Commit 8b7a13c3 authored by Larry Finger's avatar Larry Finger Committed by Greg Kroah-Hartman

staging: r8712u: Fix possible buffer overrun

In routine r8712_report_sec_ie(), the code could set the length
of the buffer to 256; however, that value is one larger than the
corresponding memory allocation.
Signed-off-by: default avatarLarry Finger <Larry.Finger@lwfinger.net>
Reported-by: default avatarDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0df1a84e
......@@ -156,7 +156,7 @@ void r8712_report_sec_ie(struct _adapter *adapter, u8 authmode, u8 *sec_ie)
p = buff;
p += sprintf(p, "ASSOCINFO(ReqIEs=");
len = sec_ie[1] + 2;
len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX;
len = (len < IW_CUSTOM_MAX) ? len : IW_CUSTOM_MAX - 1;
for (i = 0; i < len; i++)
p += sprintf(p, "%02x", sec_ie[i]);
p += sprintf(p, ")");
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment