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Merge branch 'for-3.11' of git://linux-nfs.org/~bfields/linux 

Pull nfsd fixes from Bruce Fields:
 "Some fixes for a 4.1 feature that in retrospect probably should have
  waited for 3.12....  But it appears to be working now"

* 'for-3.11' of git://linux-nfs.org/~bfields/linux:
  nfsd: Fix SP4_MACH_CRED negotiation in EXCHANGE_ID
  nfsd4: Fix MACH_CRED NULL dereference
This commit is contained in:
Linus Torvalds 2013-08-10 15:19:58 -07:00
parent 1e24f76e23 58cd57bfd9
commit 022e5d098b
3 changed files with 5 additions and 4 deletions
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2
fs/nfsd/nfs4proc.c
View File

@ -1524,7 +1524,7 @@ static inline u32 nfsd4_write_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
static inline u32 nfsd4_exchange_id_rsize(struct svc_rqst *rqstp, struct nfsd4_op *op)
{
return (op_encode_hdr_size + 2 + 1 + /* eir_clientid, eir_sequenceid */\
1 + 1 + 0 + /* eir_flags, spr_how, SP4_NONE (for now) */\
1 + 1 + 2 + /* eir_flags, spr_how, spo_must_enforce & _allow */\
2 + /*eir_server_owner.so_minor_id */\
/* eir_server_owner.so_major_id<> */\
XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 +\

2
fs/nfsd/nfs4state.c
View File

@ -1264,6 +1264,8 @@ static bool svc_rqst_integrity_protected(struct svc_rqst *rqstp)
struct svc_cred *cr = &rqstp->rq_cred;
u32 service;
if (!cr->cr_gss_mech)
return false;
service = gss_pseudoflavor_to_service(cr->cr_gss_mech, cr->cr_flavor);
return service == RPC_GSS_SVC_INTEGRITY ||
service == RPC_GSS_SVC_PRIVACY;

5
fs/nfsd/nfs4xdr.c
View File

@ -3360,7 +3360,8 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr,
8 /* eir_clientid */ +
4 /* eir_sequenceid */ +
4 /* eir_flags */ +
4 /* spr_how (SP4_NONE) */ +
4 /* spr_how */ +
8 /* spo_must_enforce, spo_must_allow */ +
8 /* so_minor_id */ +
4 /* so_major_id.len */ +
(XDR_QUADLEN(major_id_sz) * 4) +
@ -3372,8 +3373,6 @@ nfsd4_encode_exchange_id(struct nfsd4_compoundres *resp, __be32 nfserr,
WRITE32(exid->seqid);
WRITE32(exid->flags);
/* state_protect4_r. Currently only support SP4_NONE */
BUG_ON(exid->spa_how != SP4_NONE);
WRITE32(exid->spa_how);
switch (exid->spa_how) {
case SP4_NONE: