore::ScrollableArea::scrollPositionChanged(this=0x00000002ba780000, position={ x = 0, y = 0 }) at ScrollableArea.cpp:166:5
    frame #3: 0x0000000282f551f8 WebCore`WebCore::ScrollableArea::setScrollOffsetFromAnimation(this=0x00000002ba780000, offset={ x = 0, y = 0 }) at ScrollableArea.cpp:229:5
    frame #4: 0x0000000282f55176 WebCore`WebCore::ScrollAnimator::notifyPositionChanged(this=0x00000002ba4a58e8, delta={ width = 0.0, height = -747.0 }) at ScrollAnimator.cpp:193:22
    frame #5: 0x000000028033a3f3 WebCore`WebCore::ScrollAnimatorMac::notifyPositionChanged(this=0x00000002ba4a58e8, delta={ width = 0.0, height = -747.0 }) at ScrollAnimatorMac.mm:855:21
    frame #6: 0x0000000280339eda WebCore`WebCore::ScrollAnimatorMac::immediateScrollToPosition(this=0x00000002ba4a58e8, newPosition={ x = 0.0, y = 0.0 }, clamping=Clamped) at ScrollAnimatorMac.mm:824:5
    frame #7: 0x0000000280339e00 WebCore`WebCore::ScrollAnimatorMac::scrollToOffsetWithoutAnimation(this=0x00000002ba4a58e8, offset={ x = 0.0, y = 0.0 }, clamping=Clamped) at ScrollAnimatorMac.mm:790:5
    frame #8: 0x0000000282f5a152 WebCore`WebCore::ScrollableArea::scrollToOffsetWithoutAnimation(this=0x00000002ba780000, offset={ x = 0.0, y = 0.0 }, clamping=Clamped) at ScrollableArea.cpp:144:22
    frame #9: 0x000000028352be12 WebCore`WebCore::RenderLayer::scrollToOffset(this=0x00000002ba780000, scrollOffset={ x = 0, y = 0 }, clamping=Clamped) at RenderLayer.cpp:2341:9
    frame #10: 0x00000002835336cd WebCore`WebCore::RenderLayer::updateScrollInfoAfterLayout(this=0x00000002ba780000) at RenderLayer.cpp:3553:13
    frame #11: 0x00000002833bf2de WebCore`WebCore::RenderBlock::updateScrollInfoAfterLayout(this=0x00000002b0501e60) at RenderBlock.cpp:591:18
    frame #12: 0x00000002833d7935 WebCore`WebCore::RenderBlockFlow::layoutBlock(this=0x00000002b0501e60, relayoutChildren=true, pageLogicalHeight={ 0px (0) }) at RenderBlockFlow.cpp:563:5
    frame #13: 0x00000002833bf3ac WebCore`WebCore::RenderBlock::layout(this=0x00000002b0501e60) at RenderBlock.cpp:601:5
    frame #14: 0x000000028335f28c WebCore`WebCore::RenderElement::layoutIfNeeded(this=0x00000002b0501e60) at RenderElement.h:121:48
    frame #15: 0x000000028336117b WebCore`WebCore::DefiniteSizeStrategy::layoutGridItemForMinSizeComputation(this=0x00006000004917e0, child=0x00000002b0501e60, overrideSizeHasChanged=false) const at GridTrackSizingAlgorithm.cpp:1070:11
    frame #16: 0x000000028335d1eb WebCore`WebCore::GridTrackSizingAlgorithmStrategy::minSizeForChild(this=0x00006000004917e0, child=0x00000002b0501e60) const at GridTrackSizingAlgorithm.cpp:832:5
    frame #17: 0x000000028335c408 WebCore`WebCore::GridTrackSizingAlgorithm::sizeTrackToFitNonSpanningItem(this=0x00000002b4c008c0, span=0x00007ffee4d396b8, gridItem=0x00000002b0501e60, track=0x00000002ba77c1dc) at GridTrackSizingAlgorithm.cpp:249:66
    frame #18: 0x0000000283361add WebCore`WebCore::GridTrackSizingAlgorithm::resolveIntrinsicTrackSizes(this=0x00000002b4c008c0) at GridTrackSizingAlgorithm.cpp:1148:25
    frame #19: 0x00000002833652ea WebCore`WebCore::GridTrackSizingAlgorithm::run(this=0x00000002b4c008c0) at GridTrackSizingAlgorithm.cpp:1317:9
    frame #20: 0x00000002834ead4e WebCore`WebCore::RenderGrid::computeTrackSizesForDefiniteSize(this=0x00000002b4c00710, direction=ForRows, availableSpace={ 565px (36160) }) at RenderGrid.cpp:146:28
    frame #21: 0x00000002834ebf23 WebCore`WebCore::RenderGrid::layoutBlock(this=0x00000002b4c00710, relayoutChildren=false, (null)={ 0px (0) }) at RenderGrid.cpp:251:13
    frame #22: 0x00000002833bf3ac WebCore`WebCore::RenderBlock::layout(this=0x00000002b4c00710) at RenderBlock.cpp:601:5
    frame #23: 0x00000002833d9ac2 WebCore`WebCore::RenderBlockFlow::layoutBlockChild(this=0x00000002b05020a0, child=0x00000002b4c00710, marginInfo=0x00007ffee4d39d58, previousFloatLogicalBottom={ 0px (0) }, maxFloatLogicalBottom={ 0px (0) }) at RenderBlockFlow.cpp:730:15
    frame #24: 0x00000002833d83c4 WebCore`WebCore::RenderBlockFlow::layoutBlockChildren(this=0x00000002b05020a0, relayoutChildren=false, maxFloatLogicalBottom={ 0px (0) }) at RenderBlockFlow.cpp:653:9
    frame #25: 0x00000002833d7272 WebCore`WebCore::RenderBlockFlow::layoutBlock(this=0x00000002b05020a0, relayoutChildren=false, pageLogicalHeight={ 0px (0) }) at RenderBlockFlow.cpp:505:13
    frame #26: 0x00000002833bf3ac WebCore`WebCore::RenderBlock::layout(this=0x00000002b05020a0) at RenderBlock.cpp:601:5
    frame #27: 0x00000002833d9ac2 WebCore`WebCore::RenderBlockFlow::layoutBlockChild(this=0x00000002b05021c0, child=0x00000002b05020a0, marginInfo=0x00007ffee4d3a388, previousFloatLogicalBottom={ 0px (0) }, maxFloatLogicalBottom={ 0px (0) }) at RenderBlockFlow.cpp:730:15
    frame #28: 0x00000002833d83c4 WebCore`WebCore::RenderBlockFlow::layoutBlockChildren(this=0x00000002b05021c0, relayoutChildren=false, maxFloatLogicalBottom={ 0px (0) }) at RenderBlockFlow.cpp:653:9
    frame #29: 0x00000002833d7272 WebCore`WebCore::RenderBlockFlow::layoutBlock(this=0x00000002b05021c0, relayoutChildren=false, pageLogicalHeight={ 0px (0) }) at RenderBlockFlow.cpp:505:13
    frame #30: 0x00000002833bf3ac WebCore`WebCore::RenderBlock::layout(this=0x00000002b05021c0) at RenderBlock.cpp:601:5
    frame #31: 0x00000002833d9ac2 WebCore`WebCore::RenderBlockFlow::layoutBlockChild(this=0x00000002a0402a30, child=0x00000002b05021c0, marginInfo=0x00007ffee4d3a9b8, previousFloatLogicalBottom={ 0px (0) }, maxFloatLogicalBottom={ 0px (0) }) at RenderBlockFlow.cpp:730:15
    frame #32: 0x00000002833d83c4 WebCore`WebCore::RenderBlockFlow::layoutBlockChildren(this=0x00000002a0402a30, relayoutChildren=false, maxFloatLogicalBottom={ 0px (0) }) at RenderBlockFlow.cpp:653:9
    frame #33: 0x00000002833d7272 WebCore`WebCore::RenderBlockFlow::layoutBlock(this=0x00000002a0402a30, relayoutChildren=false, pageLogicalHeight={ 0px (0) }) at RenderBlockFlow.cpp:505:13
    frame #34: 0x00000002833bf3ac WebCore`WebCore::RenderBlock::layout(this=0x00000002a0402a30) at RenderBlock.cpp:601:5
    frame #35: 0x0000000283662508 WebCore`WebCore::RenderView::layout(this=0x00000002a0402a30) at RenderView.cpp:241:22
    frame #36: 0x0000000282db2373 WebCore`WebCore::FrameViewLayoutContext::layout(this=0x00000002ba500d70) at FrameViewLayoutContext.cpp:212:21
    frame #37: 0x0000000282db191c WebCore`WebCore::FrameViewLayoutContext::layoutTimerFired(this=0x00000002ba500d70) at FrameViewLayoutContext.cpp:457:5
    frame #38: 0x0000000282dc2081 WebCore`decltype(__f=0x00000002ab971c28, __a0=0x00000002ab971c38)).*fp()) std::__1::__invoke<void (WebCore::FrameViewLayoutContext::*&)(), WebCore::FrameViewLayoutContext*&, void>(void (WebCore::FrameViewLayoutContext::*&)(), WebCore::FrameViewLayoutContext*&) at type_traits:4286:1
    frame #39: 0x0000000282dc2000 WebCore`std::__1::__bind_return<void (WebCore::FrameViewLayoutContext::*)(), std::__1::tuple<WebCore::FrameViewLayoutContext*>, std::__1::tuple<>, __is_valid_bind_return<void (WebCore::FrameViewLayoutContext::*)(), std::__1::tuple<WebCore::FrameViewLayoutContext*>, std::__1::tuple<> >::value>::type std::__1::__apply_functor<void (__f=0x00000002ab971c28, __bound_args=size=1, (null)=__tuple_indices<0> @ 0x00007ffee4d3b158, __args=size=0)(), std::__1::tuple<WebCore::FrameViewLayoutContext*>, 0ul, std::__1::tuple<> >(void (WebCore::FrameViewLayoutContext::*&)(), std::__1::tuple<WebCore::FrameViewLayoutContext*>&, std::__1::__tuple_indices<0ul>, std::__1::tuple<>&&) at functional:2216:12
    frame #40: 0x0000000282dc1fac WebCore`std::__1::__bind_return<void (WebCore::FrameViewLayoutContext::*)(), std::__1::tuple<WebCore::FrameViewLayoutContext*>, std::__1::tuple<>, __is_valid_bind_return<void (WebCore::FrameViewLayoutContext::*)(), std::__1::tuple<WebCore::FrameViewLayoutContext*>, std::__1::tuple<> >::value>::type std::__1::__bind<void (this=0x00000002ab971c28)(), WebCore::FrameViewLayoutContext*>::operator()<>() at functional:2249:20
    frame #41: 0x0000000282dc1f49 WebCore`WTF::Function<void ()>::CallableWrapper<std::__1::__bind<void (this=0x00000002ab971c20)(), WebCore::FrameViewLayoutContext*> >::call() at Function.h:101:43
    frame #42: 0x000000028000f17a WebCore`WTF::Function<void ()>::operator(this=0x00000002ba500da8)() const at Function.h:56:35
    frame #43: 0x00000002800a1739 WebCore`WebCore::Timer::fired(this=0x00000002ba500d78) at Timer.h:127:9
    frame #44: 0x0000000282f6fffa WebCore`WebCore::ThreadTimers::sharedTimerFiredInternal(this=0x000000029d5853c0) at ThreadTimers.cpp:129:23
    frame #45: 0x0000000282f7a971 WebCore`WebCore::ThreadTimers::setSharedTimer(this=0x000000029d5fa3f8)::$_0::operator()() const at ThreadTimers.cpp:69:80
    frame #46: 0x0000000282f7a929 WebCore`WTF::Function<void ()>::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(this=0x000000029d5fa3f0)::$_0>::call() at Function.h:101:43
    frame #47: 0x000000028000f17a WebCore`WTF::Function<void ()>::operator(this=0x0000000285446520)() const at Function.h:56:35
    frame #48: 0x0000000282f4a977 WebCore`WebCore::MainThreadSharedTimer::fired(this=0x0000000285446518) at MainThreadSharedTimer.cpp:83:5
    frame #49: 0x0000000282fc60b6 WebCore`WebCore::timerFired((null)=0x00006000033bc000, (null)=0x0000000000000000) at MainThreadSharedTimerCF.cpp:74:40

This is about clamping to 0,0 when we update the scroll position from layout. This is a dup of bug 184665.

*** This bug has been marked as a duplicate of bug 184665 ***

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