Looks like the fix for JDK-8149834 is not enough.

This happened with the test hotspot/test/stress/gc/TestStressRSetCoarsening.java

Stack: [0x00007fb5fc5fe000,0x00007fb5fc6ff000], sp=0x00007fb5fc6fd450, free space=1021k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x141c6b2] VMError::report_and_die(int, char const*, char const*, __va_list_tag*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long)+0x162
V [libjvm.so+0x141d3af] VMError::report_and_die(Thread*, char const*, int, char const*, char const*, __va_list_tag*)+0x2f
V [libjvm.so+0x947f4d] report_vm_error(char const*, int, char const*, char const*, ...)+0xdd
V [libjvm.so+0xb2d64c] ConcurrentGCTimer::register_gc_concurrent_end(Ticks const&)+0x3c
V [libjvm.so+0xab15f4] G1ConcurrentMark::register_concurrent_phase_end_common(bool) [clone .part.92]+0x84
V [libjvm.so+0xa8ad2c] G1CollectedHeap::register_concurrent_cycle_end()+0xdc
V [libjvm.so+0xa9861b] G1CollectedHeap::do_full_collection(bool, bool)+0x47b
V [libjvm.so+0xa99085] G1CollectedHeap::satisfy_failed_allocation_helper(unsigned long, unsigned char, bool, bool, bool, bool*)+0xe5
V [libjvm.so+0xa99198] G1CollectedHeap::satisfy_failed_allocation(unsigned long, unsigned char, bool*)+0x108
V [libjvm.so+0x14521aa] VM_G1CollectForAllocation::doit()+0xaa
V [libjvm.so+0x144ffe4] VM_Operation::evaluate()+0xb4
V [libjvm.so+0x144bcb8] VMThread::evaluate_operation(VM_Operation*)+0x168
V [libjvm.so+0x144c486] VMThread::loop()+0x236
V [libjvm.so+0x144c9f3] VMThread::run()+0xb3
V [libjvm.so+0x1110382] java_start(Thread*)+0xf2