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-rw-r--r--fs/nfsd/nfs4proc.c6
-rw-r--r--fs/nfsd/vfs.c11
2 files changed, 15 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index e0c15f879d89..9d7e1edf0cca 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -605,8 +605,12 @@ nfsd4_create(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
fh_init(&resfh, NFS4_FHSIZE);
+ /*
+ * We just check that parent is accessible here, nfsd_* do their
+ * own access permission checks
+ */
status = fh_verify(rqstp, &cstate->current_fh, S_IFDIR,
- NFSD_MAY_CREATE);
+ NFSD_MAY_EXEC);
if (status)
return status;
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 6fbd81ecb410..fda4f86161f8 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1161,7 +1161,11 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
if (isdotent(fname, flen))
goto out;
- err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_CREATE);
+ /*
+ * Even though it is a create, first let's see if we are even allowed
+ * to peek inside the parent
+ */
+ err = fh_verify(rqstp, fhp, S_IFDIR, NFSD_MAY_EXEC);
if (err)
goto out;
@@ -1211,6 +1215,11 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
goto out;
}
+ /* Now let's see if we actually have permissions to create */
+ err = nfsd_permission(rqstp, fhp->fh_export, dentry, NFSD_MAY_CREATE);
+ if (err)
+ goto out;
+
if (!(iap->ia_valid & ATTR_MODE))
iap->ia_mode = 0;
iap->ia_mode = (iap->ia_mode & S_IALLUGO) | type;