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From: Dan Carpenter <dan.carpenter@oracle.com>
To: "James E.J. Bottomley" <JBottomley@parallels.com>,
	Barak Witkowski <barak@broadcom.com>
Cc: Eddie Wai <eddie.wai@broadcom.com>,
	Michael Chan <mchan@broadcom.com>,
	linux-scsi@vger.kernel.org, netdev@vger.kernel.org,
	"David S. Miller" <davem@davemloft.net>
Subject: [patch] [SCSI] bnx2i: use strlcpy() instead of memcpy() for strings
Date: Sat, 30 Jun 2012 14:49:35 +0300	[thread overview]
Message-ID: <20120630114935.GB22767@elgon.mountain> (raw)

DRV_MODULE_VERSION here is "2.7.2.2" which is only 8 chars but we copy
12 bytes from the stack so it's a small information leak.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
This was just added to linux-next yesterday, but I'm not sure which tree
it came from.

diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c
index 7729a52..b17637a 100644
--- a/drivers/scsi/bnx2i/bnx2i_init.c
+++ b/drivers/scsi/bnx2i/bnx2i_init.c
@@ -400,7 +400,7 @@ int bnx2i_get_stats(void *handle)
 	if (!stats)
 		return -ENOMEM;
 
-	memcpy(stats->version, DRV_MODULE_VERSION, sizeof(stats->version));
+	strlcpy(stats->version, DRV_MODULE_VERSION, sizeof(stats->version));
 	memcpy(stats->mac_add1 + 2, hba->cnic->mac_addr, ETH_ALEN);
 
 	stats->max_frame_size = hba->netdev->mtu;

             reply	other threads:[~2012-06-30 11:49 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-30 11:49 Dan Carpenter [this message]
2012-07-02 10:09 ` [patch] [SCSI] bnx2i: use strlcpy() instead of memcpy() for strings David Laight
2012-07-02 10:09   ` David Laight
2012-07-02 10:48   ` Dan Carpenter
2012-07-02 15:13     ` Michael Chan
2012-07-02 17:53       ` Eddie Wai
2012-07-09  6:51       ` David Miller

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