3.0-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit 2a0ebf80aa95cc758d4725f74a7016e992606a39 upstream.
The value of "offd" comes off the instance->rcv_buf[] and we used it as
the offset into an array. The problem is that we check the upper bound
but not for negative values.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/atm/cxacru.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -686,7 +686,8 @@ static int cxacru_cm_get_array(struct cx
{
int ret, len;
__le32 *buf;
- int offb, offd;
+ int offb;
+ unsigned int offd;
const int stride = CMD_PACKET_SIZE / (4 * 2) - 1;
int buflen = ((size - 1) / stride + 1 + size * 2) * 4;
--
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