HS24 crashing duing GC while following stacks on hosts with a lot of CPU cores and memory with various collectors. Issue could be reproduced on same hosts with the same testcase.

With parallel GC:
;; Using jvm: "/scratch/local/common/jdk/baseline/linux-amd64/jre/lib/amd64/server/libjvm.so"
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f6cd2f8f8e1, pid=1806, tid=140105111656192
#
# JRE version: Java(TM) SE Runtime Environment (7.0_60-b01) (build 1.7.0_60-ea-langtools-nightly-h431-20131126-b01-b01)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.60-b02 compiled mode linux-amd64 compressed oops)
# Problematic frame:
# V  [libjvm.so+0x5bc8e1]  oopDesc::size_given_klass(Klass*)+0x1
#
# Core dump written. Default location: /scratch/local/323377.JAVASE.NIGHTLY.VM.7u60_Nightly_Baseline.2013-11-26.linux-amd64_vm__server_comp_vm.gc.testlist.runTests/results/ResultDir/steal001/core or core.1806
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
#
...
Stack: [0x00007f6cc3595000,0x00007f6cc3696000],  sp=0x00007f6cc3694a50,  free space=1022k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x5bc8e1]  oopDesc::size_given_klass(Klass*)+0x1;;  oopDesc::size_given_klass(Klass*)+0x1
V  [libjvm.so+0x8689dc]  ParCompactionManager::follow_marking_stacks()+0x1ec;;  ParCompactionManager::follow_marking_stacks()+0x1ec
V  [libjvm.so+0x8503be]  ThreadRootsMarkingTask::do_it(GCTaskManager*, unsigned int)+0xde;;  ThreadRootsMarkingTask::do_it(GCTaskManager*, unsigned int)+0xde
V  [libjvm.so+0x551b9f]  GCTaskThread::run()+0x12f;;  GCTaskThread::run()+0x12f
V  [libjvm.so+0x816178]  java_start(Thread*)+0x108;;  java_start(Thread*)+0x108

With G1 GC:
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f25ebd9be45, pid=907, tid=139796455053056
#
# JRE version: Java(TM) SE Runtime Environment (7.0_60-b01) (build 1.7.0_60-ea-langtools-nightly-h436-20131126-b01-b01)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.60-b03 compiled mode linux-amd64 compressed oops)
# Problematic frame:
# V  [libjvm.so+0x5b3e45]  instanceKlass::oop_follow_contents(oopDesc*)+0x3d5
#
# Core dump written. Default location: /tmp/test/core or core.907
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
#
...
Stack: [0x00007f24e5fb5000,0x00007f24e60b6000],  sp=0x00007f24e60b3b60,  free space=1018k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x5b3e45]  instanceKlass::oop_follow_contents(oopDesc*)+0x3d5
V  [libjvm.so+0x781854]  MarkSweep::follow_stack()+0x44
V  [libjvm.so+0x8090fb]  OopMapSet::all_do(frame const*, RegisterMap const*, OopClosure*, void (*)(oopDesc**, oopDesc**), OopClosure*)+0x2fb
V  [libjvm.so+0x51c099]  frame::oops_do_internal(OopClosure*, CodeBlobClosure*, RegisterMap*, bool)+0x99
V  [libjvm.so+0x94932a]  JavaThread::oops_do(OopClosure*, CodeBlobClosure*)+0x15a
V  [libjvm.so+0x94a436]  Threads::possibly_parallel_oops_do(OopClosure*, CodeBlobClosure*)+0x56
V  [libjvm.so+0x8a6d72]  SharedHeap::process_strong_roots(bool, bool, SharedHeap::ScanningOption, OopClosure*, CodeBlobClosure*, OopsInGenClosure*)+0xa2
V  [libjvm.so+0x5473a2]  G1MarkSweep::mark_sweep_phase1(bool&, bool)+0x72
V  [libjvm.so+0x5475e5]  G1MarkSweep::invoke_at_safepoint(ReferenceProcessor*, bool)+0xa5
V  [libjvm.so+0x529086]  G1CollectedHeap::do_collection(bool, bool, unsigned long)+0x696
V  [libjvm.so+0x52a92e]  G1CollectedHeap::satisfy_failed_allocation(unsigned long, bool*)+0x8e
V  [libjvm.so+0x99e03f]  VM_G1CollectForAllocation::doit()+0x7f
V  [libjvm.so+0x99d105]  VM_Operation::evaluate()+0x55
V  [libjvm.so+0x99b53a]  VMThread::evaluate_operation(VM_Operation*)+0xba
V  [libjvm.so+0x99b8be]  VMThread::loop()+0x1ce
V  [libjvm.so+0x99bd30]  VMThread::run()+0x70
V  [libjvm.so+0x8161f8]  java_start(Thread*)+0x108

With Serial GC:
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f3dd4d26843, pid=26269, tid=139903295862528
#
# JRE version: Java(TM) SE Runtime Environment (7.0_60-b01) (build 1.7.0_60-ea-langtools-nightly-h436-20131126-b01-b01)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (24.60-b03 compiled mode linux-amd64 compressed oops)
# Problematic frame:
# V  [libjvm.so+0x781843]  MarkSweep::follow_stack()+0x33
#
# Core dump written. Default location: /tmp/test/core or core.26269
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.sun.com/bugreport/crash.jsp
#
...
Stack: [0x00007f3dc630b000,0x00007f3dc640c000],  sp=0x00007f3dc640a1e0,  free space=1020k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0x781843]  MarkSweep::follow_stack()+0x33
V  [libjvm.so+0x965a16]  Universe::oops_do(OopClosure*, bool)+0x536
V  [libjvm.so+0x8a6f4a]  SharedHeap::process_strong_roots(bool, bool, SharedHeap::ScanningOption, OopClosure*, CodeBlobClosure*, OopsInGenClosure*)+0x27a
V  [libjvm.so+0x562854]  GenCollectedHeap::gen_process_strong_roots(int, bool, bool, bool, SharedHeap::ScanningOption, OopsInGenClosure*, bool, OopsInGenClosure*)+0x74
V  [libjvm.so+0x566172]  GenMarkSweep::mark_sweep_phase1(int, bool)+0xa2
V  [libjvm.so+0x56686f]  GenMarkSweep::invoke_at_safepoint(int, ReferenceProcessor*, bool)+0x18f
V  [libjvm.so+0x572594]  OneContigSpaceCardGeneration::collect(bool, bool, unsigned long, bool)+0xa4
V  [libjvm.so+0x56515b]  GenCollectedHeap::do_collection(bool, bool, unsigned long, bool, int)+0x54b
V  [libjvm.so+0x4284c9]  GenCollectorPolicy::satisfy_failed_allocation(unsigned long, bool)+0x1a9
V  [libjvm.so+0x9954c4]  VM_GenCollectForAllocation::doit()+0x94
V  [libjvm.so+0x99d105]  VM_Operation::evaluate()+0x55
V  [libjvm.so+0x99b53a]  VMThread::evaluate_operation(VM_Operation*)+0xba
V  [libjvm.so+0x99b8be]  VMThread::loop()+0x1ce
V  [libjvm.so+0x99bd30]  VMThread::run()+0x70
V  [libjvm.so+0x8161f8]  java_start(Thread*)+0x108