From cc38bac3a0093b3b7928efc6ff8e9faf9e75f41d Mon Sep 17 00:00:00 2001 From: Chuck Lever Date: Mon, 10 Dec 2007 14:56:54 -0500 Subject: NFS: Ensure NFSv4 SETCLIENTID send buffer is large enough Ensure that the RPC buffer size specified for NFSv4 SETCLIENTID procedures matches what we are encoding into the buffer. See the definition of struct nfs4_setclientid {} and the encode_setclientid() function. Signed-off-by: Chuck Lever Signed-off-by: Trond Myklebust --- fs/nfs/nfs4xdr.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'fs/nfs') diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index eae46f008da..db1ed9c46ed 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -116,10 +116,12 @@ static int nfs4_stat_to_errno(int); #define decode_renew_maxsz (op_decode_hdr_maxsz) #define encode_setclientid_maxsz \ (op_encode_hdr_maxsz + \ - 4 /*server->ip_addr*/ + \ - 1 /*Netid*/ + \ - 6 /*uaddr*/ + \ - 6 + (NFS4_VERIFIER_SIZE >> 2)) + XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \ + XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \ + 1 /* sc_prog */ + \ + XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \ + XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \ + 1) /* sc_cb_ident */ #define decode_setclientid_maxsz \ (op_decode_hdr_maxsz + \ 2 + \ -- cgit v1.2.3