Bug 140831

Summary:	Some tests flake with a null deref in MediaTime::isValid()
Product:	WebKit	Reporter:	Tim Horton <thorton>
Component:	Media	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED DUPLICATE
Severity:	Normal	Keywords:	MakingBotsRed
Priority:	P2
Version:	528+ (Nightly build)
Hardware:	Unspecified
OS:	Unspecified

Description Tim Horton 2015-01-23 11:15:29 PST

Jer seemed to think he knew why this was happening:

https://build.webkit.org/results/Apple%20Yosemite%20Debug%20WK1%20(Tests)/r179008%20(1756)/http/tests/media/track-in-band-hls-metadata-crash-log.txt

Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000044

0   com.apple.JavaScriptCore      	0x0000000105c9fd8c WTF::MediaTime::isValid() const + 12
1   com.apple.JavaScriptCore      	0x0000000105c9f6e5 WTF::MediaTime::isInvalid() const + 21
2   com.apple.JavaScriptCore      	0x0000000105c9f032 WTF::MediaTime::compare(WTF::MediaTime const&) const + 242
3   com.apple.JavaScriptCore      	0x0000000105c9f3cd WTF::MediaTime::operator>=(WTF::MediaTime const&) const + 29
4   com.apple.WebCore             	0x000000010a4aa683 WebCore::InbandMetadataTextTrackPrivateAVF::updatePendingCueEndTimes(WTF::MediaTime const&) + 51 (InbandMetadataTextTrackPrivateAVF.cpp:73)
5   com.apple.WebCore             	0x000000010ad07be6 WebCore::MediaPlayerPrivateAVFoundationObjC::metadataDidArrive(WTF::RetainPtr<NSArray>, WTF::MediaTime const&) + 790 (MediaPlayerPrivateAVFoundationObjC.mm:2733)
6   com.apple.WebCore             	0x000000010ad2b60e WTF::FunctionWrapper<void (WebCore::MediaPlayerPrivateAVFoundationObjC::*)(WTF::RetainPtr<NSArray>, WTF::MediaTime const&)>::operator()(WebCore::MediaPlayerPrivateAVFoundationObjC*, WTF::RetainPtr<NSArray>, WTF::MediaTime const&) + 158 (Functional.h:274)

Comment 1 Tim Horton 2015-01-23 11:17:12 PST


*** This bug has been marked as a duplicate of bug 140827 ***