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-rw-r--r--fs/nfsd/auth.c4
-rw-r--r--fs/nfsd/nfssvc.c2
-rw-r--r--fs/nfsd/vfs.c3
3 files changed, 9 insertions, 0 deletions
diff --git a/fs/nfsd/auth.c b/fs/nfsd/auth.c
index 5573508f707..36fcabbf518 100644
--- a/fs/nfsd/auth.c
+++ b/fs/nfsd/auth.c
@@ -34,6 +34,8 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
int flags = nfsexp_flags(rqstp, exp);
int ret;
+ validate_process_creds();
+
/* discard any old override before preparing the new set */
revert_creds(get_cred(current->real_cred));
new = prepare_creds();
@@ -86,8 +88,10 @@ int nfsd_setuser(struct svc_rqst *rqstp, struct svc_export *exp)
else
new->cap_effective = cap_raise_nfsd_set(new->cap_effective,
new->cap_permitted);
+ validate_process_creds();
put_cred(override_creds(new));
put_cred(new);
+ validate_process_creds();
return 0;
oom:
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 492c79b7800..24d58adfe5f 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -496,7 +496,9 @@ nfsd(void *vrqstp)
/* Lock the export hash tables for reading. */
exp_readlock();
+ validate_process_creds();
svc_process(rqstp);
+ validate_process_creds();
/* Unlock export hash tables */
exp_readunlock();
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 23341c1063b..8fa09bfbcba 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -684,6 +684,8 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
__be32 err;
int host_err;
+ validate_process_creds();
+
/*
* If we get here, then the client has already done an "open",
* and (hopefully) checked permission - so allow OWNER_OVERRIDE
@@ -740,6 +742,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
out_nfserr:
err = nfserrno(host_err);
out:
+ validate_process_creds();
return err;
}