Thank you for taking the time to report this bug and helping to make
Ubuntu better.
Which Ubuntu releases and libnl3 package versions are affected, please?
Which upstream release first included these patches? And please could
you provide your failure use cases so that we can decide on importance
and the trade-offs in maintenance, regression risk, etc, in deciding
whether to cherry-pick these fixes over waiting to update to a new
upstream release in a future Ubuntu release?
Once you have answered these questions, please change the bug status
back to New. Thanks!
** Changed in: libnl3 (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1511735
Title:
libnl: fail to bind() netlink sockets
Status in libnl3 package in Ubuntu:
Incomplete
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.
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