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wifi: cfg80211: use strscpy in cfg80211_wext_giwname

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strcpy() has been deprecated [1] because it performs no bounds checking
on the destination buffer, which can lead to buffer overflows.

While the current code works correctly, replace strcpy() with the safer
strscpy() to follow secure coding best practices.

[1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strcpy

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260528001049.1394078-2-thorsten.blum@linux.dev
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Thorsten Blum 2026-05-28 02:10:50 +02:00 committed by Johannes Berg
parent f1a389fcc3
commit 23add15a3f
1 changed files with 2 additions and 1 deletions
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3
net/wireless/wext-compat.c
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@ -16,6 +16,7 @@
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
#include <linux/slab.h>
#include <linux/string.h>
#include <net/iw_handler.h>
#include <net/cfg80211.h>
#include <net/cfg80211-wext.h>
@ -27,7 +28,7 @@ int cfg80211_wext_giwname(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
strcpy(wrqu->name, "IEEE 802.11");
strscpy(wrqu->name, "IEEE 802.11");
return 0;
}