NULL pointer dereference in __block_destroy after allocation failure

static int

__block_destroy(WT_SESSION_IMPL *session, WT_BLOCK *block)

{

128  	WT_CONNECTION_IMPL *conn;

129  	WT_DECL_RET;

130  	uint64_t bucket;

131

132     conn = S2C(session);

133     bucket = block->name_hash % WT_HASH_ARRAY_SIZE;

[....snip....]

int

__wt_block_open(WT_SESSION_IMPL *session,

    const char *filename, const char *cfg[],

    int forced_salvage, int readonly, uint32_t allocsize, WT_BLOCK **blockp)

{

	WT_BLOCK *block;

	WT_CONFIG_ITEM cval;

	WT_CONNECTION_IMPL *conn;

	WT_DECL_RET;

	uint64_t bucket, hash;

[....snip....]

199  	/* Basic structure allocation, initialization. */

200  	WT_ERR(__wt_calloc_one(session, &block));

[....snip....]

267  err:	  WT_TRET(__block_destroy(session, block));

==31572== ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc 0x000002d64834 sp 0x7fff86097be0 bp 0x7fff86097c20 T0)

AddressSanitizer can not provide additional info.

#0 0x2d64833 in __block_destroy /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/block/block_open.c:133

#1 0x2d6585d in __wt_block_open /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/block/block_open.c:267

#2 0x2d63aec in __wt_block_manager_open /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/block/block_mgr.c:427

#3 0x2d9bb03 in __wt_btree_open /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/btree/bt_handle.c:70

#4 0x2e22789 in __wt_conn_btree_open /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/conn/conn_dhandle.c:331

#5 0x2f65a28 in __wt_session_get_btree /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/session/session_dhandle.c:456

#6 0x2f65636 in __wt_session_get_btree /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/session/session_dhandle.c:447

#7 0x2f33606 in __create_file /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/schema/schema_create.c:119

#8 0x2f372ef in __wt_schema_create /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/schema/schema_create.c:631

#9 0x2f347a9 in __create_colgroup /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/schema/schema_create.c:250

#10 0x2f36bb5 in __create_table /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/schema/schema_create.c:556

#11 0x2f37565 in __wt_schema_create /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/schema/schema_create.c:637

#12 0x2f5772c in __session_create /home/s/code/mongo/mongo/src/third_party/wiredtiger/src/session/session_api.c:441

#13 0x2054605 in mongo::WiredTigerKVEngine::createRecordStore(mongo::OperationContext*, mongo::StringData, mongo::StringData, mongo::CollectionOptions const&) /home/s/code/mongo/mongo/src/mongo/db/storage/wiredtiger/wiredtiger_kv_engine.cpp:270

#14 0x1f568a9 in mongo::KVStorageEngine::KVStorageEngine(mongo::KVEngine*, mongo::KVStorageEngineOptions const&) /home/s/code/mongo/mongo/src/mongo/db/storage/kv/kv_storage_engine.cpp:88

#15 0x2051acd in mongo::(anonymous namespace)::WiredTigerFactory::create(mongo::StorageGlobalParams const&, mongo::StorageEngineLockFile const&) const /home/s/code/mongo/mongo/src/mongo/db/storage/wiredtiger/wiredtiger_init.cpp:76

#16 0x1f01dae in mongo::ServiceContextMongoD::initializeGlobalStorageEngine() /home/s/code/mongo/mongo/src/mongo/db/service_context_d.cpp:144

#17 0x15ae561 in mongo::_initAndListen(int) /home/s/code/mongo/mongo/src/mongo/db/db.cpp:416

#18 0x15afb33 in mongo::initAndListen(int) /home/s/code/mongo/mongo/src/mongo/db/db.cpp:594

#19 0x15b1304 in mongoDbMain(int, char**, char**) /home/s/code/mongo/mongo/src/mongo/db/db.cpp:823

#20 0x15afedd in main /home/s/code/mongo/mongo/src/mongo/db/db.cpp:639

#21 0x7fe86d94dec4 in __libc_start_main /build/buildd/eglibc-2.19/csu/libc-start.c:287

#22 0x15ab728 in _start (/home/s/code/mongo/mongo/mongod+0x15ab728)