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| author | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-02-10 22:28:52 +0100 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-02-10 22:49:17 +0100 |
| commit | a699d65ec4ff82245d2c4fdfb8ed1d64776d756e (patch) | |
| tree | 68a22b3495879ee3b12816fdebf15806026619ab /net/sunrpc | |
| parent | NFS: Do not set NFS_INO_INVALID_LABEL unless server supports labeled NFS (diff) | |
| download | linux-a699d65ec4ff82245d2c4fdfb8ed1d64776d756e.tar.xz linux-a699d65ec4ff82245d2c4fdfb8ed1d64776d756e.zip | |
SUNRPC: Don't create a gss auth cache unless rpc.gssd is running
An infinite loop is caused when nfs4_establish_lease() fails
with -EACCES. This causes nfs4_handle_reclaim_lease_error()
to sleep a bit and resets the NFS4CLNT_LEASE_EXPIRED bit.
This in turn causes nfs4_state_manager() to try and
reestablished the lease, again, again, again...
The problem is a valid RPCSEC_GSS client is being created when
rpc.gssd is not running.
Link: http://lkml.kernel.org/r/1392066375-16502-1-git-send-email-steved@redhat.com
Fixes: 0ea9de0ea6a4 (sunrpc: turn warn_gssd() log message into a dprintk())
Reported-by: Steve Dickson <steved@redhat.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc')
| -rw-r--r-- | net/sunrpc/auth_gss/auth_gss.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c index 6c0513a7f992..44a61e8fda6f 100644 --- a/net/sunrpc/auth_gss/auth_gss.c +++ b/net/sunrpc/auth_gss/auth_gss.c @@ -991,6 +991,8 @@ gss_create_new(struct rpc_auth_create_args *args, struct rpc_clnt *clnt) gss_auth->service = gss_pseudoflavor_to_service(gss_auth->mech, flavor); if (gss_auth->service == 0) goto err_put_mech; + if (!gssd_running(gss_auth->net)) + goto err_put_mech; auth = &gss_auth->rpc_auth; auth->au_cslack = GSS_CRED_SLACK >> 2; auth->au_rslack = GSS_VERF_SLACK >> 2; |