diff options
Diffstat (limited to 'fs/nfsd/nfs3xdr.c')
| -rw-r--r-- | fs/nfsd/nfs3xdr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c index 2d116d2298f8..f917fd25858a 100644 --- a/fs/nfsd/nfs3xdr.c +++ b/fs/nfsd/nfs3xdr.c @@ -388,8 +388,11 @@ nfs3svc_decode_writeargs(struct svc_rqst *rqstp, __be32 *p, * Round the length of the data which was specified up to * the next multiple of XDR units and then compare that * against the length which was actually received. + * Note that when RPCSEC/GSS (for example) is used, the + * data buffer can be padded so dlen might be larger + * than required. It must never be smaller. */ - if (dlen != XDR_QUADLEN(len)*4) + if (dlen < XDR_QUADLEN(len)*4) return 0; if (args->count > max_blocksize) { |