[NFS-Ganesha-Devel] Re: segfault when mounting with vers=4.0

On 08/09/2018 02:17 PM, Rolf Anders wrote: > On Thu, Aug 09, 2018 at 12:42:48PM -0400, Daniel Gryniewicz wrote: >> I'm confused, since the point of the of the patch was that >> chan->auth is never NULL.  It should always have an auth (whether >> good or an error) in it.  Can you debug and see where chan->auth is >> set to NULL? > > With the patch nfs_rpc_callback_setup_gss() creates an AUTH structure > via authnone_ncreate_dummy() and sets its ah_error.re_status to > RPC_SYSTEMERROR. Afterwards nfs_rpc_create_chan_v40() checks this status > with AUTH_FAILURE and sets chan->auth to NULL: > > chan->auth = nfs_rpc_callback_setup_gss(chan, >                 &clientid->cid_credential); > [...] > if (AUTH_FAILURE(chan->auth)) { >     err = rpc_sperror(&chan->auth->ah_error, "failed"); > >     LogDebug(COMPONENT_NFS_CB, "%s", err); >     gsh_free(err); >     AUTH_DESTROY(chan->auth); >     chan->auth = NULL; >     return EINVAL; > } > Gotcha, thanks.  I'll look into it. Daniel