Commit c4720591 authored by J. Bruce Fields's avatar J. Bruce Fields

nfsd4: Fix MACH_CRED NULL dereference

Fixes a NULL-dereference on attempts to use MACH_CRED protection over
auth_sys.
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 7193bd17
...@@ -1264,6 +1264,8 @@ static bool svc_rqst_integrity_protected(struct svc_rqst *rqstp) ...@@ -1264,6 +1264,8 @@ static bool svc_rqst_integrity_protected(struct svc_rqst *rqstp)
struct svc_cred *cr = &rqstp->rq_cred; struct svc_cred *cr = &rqstp->rq_cred;
u32 service; u32 service;
if (!cr->cr_gss_mech)
return false;
service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor); service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor);
return service == RPC_GSS_SVC_INTEGRITY || return service == RPC_GSS_SVC_INTEGRITY ||
service == RPC_GSS_SVC_PRIVACY; service == RPC_GSS_SVC_PRIVACY;
......
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