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Bug #11753

loader: i386_loadaddr() should check for FB address

Added by Toomas Soome 6 months ago. Updated 6 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
bootloader
Start date:
Due date:
% Done:

100%

Estimated time:
Difficulty:
Medium
Tags:

Description

We really want to make sure we will not load modules into the FB memory.

It is entirely possible the frame buffer memory is mapped inside the memory chunk marked as SMAP_TYPE_MEMORY, and if so, the module read in can hapen into the FB memory and that will not end up well.

History

#1

Updated by Electric Monk 6 months ago

  • % Done changed from 90 to 100
  • Status changed from In Progress to Closed

git commit cb371639cab89a5fc3698505c7dd0c75bd45a5a0

commit  cb371639cab89a5fc3698505c7dd0c75bd45a5a0
Author: Toomas Soome <tsoome@me.com>
Date:   2019-10-04T06:21:51.000Z

    11753 loader: i386_loadaddr() should check for FB address
    Reviewed by: Andy Fiddaman <omnios@citrus-it.co.uk>
    Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
    Approved by: Dan McDonald <danmcd@joyent.com>

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