[Bugs] [Bug 1196904] New: RDMA mount fails for unprivileged user without cap_net_bind_service

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1196904

            Bug ID: 1196904
           Summary: RDMA mount fails for unprivileged user without
                    cap_net_bind_service
           Product: GlusterFS
           Version: 3.6.2
         Component: rdma
          Severity: low
          Assignee: bugs at gluster.org
          Reporter: mlipscombe at gmail.com
                CC: bugs at gluster.org, gluster-bugs at redhat.com



+++ This bug was initially created as a clone of Bug #1195907 +++

Description of problem:

When an unprivileged user (one without cap_net_bind_service capability) tries
to connect to a volume using RDMA transport (tested using libgfapi) the client
hangs trying to bind a privileged port.

This happenes because when failing to bind a privileged port because of EACCES,
rdma_bind_addr is never called on the fall-through unprivileged port.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Use libgfapi to mount a volume as an unprivileged user using rdma transport.


Actual results:
Hang trying to bind local port.


Expected results:
Successfully mount the volume.


Additional info:
This bug is to backport the patch applied to master to the stable release.

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