libotao316

libyang will coredump when call plugin->store ,because plugin is null

3

stack: ``` hread 101 "tNCSess01" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xed0adb40 (LWP 4638)] 0xf2e8ec44 in union_store_type (ctx=0xec960dd8, type=0xd97942f8, subvalue=0xed30ba40, resolve=0 '\000', ctx_node=0x0, tree=0x0, unres=0x0, err=0xed0ac6a0) at /usr1/OBL/ubp/open_source/libyang/src/plugins_types/union.c:182...