diff options
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
-rw-r--r-- | fs/nfsd/nfs4xdr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index aa04a6a98bd5..93b50ba1c5e9 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -1222,7 +1222,6 @@ nfsd4_decode_write(struct nfsd4_compoundargs *argp, struct nfsd4_write *write) } write->wr_head.iov_base = p; write->wr_head.iov_len = avail; - WARN_ON(avail != (XDR_QUADLEN(avail) << 2)); write->wr_pagelist = argp->pagelist; len = XDR_QUADLEN(write->wr_buflen) << 2; @@ -3696,6 +3695,12 @@ int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp) int nfs4svc_decode_compoundargs(struct svc_rqst *rqstp, __be32 *p, struct nfsd4_compoundargs *args) { + if (rqstp->rq_arg.head[0].iov_len % 4) { + /* client is nuts */ + dprintk("%s: compound not properly padded! (peeraddr=%pISc xid=0x%x)", + __func__, svc_addr(rqstp), be32_to_cpu(rqstp->rq_xid)); + return 0; + } args->p = p; args->end = rqstp->rq_arg.head[0].iov_base + rqstp->rq_arg.head[0].iov_len; args->pagelist = rqstp->rq_arg.pages; |