Seen on linux x64, jdk-jdk.
top is:
"8251257: NMT: jcmd VM.native_memory scale=1 crashes target VM"
Stack: [0x00007f5233cfd000,0x00007f5233dfe000], sp=0x00007f5233dfcc30, free space=1023k
Native frames: (J=compiled Java code, A=aot compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x77c4c4] ShenandoahBarrierSet::enqueue(oop)+0x2b4
V [libjvm.so+0x7d3460] AccessInternal::PostRuntimeDispatch<ShenandoahBarrierSet::AccessBarrier<548980ul, ShenandoahBarrierSet>, (AccessInternal::BarrierType)0, 548980ul>::oop_access_barrier(void*, oop)+0x1e0
V [libjvm.so+0x13f83fd] ServiceThread::service_thread_entry(JavaThread*, Thread*)+0x47d
V [libjvm.so+0x166f15f] JavaThread::thread_main_inner()+0x21f
V [libjvm.so+0x1673e66] Thread::call_run()+0xf6
V [libjvm.so+0x1299246] thread_native_entry(Thread*)+0x116
hs-err attached