From: Dan Carpenter <dan.carpenter@oracle.com>
To: Karsten Keil <isdn@linux-pingi.de>
Cc: "David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] isdn: icn: use strlcpy() when parsing setup options
Date: Sun, 15 Mar 2015 10:48:03 +0000 [thread overview]
Message-ID: <20150315104803.GA20691@mwanda> (raw)
If you pass an invalid string here then you probably deserve the memory
corruption, but it annoys static analysis tools so lets fix it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c
index 6a7447c..358a574 100644
--- a/drivers/isdn/icn/icn.c
+++ b/drivers/isdn/icn/icn.c
@@ -1609,7 +1609,7 @@ icn_setup(char *line)
if (ints[0] > 1)
membase = (unsigned long)ints[2];
if (str && *str) {
- strcpy(sid, str);
+ strlcpy(sid, str, sizeof(sid));
icn_id = sid;
if ((p = strchr(sid, ','))) {
*p++ = 0;
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Karsten Keil <isdn@linux-pingi.de>
Cc: "David S. Miller" <davem@davemloft.net>,
netdev@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [patch] isdn: icn: use strlcpy() when parsing setup options
Date: Sun, 15 Mar 2015 13:48:03 +0300 [thread overview]
Message-ID: <20150315104803.GA20691@mwanda> (raw)
If you pass an invalid string here then you probably deserve the memory
corruption, but it annoys static analysis tools so lets fix it.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c
index 6a7447c..358a574 100644
--- a/drivers/isdn/icn/icn.c
+++ b/drivers/isdn/icn/icn.c
@@ -1609,7 +1609,7 @@ icn_setup(char *line)
if (ints[0] > 1)
membase = (unsigned long)ints[2];
if (str && *str) {
- strcpy(sid, str);
+ strlcpy(sid, str, sizeof(sid));
icn_id = sid;
if ((p = strchr(sid, ','))) {
*p++ = 0;
next reply other threads:[~2015-03-15 10:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-15 10:48 Dan Carpenter [this message]
2015-03-15 10:48 ` [patch] isdn: icn: use strlcpy() when parsing setup options Dan Carpenter
2015-03-16 2:26 ` David Miller
2015-03-16 2:26 ` David Miller
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