3.5.7.2 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <[email protected]>

[Not needed in 3.8 or newer as this driver is removed there. - gregkh]

We get this from user space and nothing has been done to ensure that
these strings are NUL terminated.

Reported-by: Chen Gang <[email protected]>
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Herton Ronaldo Krzesinski <[email protected]>
---
 drivers/staging/telephony/ixj.c |   24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/telephony/ixj.c b/drivers/staging/telephony/ixj.c
index fd7757a..93ff7af 100644
--- a/drivers/staging/telephony/ixj.c
+++ b/drivers/staging/telephony/ixj.c
@@ -3190,12 +3190,12 @@ static void ixj_write_cid(IXJ *j)
 
        ixj_fsk_alloc(j);
 
-       strcpy(sdmf1, j->cid_send.month);
-       strcat(sdmf1, j->cid_send.day);
-       strcat(sdmf1, j->cid_send.hour);
-       strcat(sdmf1, j->cid_send.min);
-       strcpy(sdmf2, j->cid_send.number);
-       strcpy(sdmf3, j->cid_send.name);
+       strlcpy(sdmf1, j->cid_send.month, sizeof(sdmf1));
+       strlcat(sdmf1, j->cid_send.day, sizeof(sdmf1));
+       strlcat(sdmf1, j->cid_send.hour, sizeof(sdmf1));
+       strlcat(sdmf1, j->cid_send.min, sizeof(sdmf1));
+       strlcpy(sdmf2, j->cid_send.number, sizeof(sdmf2));
+       strlcpy(sdmf3, j->cid_send.name, sizeof(sdmf3));
 
        len1 = strlen(sdmf1);
        len2 = strlen(sdmf2);
@@ -3340,12 +3340,12 @@ static void ixj_write_cidcw(IXJ *j)
                ixj_pre_cid(j);
        }
        j->flags.cidcw_ack = 0;
-       strcpy(sdmf1, j->cid_send.month);
-       strcat(sdmf1, j->cid_send.day);
-       strcat(sdmf1, j->cid_send.hour);
-       strcat(sdmf1, j->cid_send.min);
-       strcpy(sdmf2, j->cid_send.number);
-       strcpy(sdmf3, j->cid_send.name);
+       strlcpy(sdmf1, j->cid_send.month, sizeof(sdmf1));
+       strlcat(sdmf1, j->cid_send.day, sizeof(sdmf1));
+       strlcat(sdmf1, j->cid_send.hour, sizeof(sdmf1));
+       strlcat(sdmf1, j->cid_send.min, sizeof(sdmf1));
+       strlcpy(sdmf2, j->cid_send.number, sizeof(sdmf2));
+       strlcpy(sdmf3, j->cid_send.name, sizeof(sdmf3));
 
        len1 = strlen(sdmf1);
        len2 = strlen(sdmf2);
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to