ep-engine crash with core dump ep_engine.cc:97

Thread 1 (Thread 1314):
#0 0x0000003874230265 in raise () from /lib64/libc.so.6
#1 0x0000003874231d10 in abort () from /lib64/libc.so.6
#2 0x000000387426a99b in __libc_message () from /lib64/libc.so.6
#3 0x0000003874272555 in _int_free () from /lib64/libc.so.6
#4 0x00000038742728bb in free () from /lib64/libc.so.6
#5 0x00002aaaaad9ffaf in StoredValue::operator delete (p=0x1346a260)
at stored-value.hh:72
#6 0x00002aaaaadebb43 in HashTable::clear (this=0xf6b9238, deactivate=true)
at stored-value.cc:134
#7 0x00002aaaaad8afae in HashTable::~HashTable (this=0xf6b9238,
__in_chrg=<value optimized out>) at stored-value.hh:845
#8 0x00002aaaaad8b6b1 in VBucket::~VBucket (this=0xf6b9230,
__in_chrg=<value optimized out>) at vbucket.hh:115
#9 0x00002aaaaad8b8b3 in RCPtr<VBucket>::~RCPtr (this=0x2aaab4f7a568,
__in_chrg=<value optimized out>) at atomic.hh:340
#10 0x00002aaaaada2b9c in VBucketHolder::~VBucketHolder (this=0x2aaab438f140,
__in_chrg=<value optimized out>) at vbucket.hh:251
#11 0x00002aaaaada2dd3 in RCPtr<VBucketHolder>::~RCPtr (this=0x2aaab438ef50,
__in_chrg=<value optimized out>) at atomic.hh:340
#12 0x00002aaaaada309b in VBucketMap::~VBucketMap (this=0x2aaab438ef50,
__in_chrg=<value optimized out>) at vbucket.hh:402
#13 0x00002aaaaad99f38 in EventuallyPersistentStore::~EventuallyPersistentStore (this=0x2aaab438eee0, __in_chrg=<value optimized out>) at ep.cc:426
#14 0x00002aaaaaddc3d0 in EventuallyPersistentEngine::~EventuallyPersistentEngine (this=0x2aaab421bfd0, __in_chrg=<value optimized out>) at ep_engine.h:505
#15 0x00002aaaaadbe1d3 in EvpDestroy (handle=0x2aaab421bfd0, force=true)
at ep_engine.cc:97
#16 0x00002aaaaaaae4ff in engine_shutdown_thread (arg=0x2aaab43bd260)
at bucket_engine.c:1096
#17 0x0000003874e0673d in start_thread () from /lib64/libpthread.so.0
#18 0x00000038742d40cd in clone () from /lib64/libc.so.6