* [PATCH v2] staging: ft1000: fix kernel info leak to userland for statistics
@ 2010-10-03 17:22 Vasiliy Kulikov
0 siblings, 0 replies; only message in thread
From: Vasiliy Kulikov @ 2010-10-03 17:22 UTC (permalink / raw)
To: kernel-janitors; +Cc: Greg Kroah-Hartman, Marek Belisko, devel, linux-kernel
get_stat_data is not fully initialized before copy_to_user() call,
e.g. LedStat is not always set.
Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
---
drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
index 65087ce..b666ae6 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
@@ -623,7 +623,7 @@ static int 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);
--
1.7.0.4
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