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@xxxxxxx> --- drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c index ab885353f668..1a193f900779 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c @@ -2226,7 +2226,8 @@ static void ieee80211_start_ibss_wq(struct work_struct *work) mutex_lock(&ieee->wx_mutex); if (ieee->current_network.ssid_len == 0) { - strcpy(ieee->current_network.ssid, IEEE80211_DEFAULT_TX_ESSID); + strscpy(ieee->current_network.ssid, IEEE80211_DEFAULT_TX_ESSID, + sizeof(ieee->current_network.ssid)); ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID); ieee->ssid_set = 1; } -- 2.25.1