[v2,2/6] SUNRPC: Temporary sockets should inherit the cred from their parent
diff mbox series

Message ID 20190409161342.34338-3-trond.myklebust@hammerspace.com
State New
Headers show
Series
  • Make knfsd friendly to container uid/gid mapping
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Commit Message

Trond Myklebust April 9, 2019, 4:13 p.m. UTC
Temporary sockets should inherit the credential (and hence the user
namespace) from the parent listener transport.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
---
 net/sunrpc/svc_xprt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch
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diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index b76ee83d4d43..9429b28e9ba0 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -786,9 +786,10 @@  static int svc_handle_xprt(struct svc_rqst *rqstp, struct svc_xprt *xprt)
 		__module_get(xprt->xpt_class->xcl_owner);
 		svc_check_conn_limits(xprt->xpt_server);
 		newxpt = xprt->xpt_ops->xpo_accept(xprt);
-		if (newxpt)
+		if (newxpt) {
+			newxpt->xpt_cred = get_cred(xprt->xpt_cred);
 			svc_add_new_temp_xprt(serv, newxpt);
-		else
+		} else
 			module_put(xprt->xpt_class->xcl_owner);
 	} else if (svc_xprt_reserve_slot(rqstp, xprt)) {
 		/* XPT_DATA|XPT_DEFERRED case: */