[Bug runtime/14057] ERROR: Your privilege credentials (stapsys) are insufficient to run this module (stapdev required).

["mjw at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=14057

--- Comment #4 from Mark Wielaard <mjw at redhat dot com> 2012-05-03 19:06:31 UTC ---
I am slightly lost in how this code is supposed to work.
It looks like we are sending random garbage instead of the real permissions to
the module. In init_staprun we have:

privilege_t user_credentials;
and call insert_stap_module(& user_credentials) to initialize the credentials
so we can then call send_privilege_credentials(user_credentials);

insert_stap_module calls insert_module(modpath, special_options,
                                             modoptions,
                                             assert_stap_module_permissions,
                                             user_credentials);

Where assert_stap_module_permissions is the callback function to actually set
the credentials. But assert_stap_module_permissions () doesn't set
user_credentials when getuid() == 0.

Am I missing something?

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