Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 86ee1e49 authored by Vasiliy Kulikov's avatar Vasiliy Kulikov Committed by Greg Kroah-Hartman
Browse files

staging: ft1000: fix kernel info leak to userland for statistics 



get_stat_data is not fully initialized before copy_to_user() call,
e.g. LedStat is not always set.

Signed-off-by: default avatarVasiliy Kulikov <segooon@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent b7378b9e

drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c

+1 −1
Original line number Diff line number Diff line
@@ -616,7 +616,7 @@ static long ft1000_ChIoctl (struct file *File, unsigned int Command, 
        break;

    case IOCTL_GET_DSP_STAT_CMD:

        //DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_GET_DSP_STAT called\n");



	memset(&get_stat_data, 0, sizeof(get_stat_data));

        memcpy(get_stat_data.DspVer, info->DspVer, DSPVERSZ);

        memcpy(get_stat_data.HwSerNum, info->HwSerNum, HWSERNUMSZ);

        memcpy(get_stat_data.Sku, info->Sku, SKUSZ);