"cfg->drvid" comes from the user so there is a possibility they didn't NUL terminate properly. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c index 1f73d7f..487d214 100644 --- a/drivers/isdn/i4l/isdn_net.c +++ b/drivers/isdn/i4l/isdn_net.c @@ -2756,6 +2756,8 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg) char *c, *e; + if (strlen(cfg->drvid) >= sizeof(drvid)) + return -EINVAL; drvidx = -1; chidx = -1; strcpy(drvid, cfg->drvid); -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
