I never heard back on this. It still looks like a very serious bug
with security implications etc.
regards,
dan carpenter
On Mon, Jun 24, 2013 at 06:46:31PM +0300, Dan Carpenter wrote:
> My static checker complains about a possible array overflow in
> __iscsi_conn_send_pdu().
>
> drivers/scsi/libiscsi.c
> 743 if (data_size) {
> 744 memcpy(task->data, data, data_size);
> 745 task->data_count = data_size;
> 746 } else
> 747 task->data_count = 0;
> 748
>
> "data_size" comes from skb->data and we haven't checked that it is less
> than ISCSI_DEF_MAX_RECV_SEG_LEN (8192).
>
> The call tree is:
> iscsi_if_recv_msg()
> iscsi_conn_send_pdu()
> __iscsi_conn_send_pdu()
>
> I'm a newbie to this code, so I'm not sure if this is a real bug or not.
>
> regards,
> dan carpenter
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