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Issue 778448 link

Starred by 1 user
Status: Fixed
Owner:
palmer@chromium.org
Closed: Nov 2017
Cc:
█ ajwong@chromium.org
bbudge@chromium.org
haraken@chromium.org
palmer@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux , Android , Windows , Chrome , Mac , Fuchsia
Pri: 3
Type: Feature



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Potentially better entropy for Partition Alloc's internal ASLR

Project Member Reported by palmer@chromium.org, Oct 25 2017 
In https://chromium-review.googlesource.com/c/chromium/src/+/738220/2/base/allocator/partition_allocator/address_space_randomization.h#16 I suggested that we might be able to use the new `SetRandomPageBaseSeed` function to get better or simpler randomization. Investigate this.
Project Member

Comment 1 by bugdroid1@chromium.org, Nov 2 2017 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/bbe8df35ce1a7a8d0b7338a6c7aa10df284fd721

commit bbe8df35ce1a7a8d0b7338a6c7aa10df284fd721
Author: Chris Palmer <palmer@chromium.org>
Date: Thu Nov 02 02:14:08 2017

Improve Partition Alloc's internal ASLR.

Simpler and less predictable implementation.

BUG= 778448 

Change-Id: I369920ed7388544a35fb9d49d504c449e9a7fe29
Reviewed-on: https://chromium-review.googlesource.com/749634
Commit-Queue: Chris Palmer <palmer@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Cr-Commit-Position: refs/heads/master@{#513375}
[modify] https://crrev.com/bbe8df35ce1a7a8d0b7338a6c7aa10df284fd721/base/allocator/partition_allocator/address_space_randomization.cc

Comment 2 by palmer@chromium.org, Nov 2 2017

Status: Fixed (was: Started)
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