lkml.org 
[lkml]   [2021]   [Jul]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] staging/rtl8712: Remove all strcpy() uses in favor of strscpy()
Date
strcpy() performs no bounds checking on the destination buffer. This
could result in linear overflows beyond the end of the buffer, leading
to all kinds of misbehaviors. The safe replacement is strscpy().

Signed-off-by: Len Baker <len.baker@gmx.com>
---
drivers/staging/rtl8712/os_intfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index 2214aca09730..9502f6aa5306 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -203,7 +203,7 @@ struct net_device *r8712_init_netdev(void)
if (!pnetdev)
return NULL;
if (dev_alloc_name(pnetdev, ifname) < 0) {
- strcpy(ifname, "wlan%d");
+ strscpy(ifname, "wlan%d", sizeof(ifname));
dev_alloc_name(pnetdev, ifname);
}
padapter = netdev_priv(pnetdev);
--
2.25.1
\
 
 \ /
  Last update: 2021-07-17 17:52    [W:0.073 / U:0.308 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site