Bug 125789 – CStack Branch: REGRESSION(r160600) ASSERT failure in Heap::collect()

• Status: RESOLVED
• Resolution: FIXED
• Component: JavaScriptCore

[Michael Saboff]

ASSERTION FAILED: vm()->currentThreadIsHoldingAPILock()
/Volumes/Data/src/webkit.cstack/Source/JavaScriptCore/heap/Heap.cpp(755) : void JSC::Heap::collect(JSC::Heap::SweepToggle)
1   0x1006c5700 WTFCrash
2   0x10034fdf2 JSC::Heap::collect(JSC::Heap::SweepToggle)
3   0x10034e694 JSC::Heap::collectIfNecessaryOrDefer()
4   0x10012467f JSC::CopiedSpace::allocateBlock()
5   0x1001230ef JSC::CopiedSpace::init()
6   0x10034e209 JSC::Heap::Heap(JSC::VM*, JSC::HeapType)
7   0x10034df63 JSC::Heap::Heap(JSC::VM*, JSC::HeapType)
8   0x100666033 JSC::VM::VM(JSC::VM::VMType, JSC::HeapType)
9   0x100665f31 JSC::VM::VM(JSC::VM::VMType, JSC::HeapType)
10  0x100668a2e JSC::VM::create(JSC::HeapType)
11  0x100001993 jscmain(int, char**)
12  0x1000018b6 main
13  0x7fff93a6e5fd start
14  0x2

We don't have the API lock because we are still initializing the VM.  We should try collecting since we haven't allocated anything.  I think we need to put the shouldCollect() check back in collectIfNecessaryOrDefer().

[Michael Saboff]

Created attachment 219333 [details]
Patch

[Mark Lam]

Comment on attachment 219333 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=219333&action=review

> Source/JavaScriptCore/ChangeLog:8
> +        Restored the chouldCollect() check so we don't collect on start up.

typo: chouldCollect() ==> shouldCollect().

[Geoffrey Garen]

Comment on attachment 219333 [details]
Patch

r=me

[Michael Saboff]

Committed r160658: <http://trac.webkit.org/changeset/160658>