{"action":"created","issue":{"url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4320","labels_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4320/labels{/name}","comments_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4320/comments","events_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4320/events","html_url":"https://github.com/RIOT-OS/RIOT/issues/4320","id":117900279,"number":4320,"title":"sockets: conn: recvfrom without a bind","user":{"login":"OlegHahm","id":1590423,"avatar_url":"https://avatars.githubusercontent.com/u/1590423?v=3","gravatar_id":"","url":"https://api.github.com/users/OlegHahm","html_url":"https://github.com/OlegHahm","followers_url":"https://api.github.com/users/OlegHahm/followers","following_url":"https://api.github.com/users/OlegHahm/following{/other_user}","gists_url":"https://api.github.com/users/OlegHahm/gists{/gist_id}","starred_url":"https://api.github.com/users/OlegHahm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/OlegHahm/subscriptions","organizations_url":"https://api.github.com/users/OlegHahm/orgs","repos_url":"https://api.github.com/users/OlegHahm/repos","events_url":"https://api.github.com/users/OlegHahm/events{/privacy}","received_events_url":"https://api.github.com/users/OlegHahm/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/RIOT-OS/RIOT/labels/bug","name":"bug","color":"fc2929"},{"url":"https://api.github.com/repos/RIOT-OS/RIOT/labels/network","name":"network","color":"bfdadc"}],"state":"open","locked":false,"assignee":{"login":"authmillenon","id":675644,"avatar_url":"https://avatars.githubusercontent.com/u/675644?v=3","gravatar_id":"","url":"https://api.github.com/users/authmillenon","html_url":"https://github.com/authmillenon","followers_url":"https://api.github.com/users/authmillenon/followers","following_url":"https://api.github.com/users/authmillenon/following{/other_user}","gists_url":"https://api.github.com/users/authmillenon/gists{/gist_id}","starred_url":"https://api.github.com/users/authmillenon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/authmillenon/subscriptions","organizations_url":"https://api.github.com/users/authmillenon/orgs","repos_url":"https://api.github.com/users/authmillenon/repos","events_url":"https://api.github.com/users/authmillenon/events{/privacy}","received_events_url":"https://api.github.com/users/authmillenon/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/RIOT-OS/RIOT/milestones/10","html_url":"https://github.com/RIOT-OS/RIOT/milestones/Release%202015.12","labels_url":"https://api.github.com/repos/RIOT-OS/RIOT/milestones/10/labels","id":871004,"number":10,"title":"Release 2015.12","description":"This is the next major milestone.","creator":{"login":"OlegHahm","id":1590423,"avatar_url":"https://avatars.githubusercontent.com/u/1590423?v=3","gravatar_id":"","url":"https://api.github.com/users/OlegHahm","html_url":"https://github.com/OlegHahm","followers_url":"https://api.github.com/users/OlegHahm/followers","following_url":"https://api.github.com/users/OlegHahm/following{/other_user}","gists_url":"https://api.github.com/users/OlegHahm/gists{/gist_id}","starred_url":"https://api.github.com/users/OlegHahm/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/OlegHahm/subscriptions","organizations_url":"https://api.github.com/users/OlegHahm/orgs","repos_url":"https://api.github.com/users/OlegHahm/repos","events_url":"https://api.github.com/users/OlegHahm/events{/privacy}","received_events_url":"https://api.github.com/users/OlegHahm/received_events","type":"User","site_admin":false},"open_issues":169,"closed_issues":163,"state":"open","created_at":"2014-11-18T10:51:58Z","updated_at":"2015-11-24T20:18:56Z","due_on":"2015-12-07T00:00:00Z","closed_at":null},"comments":7,"created_at":"2015-11-19T20:25:23Z","updated_at":"2015-11-25T15:22:49Z","closed_at":null,"body":"If I understand the code and its behavior correctly, it is not possible to call POSIX `recvfrom()` without a `bind()` before which is not what you would expect for a connectionless (aka DGRAM aka UDP) socket. Or am I missing something?"},"comment":{"url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/comments/159639356","html_url":"https://github.com/RIOT-OS/RIOT/issues/4320#issuecomment-159639356","issue_url":"https://api.github.com/repos/RIOT-OS/RIOT/issues/4320","id":159639356,"user":{"login":"authmillenon","id":675644,"avatar_url":"https://avatars.githubusercontent.com/u/675644?v=3","gravatar_id":"","url":"https://api.github.com/users/authmillenon","html_url":"https://github.com/authmillenon","followers_url":"https://api.github.com/users/authmillenon/followers","following_url":"https://api.github.com/users/authmillenon/following{/other_user}","gists_url":"https://api.github.com/users/authmillenon/gists{/gist_id}","starred_url":"https://api.github.com/users/authmillenon/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/authmillenon/subscriptions","organizations_url":"https://api.github.com/users/authmillenon/orgs","repos_url":"https://api.github.com/users/authmillenon/repos","events_url":"https://api.github.com/users/authmillenon/events{/privacy}","received_events_url":"https://api.github.com/users/authmillenon/received_events","type":"User","site_admin":false},"created_at":"2015-11-25T15:22:49Z","updated_at":"2015-11-25T15:22:49Z","body":"Mh, now that @cgundogan is pointing this out I'm wondering these things, too. I thought it was a fuck-up on my part, but then I realized, that interacting with packets without bind only makes sense for sending, but not receiving."}}