Solomon Boulos has uploaded this change for review. ( https://review.gerrithub.io/c/ffilz/nfs-ganesha/+/502353 ) Change subject: PROXY_V3: work around bindresvport threadsafety. ...................................................................... PROXY_V3: work around bindresvport threadsafety. To get a privileged port, the V3 proxy's rpc code asks bindresvport_sa to hand us one. Modern versions of glibc (since 2.17) are thread-safe, but many existing implementations (including libntirpc) just use a local static variable for the "choose a port". The V4 proxy calls the related rresvport_af but is holding a lock, so it's at least single threaded amongst itself. The race here was causing the client port to sometimes be an unprivileged port, so knfsd was correctly returning a permission error. Change-Id: I5a9f60451cf9154130a6f3fc21979cbe6e6d2049 Fixes: #580 Signed-off-by: Solomon Boulos <boulos(a)google.com&gt; --- M src/FSAL/FSAL_PROXY_V3/rpc.c 1 file changed, 30 insertions(+), 1 deletion(-) git pull ssh://review.gerrithub.io:29418/ffilz/nfs-ganesha refs/changes/53/502353/1 -- To view, visit https://review.gerrithub.io/c/ffilz/nfs-ganesha/+/502353 To unsubscribe, or for help writing mail filters, visit https://review.gerrithub.io/settings Gerrit-Project: ffilz/nfs-ganesha Gerrit-Branch: next Gerrit-Change-Id: I5a9f60451cf9154130a6f3fc21979cbe6e6d2049 Gerrit-Change-Number: 502353 Gerrit-PatchSet: 1 Gerrit-Owner: Solomon Boulos <boulos(a)google.com&gt; Gerrit-MessageType: newchange