On Wed, 19 Jan 2022, Petr Vorel wrote: > Hi all, > > this is a test failure posted by Nikita Yushchenko [1]. LTP NFS test nfslock01 > looks to be failing on NFS v3: > > "not unsharing /var makes AF_UNIX socket for host's rpcbind to become available > inside ltpns. Then, at nfs3 mount time, kernel creates an instance of lockd for > ltpns, and ports for that instance leak to host's rpcbind and overwrite ports > for lockd already active for root namespace. This breaks nfs3 file locking." "not unsharing /var" .... can this be fixed by simply unsharing /var? Or is that not simple? On could easily argue that RPCBIND_SOCK_PATHNAME in the kernel should be changed to "/run/rpcbind.sock". Does this test suite unshare /run ?? BTW, your email contains [1], [2], etc which suggests there are links somewhere - but there aren't. NeilBrown
