Memcached crash post offline upgrade from 180 to latest 181

Test case failing:-

upgradetests.MultipleNodeUpgradeTests.test_upgrade,start_upgraded_first=True,insert_data=True,initial_version=1.7.0,create_buckets=True,upgrade_path=1.7.1.1,1.7.2,1.8.0r-55,online_upgrade=False,load_ratio=4 -p version=1.8.1-846-rel

warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff0c7fd000
Core was generated by `/opt/couchbase/bin/memcached -X /opt/couchbase/lib/memcached/stdin_term_handler'.
Program terminated with signal 6, Aborted.
#0 0x00000037f7630265 in raise () from /lib64/libc.so.6
(gdb) t a a bt

Thread 9 (Thread 0x2aff79b57220 (LWP 18421)):
#0 0x00000037f76d48a8 in epoll_wait () from /lib64/libc.so.6
#1 0x00002aff796d9be8 in epoll_dispatch (base=0xd976000, tv=<value optimized out>) at epoll.c:404
#2 0x00002aff796c7d5a in event_base_loop (base=0xd976000, flags=<value optimized out>) at event.c:1558
#3 0x0000000000408cd0 in main (argc=<value optimized out>, argv=<value optimized out>) at daemon/memcached.c:7495

Thread 8 (Thread 18422):
#0 0x00000037f76c678b in read () from /lib64/libc.so.6
#1 0x00000037f766cd57 in _IO_new_file_underflow () from /lib64/libc.so.6
#2 0x00000037f766d71e in _IO_default_uflow_internal () from /lib64/libc.so.6
#3 0x00000037f7668fdb in getc () from /lib64/libc.so.6
#4 0x00002aff79b58875 in check_stdin_thread (arg=0x403450) at extensions/daemon/stdin_check.c:19
#5 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#6 0x00000037f76d44bd in clone () from /lib64/libc.so.6

Thread 7 (Thread 18423):
#0 0x00000037f769a541 in nanosleep () from /lib64/libc.so.6
#1 0x00000037f769a364 in sleep () from /lib64/libc.so.6
#2 0x0000000000415cb8 in check_isasl_db_thread (arg=<value optimized out>) at daemon/isasl.c:233
#3 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#4 0x00000037f76d44bd in clone () from /lib64/libc.so.6

Thread 6 (Thread 18424):
#0 0x00000037f820d524 in __lll_lock_wait () from /lib64/libpthread.so.0
#1 0x00000037f8208e1a in _L_lock_1034 () from /lib64/libpthread.so.0
#2 0x00000037f8208cdc in pthread_mutex_lock () from /lib64/libpthread.so.0
#3 0x00002aaaaaaae64c in must_lock (name=0x421c9a40 "bucket-1") at bucket_engine.c:252
#4 lock_engines (name=0x421c9a40 "bucket-1") at bucket_engine.c:282
#5 find_bucket (name=0x421c9a40 "bucket-1") at bucket_engine.c:568
#6 0x00002aaaaaaae774 in handle_select_bucket (handle=0x2aaaaacb37e0, cookie=0xd993608, request=0xd997000, response=0x409460 <binary_response_handler>) at bucket_engine.c:2236
#7 0x00002aaaaaaaf2c7 in bucket_unknown_command (handle=0x2aaaaacb37e0, cookie=0xd993608, request=0xd997000, response=0x409460 <binary_response_handler>) at bucket_engine.c:2325
#8 0x000000000040ea5e in process_bin_unknown_packet (c=0xd993608) at daemon/memcached.c:2597
#9 process_bin_packet (c=0xd993608) at daemon/memcached.c:2836
#10 0x00000000004107dc in complete_nread (c=0x2aaaaacb3918) at daemon/memcached.c:3393
#11 conn_nread (c=0x2aaaaacb3918) at daemon/memcached.c:5290
#12 0x00000000004063fe in event_handler (fd=51, which=<value optimized out>, arg=0xd993608) at daemon/memcached.c:5532
#13 0x00002aff796c8109 in event_base_loop (base=0xd976500, flags=<value optimized out>) at event.c:1308
#14 0x0000000000413734 in worker_libevent (arg=0xd94e500) at daemon/thread.c:301
#15 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#16 0x00000037f76d44bd in clone () from /lib64/libc.so.6

Thread 5 (Thread 18425):
#0 0x00000037f76d48a8 in epoll_wait () from /lib64/libc.so.6
#1 0x00002aff796d9be8 in epoll_dispatch (base=0xd976280, tv=<value optimized out>) at epoll.c:404
#2 0x00002aff796c7d5a in event_base_loop (base=0xd976280, flags=<value optimized out>) at event.c:1558
#3 0x0000000000413734 in worker_libevent (arg=0xd94e5f8) at daemon/thread.c:301
#4 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#5 0x00000037f76d44bd in clone () from /lib64/libc.so.6

Thread 4 (Thread 18426):
#0 0x00000037f820d524 in __lll_lock_wait () from /lib64/libpthread.so.0
#1 0x00000037f8208e1a in _L_lock_1034 () from /lib64/libpthread.so.0
#2 0x00000037f8208cdc in pthread_mutex_lock () from /lib64/libpthread.so.0
#3 0x00002aaaaaaae505 in must_lock (handle=0x2aaaaacb37e0, cookie=0xd992dc8, request=<value optimized out>, response=0x409460 <binary_response_handler>) at bucket_engine.c:252
#4 lock_engines (handle=0x2aaaaacb37e0, cookie=0xd992dc8, request=<value optimized out>, response=0x409460 <binary_response_handler>) at bucket_engine.c:282
#5 handle_create_bucket (handle=0x2aaaaacb37e0, cookie=0xd992dc8, request=<value optimized out>, response=0x409460 <binary_response_handler>) at bucket_engine.c:2046
#6 0x00002aaaaaaaf273 in bucket_unknown_command (handle=0x2aaaaacb37e0, cookie=0xd992dc8, request=0xd9bb800, response=0x409460 <binary_response_handler>) at bucket_engine.c:2313
#7 0x000000000040ea5e in process_bin_unknown_packet (c=0xd992dc8) at daemon/memcached.c:2597
#8 process_bin_packet (c=0xd992dc8) at daemon/memcached.c:2836
#9 0x00000000004107dc in complete_nread (c=0x2aaaaacb3918) at daemon/memcached.c:3393
#10 conn_nread (c=0x2aaaaacb3918) at daemon/memcached.c:5290
#11 0x00000000004063fe in event_handler (fd=49, which=<value optimized out>, arg=0xd992dc8) at daemon/memcached.c:5532
--Type <return> to continue, or q <return> to quit--
#12 0x00002aff796c8109 in event_base_loop (base=0xd976c80, flags=<value optimized out>) at event.c:1308
#13 0x0000000000413734 in worker_libevent (arg=0xd94e6f0) at daemon/thread.c:301
#14 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#15 0x00000037f76d44bd in clone () from /lib64/libc.so.6

Thread 3 (Thread 18428):
#0 0x00000037f76d48a8 in epoll_wait () from /lib64/libc.so.6
#1 0x00002aff796d9be8 in epoll_dispatch (base=0xd976780, tv=<value optimized out>) at epoll.c:404
#2 0x00002aff796c7d5a in event_base_loop (base=0xd976780, flags=<value optimized out>) at event.c:1558
#3 0x0000000000413734 in worker_libevent (arg=0xd94e8e0) at daemon/thread.c:301
#4 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#5 0x00000037f76d44bd in clone () from /lib64/libc.so.6

Thread 2 (Thread 18502):
#0 0x00000037f769a541 in nanosleep () from /lib64/libc.so.6
#1 0x00000037f76cded4 in usleep () from /lib64/libc.so.6
#2 0x00002aaaaad51818 in updateStatsThread (arg=<value optimized out>) at memory_tracker.cc:31
#3 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#4 0x00000037f76d44bd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x43fcd940 (LWP 18427)):

#0 0x00000037f7630265 in raise () from /lib64/libc.so.6
#1 0x00000037f7631d10 in abort () from /lib64/libc.so.6
#2 0x000000380a0bed14 in _gnu_cxx::_verbose_terminate_handler() () from /usr/lib64/libstdc++.so.6
#3 0x000000380a0bce16 in ?? () from /usr/lib64/libstdc++.so.6
#4 0x000000380a0bce43 in std::terminate() () from /usr/lib64/libstdc++.so.6
#5 0x000000380a0bcf2a in __cxa_throw () from /usr/lib64/libstdc++.so.6
#6 0x00002aaaaad81753 in SqliteStrategy::open (this=<value optimized out>) at sqlite-strategies.cc:184
#7 0x00002aaaaad7a99f in open (this=0xebd5d40, st=..., s=Traceback (most recent call last):
File "/usr/share/gdb/python/libstdcxx/v6/printers.py", line 32, in to_string
return '%s (count %d) %s' % (self.typename,
TypeError: int argument required
) at sqlite-kvstore.hh:189
#8 StrategicSqlite3::StrategicSqlite3 (this=0xebd5d40, st=..., s=Traceback (most recent call last):
File "/usr/share/gdb/python/libstdcxx/v6/printers.py", line 32, in to_string
return '%s (count %d) %s' % (self.typename,
TypeError: int argument required
) at sqlite-kvstore.cc:18
#9 0x00002aaaaad785a0 in KVStore::create (type=<value optimized out>, stats=..., conf=...) at kvstore.cc:53
#10 0x00002aaaaad26100 in EventuallyPersistentEngine::newKVStore (this=<value optimized out>) at ep_engine.cc:1710
#11 0x00002aaaaad0eb05 in EventuallyPersistentStore::EventuallyPersistentStore (this=0xebc2280, theEngine=..., t=<value optimized out>, startVb0=false, concurrentDB=true) at ep.cc:344
#12 0x00002aaaaad3710e in EventuallyPersistentEngine::initialize (this=0xd9ee000,
config=0x43fcc8c3 "ht_size=3079;ht_locks=5;db_shards=4;tap_noop_interval=20;max_txn_size=1000;max_size=1076887552;initfile=/opt/couchbase/etc/couchbase/init.sql;tap_keepalive=300;dbname=/opt/membase/var/lib/membase/data"...)
at ep_engine.cc:1613
#13 0x00002aaaaad388c6 in EvpInitialize (handle=0xd9ee000,
config_str=0x43fcc8c3 "ht_size=3079;ht_locks=5;db_shards=4;tap_noop_interval=20;max_txn_size=1000;max_size=1076887552;initfile=/opt/couchbase/etc/couchbase/init.sql;tap_keepalive=300;dbname=/opt/membase/var/lib/membase/data"...)
at ep_engine.cc:124
#14 0x00002aaaaaaade33 in create_bucket_UNLOCKED (e=0x2aaaaacb37e0, bucket_name=0x43fcca30 "bucket-0", path=0x43fcc8a0 "/opt/couchbase/lib/memcached/ep.so",
config=0x43fcc8c3 "ht_size=3079;ht_locks=5;db_shards=4;tap_noop_interval=20;max_txn_size=1000;max_size=1076887552;initfile=/opt/couchbase/etc/couchbase/init.sql;tap_keepalive=300;dbname=/opt/membase/var/lib/membase/data"...,
e_out=0x0, msg=0x43fcc490 "", msglen=1024) at bucket_engine.c:685
#15 0x00002aaaaaaae536 in handle_create_bucket (handle=0x2aaaaacb37e0, cookie=0xd993088, request=<value optimized out>, response=0x409460 <binary_response_handler>) at bucket_engine.c:2048
#16 0x00002aaaaaaaf273 in bucket_unknown_command (handle=0x2aaaaacb37e0, cookie=0xd993088, request=0xd9bd000, response=0x409460 <binary_response_handler>) at bucket_engine.c:2313
#17 0x000000000040ea5e in process_bin_unknown_packet (c=0xd993088) at daemon/memcached.c:2597
#18 process_bin_packet (c=0xd993088) at daemon/memcached.c:2836
#19 0x00000000004107dc in complete_nread (c=0x47f5) at daemon/memcached.c:3393
#20 conn_nread (c=0x47f5) at daemon/memcached.c:5290
#21 0x00000000004063fe in event_handler (fd=50, which=<value optimized out>, arg=0xd993088) at daemon/memcached.c:5532
#22 0x00002aff796c8109 in event_base_loop (base=0xd976a00, flags=<value optimized out>) at event.c:1308
#23 0x0000000000413734 in worker_libevent (arg=0xd94e7e8) at daemon/thread.c:301
#24 0x00000037f820673d in start_thread () from /lib64/libpthread.so.0
#25 0x00000037f76d44bd in clone () from /lib64/libc.so.6