The enclosed tar file contains the updated test script and the 4 patches that can be applied cleanly over the ubuntu libnl3-3.2.21.
Before the patches: $ if ./example.sh ; then echo success ; else echo failure ; fi gcc -o example -I/usr/include/libnl3 example.c -lnl-3 -lnl-genl-3 set manually the local port to 15754 (pid: 15753) local port has been set by the libnl to 15754 (pid: 15754) genl_connect(): Object exists (local port: 15754, pid: 15754) failure After the patches: $ if ./example.sh ; then echo success ; else echo failure ; fi gcc -o example -I/usr/include/libnl3 example.c -lnl-3 -lnl-genl-3 set manually the local port to 15768 (pid: 15767) local port has been set by the libnl to 432029080 (pid: 15768) success ** Attachment added: "20151115_test_and_patches.tar" https://bugs.launchpad.net/ubuntu/+source/libnl3/+bug/1511735/+attachment/4535092/+files/20151115_test_and_patches.tar -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libnl3 in Ubuntu. https://bugs.launchpad.net/bugs/1511735 Title: libnl: fail to bind() netlink sockets Status in libnl3 package in Ubuntu: Fix Released Status in libnl3 source package in Trusty: New Bug description: The following upstream patches are needed in order to avoid failures when binding a netlink socket: 1f734a8f892a lib/socket: randomize the generated local port http://git.infradead.org/users/tgr/libnl.git/commitdiff/1f734a8f892a 4dd5fdd0af2c lib/socket: retry generate local port in nl_connect on ADDRINUSE http://git.infradead.org/users/tgr/libnl.git/commitdiff/4dd5fdd0af2c 027157898708 lib/socket: don't fail if no more local ports can be assigned in nl_socket_alloc http://git.infradead.org/users/tgr/libnl.git/commitdiff/027157898708 0fd510b3673f lib/socket: use proper typed constant UINT32_MAX for uint32_t typed port http://git.infradead.org/users/tgr/libnl.git/commitdiff/0fd510b3673f Without these patches, an application which opens and closes regularly netlink sockets can easily fails to bind them. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libnl3/+bug/1511735/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp