This bug was filed from the Socorro interface and is report bp-4115eb93-818d-4e43-884c-b406d2131013. ============================================================= Crashing Thread Frame Module Signature Source 0 libxul.so PushMarkStack /home/geeksphone/FOS/peak/gecko/js/src/gc/Heap.h 1 libxul.so PushMarkStack /home/geeksphone/FOS/peak/gecko/js/src/gc/Marking.cpp 2 libxul.so js::GCMarker::drainMarkStack(js::SliceBudget&) /home/geeksphone/FOS/peak/gecko/js/src/gc/Marking.cpp 3 libxul.so IncrementalCollectSlice /home/geeksphone/FOS/peak/gecko/js/src/jsgc.cpp 4 libxul.so GCCycle /home/geeksphone/FOS/peak/gecko/js/src/jsgc.cpp 5 libxul.so Collect /home/geeksphone/FOS/peak/gecko/js/src/jsgc.cpp 6 libxul.so js::GC /home/geeksphone/FOS/peak/gecko/js/src/jsgc.cpp 7 libxul.so JS::ShrinkingGC(JSRuntime*, JS::gcreason::Reason) /home/geeksphone/FOS/peak/gecko/js/src/jsfriendapi.cpp 8 libxul.so mozilla::dom::workers::WorkerPrivate::GarbageCollectInternal(JSContext*, bool, bool) /home/geeksphone/FOS/peak/gecko/dom/workers/WorkerPrivate.cpp 9 libxul.so GarbageCollectRunnable::WorkerRun /home/geeksphone/FOS/peak/gecko/dom/workers/WorkerPrivate.cpp 10 libxul.so mozilla::dom::workers::WorkerRunnable::Run() /home/geeksphone/FOS/peak/gecko/dom/workers/WorkerPrivate.cpp 11 libxul.so mozilla::dom::workers::WorkerPrivate::DoRunLoop(JSContext*) /home/geeksphone/FOS/peak/gecko/dom/workers/WorkerPrivate.cpp 12 libxul.so WorkerThreadRunnable::Run /home/geeksphone/FOS/peak/gecko/dom/workers/RuntimeService.cpp 13 libxul.so nsThread::ProcessNextEvent(bool, bool*) /home/geeksphone/FOS/peak/gecko/xpcom/threads/nsThread.cpp 14 libxul.so NS_ProcessNextEvent(nsIThread*, bool) /home/geeksphone/FOS/peak/gecko/xpcom/glue/nsThreadUtils.cpp 15 libxul.so nsThread::ThreadFunc(void*) /home/geeksphone/FOS/peak/gecko/xpcom/threads/nsThread.cpp 16 libnss3.so _pt_root /home/geeksphone/FOS/peak/gecko/nsprpub/pr/src/pthreads/ptthread.c 17 libc.so __thread_entry /home/geeksphone/FOS/keon_nightly/bionic/libc/bionic/pthread.c 18 libc.so pthread_create /home/geeksphone/FOS/keon_nightly/bionic/libc/bionic/pthread.c Crash in homescreen; More reports https://crash-stats.mozilla.com/report/list?product=B2G&signature=PushMarkStack

This might be a lot like bug 719114 - but this is usually memory corruption so I wonder what could corrupt memory in B2G.