When upcalling gssproxy, cache_head.expiry_time is set as a
timeval, not seconds since boot. As such, RPC cache expiry
logic will not clean expired objects created under
auth.rpcsec.context cache.
This has proven to cause kernel memory leaks on field.
Signed-off-by: Roberto Bergantinos Corpas <rbergant@xxxxxxxxxx>
---
net/sunrpc/auth_gss/svcauth_gss.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c
index 8be2f209982b..725cf5b5ae40 100644
--- a/net/sunrpc/auth_gss/svcauth_gss.c
+++ b/net/sunrpc/auth_gss/svcauth_gss.c
@@ -1211,6 +1211,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
dprintk("RPC: No creds found!\n");
goto out;
} else {
+ struct timespec boot;
/* steal creds */
rsci.cred = ud->creds;
@@ -1231,6 +1232,9 @@ static int gss_proxy_save_rsc(struct cache_detail *cd,
&expiry, GFP_KERNEL);
if (status)
goto out;
+
+ getboottime(&boot);
+ expiry -= boot.tv_sec;
}
rsci.h.expiry_time = expiry;
--
2.21.0
