[Webkit-unassigned] [Bug 180253] [MSE] Add isValid() assertions on PlatformTimeRanges::add() range ends

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=180253

--- Comment #4 from Alicia Boya García <aboya at igalia.com> ---
The assertion has failed in one of the MSE tests in macOS. Please check what made the code generate an invalid range.

ASSERTION FAILED: end.isValid()
/Volumes/Data/EWS/WebKit/Source/WebCore/platform/graphics/PlatformTimeRanges.cpp(138) : void WebCore::PlatformTimeRanges::add(const WTF::MediaTime &, const WTF::MediaTime &)
1   0x103bca120 WTFCrash
2   0x10e41b853 WebCore::PlatformTimeRanges::add(WTF::MediaTime const&, WTF::MediaTime const&)
3   0x10e41b7b5 WebCore::PlatformTimeRanges::PlatformTimeRanges(WTF::MediaTime const&, WTF::MediaTime const&)
4   0x10e41ba75 WebCore::PlatformTimeRanges::PlatformTimeRanges(WTF::MediaTime const&, WTF::MediaTime const&)
5   0x10be2e743 WebCore::MediaPlayerPrivateMediaSourceAVFObjC::seekable() const
6   0x10e4011f2 WebCore::MediaPlayer::seekable()
7   0x10dc01e8f WebCore::HTMLMediaElement::seekable() const
8   0x10dbfa7f4 WebCore::HTMLMediaElement::seekTask()
9   0x10dc22337 WTF::Function<void ()>::CallableWrapper<std::__1::__bind<void (WebCore::HTMLMediaElement::*)(), WebCore::HTMLMediaElement*> >::call()
10  0x10bbf15ee WTF::Function<void ()>::operator()() const
11  0x10bdbf961 WebCore::GenericTaskQueue<WebCore::Timer>::enqueueTask(WTF::Function<void ()>&&)::'lambda'()::operator()() const
12  0x10bdbf6fc WTF::Function<void ()>::CallableWrapper<WebCore::GenericTaskQueue<WebCore::Timer>::enqueueTask(WTF::Function<void ()>&&)::'lambda'()>::call()
13  0x10bbf15ee WTF::Function<void ()>::operator()() const
14  0x10e27ebeb WebCore::TaskDispatcher<WebCore::Timer>::dispatchOneTask()
15  0x10e27eb2f WebCore::TaskDispatcher<WebCore::Timer>::sharedTimerFired()
16  0x10e27f361 WebCore::TaskDispatcher<WebCore::Timer>::sharedTimer()::$_1::operator()() const
17  0x10e27f31c WTF::Function<void ()>::CallableWrapper<WebCore::TaskDispatcher<WebCore::Timer>::sharedTimer()::$_1>::call()
18  0x10bbf15ee WTF::Function<void ()>::operator()() const
19  0x10bc65e9c WebCore::Timer::fired()
20  0x10e2b95a2 WebCore::ThreadTimers::sharedTimerFiredInternal()
21  0x10e2c2c91 WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0::operator()() const
22  0x10e2c2c3c WTF::Function<void ()>::CallableWrapper<WebCore::ThreadTimers::setSharedTimer(WebCore::SharedTimer*)::$_0>::call()
23  0x10bbf15ee WTF::Function<void ()>::operator()() const
24  0x10e290529 WebCore::MainThreadSharedTimer::fired()
25  0x10e331eb9 WebCore::timerFired(__CFRunLoopTimer*, void*)
26  0x7fff8cfecae4 __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__
27  0x7fff8cfec773 __CFRunLoopDoTimer
28  0x7fff8cfec2ca __CFRunLoopDoTimers
29  0x7fff8cfe37c1 __CFRunLoopRun
30  0x7fff8cfe2e28 CFRunLoopRunSpecific
31  0x101ed61de runTest(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&)

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