lkml.org 
[lkml]   [2014]   [Jan]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch] staging: vt6655: check too restrictive (off by one)
key_len == MAX_KEY_LEN is valid but we return an error.

Introduced-by: 6b7200fe0a59 ('Staging: vt6655: memory corruption in check in wpa_set_wpadev()')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c
index ee83704e4401..d43efb85f4d3 100644
--- a/drivers/staging/vt6655/wpactl.c
+++ b/drivers/staging/vt6655/wpactl.c
@@ -202,8 +202,8 @@ int wpa_set_keys(PSDevice pDevice, void *ctx, bool fcpfkernel)
int uu, ii;

if (param->u.wpa_key.alg_name > WPA_ALG_CCMP ||
- param->u.wpa_key.key_len >= MAX_KEY_LEN ||
- param->u.wpa_key.seq_len >= MAX_KEY_LEN)
+ param->u.wpa_key.key_len > MAX_KEY_LEN ||
+ param->u.wpa_key.seq_len > MAX_KEY_LEN)
return -EINVAL;

DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name);

\
 
 \ /
  Last update: 2014-01-03 22:21    [W:0.032 / U:0.364 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site