1 files changed, 10 insertions, 0 deletions

diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 2dd95ebf4935..6259a4b8579f 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -283,6 +283,16 @@ nfsd3_proc_symlink(struct svc_rqst *rqstp)
         struct nfsd3_diropres *resp = rqstp->rq_resp;
         __be32  nfserr;
 
+        if (argp->tlen == 0)
+                RETURN_STATUS(nfserr_inval);
+        if (argp->tlen > NFS3_MAXPATHLEN)
+                RETURN_STATUS(nfserr_nametoolong);
+
+        argp->tname = svc_fill_symlink_pathname(rqstp, &argp->first,
+                                                argp->tlen);
+        if (IS_ERR(argp->tname))
+                RETURN_STATUS(nfserrno(PTR_ERR(argp->tname)));
+
         dprintk("nfsd: SYMLINK(3)  %s %.*s -> %.*s\n",
                                 SVCFH_fmt(&argp->ffh),
                                 argp->flen, argp->fname,