From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Sat, 03 May 2014 20:23:29 +0000 Subject: [patch] staging: lustre: info leak in lnet_ping() Message-Id: <20140503202329.GE32753@mwanda> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org 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 diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c index 85b8d81..d4cacb90 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;