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authorLen Baker <len.baker@gmx.com>2021-07-18 13:32:07 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-27 15:21:13 +0200
commit246f920cb731950bea4501dc68ab2f8ad66e8b8d (patch)
tree91a3644fc7cafd870b0ccbbdac8ed6e3eede161d /drivers/staging/rtl8192u
parent3c6675363de5aa168c23431cf90db455c1901b6e (diff)
staging/rtl8192u: Remove all strcpy() uses in favor of strscpy()
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> Link: https://lore.kernel.org/r/20210718113207.10045-1-len.baker@gmx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8192u')
-rw-r--r--drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c3
1 files changed, 2 insertions, 1 deletions
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;
}