From 751a624adbe47145d3667c4b504858ffd3e8f175 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Sat, 3 May 2014 23:23:29 +0300 Subject: [PATCH] staging: lustre: info leak in lnet_ping() On 64 bit systems there is a 4 byte hole after the last member of the struct. We should clear it to avoid disclosing stack information. Signed-off-by: Dan Carpenter Signed-off-by: Greg Kroah-Hartman --- drivers/staging/lustre/lnet/lnet/api-ni.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c index 3f1fdaa..3f878de 100644 --- a/drivers/staging/lustre/lnet/lnet/api-ni.c +++ b/drivers/staging/lustre/lnet/lnet/api-ni.c @@ -1927,6 +1927,7 @@ lnet_ping (lnet_process_id_t id, int timeout_ms, lnet_process_id_t *ids, int n_i rc = -EFAULT; /* If I SEGV... */ + memset(&tmpid, 0, sizeof(tmpid)); for (i = 0; i < n_ids; i++) { tmpid.pid = info->pi_pid; tmpid.nid = info->pi_ni[i].ns_nid; -- 2.7.4