It looks like we wanted to print a maximum of BSSList_rid.ssidLen bytes of the ssid, but we accidentally use "%*s" (width) instead of "%.*s" (precision) so if the ssid doesn't have a NUL terminator this could lead to an overflow. Fixes: e174961ca1a0 ("net: convert print_mac to %pM") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> --- Static analsysis. Not tested. drivers/net/wireless/cisco/airo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c index 04dd7a936593..5512c7f73fce 100644 --- a/drivers/net/wireless/cisco/airo.c +++ b/drivers/net/wireless/cisco/airo.c @@ -5462,7 +5462,7 @@ static int proc_BSSList_open( struct inode *inode, struct file *file ) { we have to add a spin lock... */ rc = readBSSListRid(ai, doLoseSync, &BSSList_rid); while(rc == 0 && BSSList_rid.index != cpu_to_le16(0xffff)) { - ptr += sprintf(ptr, "%pM %*s rssi = %d", + ptr += sprintf(ptr, "%pM %.*s rssi = %d", BSSList_rid.bssid, (int)BSSList_rid.ssidLen, BSSList_rid.ssid, -- 2.11.0