When dlsym is handed an address in a shared object that doesn't match a symbol in that shared object (such as a C++ vtable) it returns success but sets dli_sname to null.
Handle this case rather than crashing.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
When dlsym is handed an address in a shared object that doesn't match a symbol in that shared object (such as a C++ vtable) it returns success but sets dli_sname to null.
Handle this case rather than crashing.