kernel-packages team mailing list archive

[Andy Whitcroft <apw@xxxxxxxxxxxxx>]

Public bug reported:

Attempting to run 32bit binaries on arm64 triggers applications to be
Killed, as the CONFIG_DEFAULT_MMAP_MIN_ADDR used on arm64 is not valid
on armhf.  While this can be overriden via sysctl, the default should be
sane.

** Affects: linux (Ubuntu)
     Importance: Medium
     Assignee: Andy Whitcroft (apw)
         Status: Confirmed

** Affects: linux (Ubuntu Trusty)
     Importance: Medium
     Assignee: Andy Whitcroft (apw)
         Status: Confirmed

** Affects: linux (Ubuntu Utopic)
     Importance: Medium
     Assignee: Andy Whitcroft (apw)
         Status: Confirmed

** Changed in: linux (Ubuntu)
       Status: New => Confirmed

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: linux (Ubuntu)
   Importance: High => Medium

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Andy Whitcroft (apw)

** Changed in: linux (Ubuntu)
    Milestone: None => ubuntu-15.02

** Also affects: linux (Ubuntu Utopic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Trusty)
       Status: New => Confirmed

** Changed in: linux (Ubuntu Utopic)
       Status: New => Confirmed

** Changed in: linux (Ubuntu Trusty)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Utopic)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu Trusty)
     Assignee: (unassigned) => Andy Whitcroft (apw)

** Changed in: linux (Ubuntu Utopic)
     Assignee: (unassigned) => Andy Whitcroft (apw)

** Description changed:

  Attempting to run 32bit binaries on arm64 triggers applications to be
  Killed, as the CONFIG_DEFAULT_MMAP_MIN_ADDR used on arm64 is not valid
- on armhf.
+ on armhf.  While this can be overriden via sysctl, the default should be
+ sane.

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https://bugs.launchpad.net/bugs/1418140

Title:
  CONFIG_DEFAULT_MMAP_MIN_ADDR needs to match on armhf and arm64
  otherwise arm64 cannot run armhf binaries

Status in linux package in Ubuntu:
  Confirmed
Status in linux source package in Trusty:
  Confirmed
Status in linux source package in Utopic:
  Confirmed

Bug description:
  Attempting to run 32bit binaries on arm64 triggers applications to be
  Killed, as the CONFIG_DEFAULT_MMAP_MIN_ADDR used on arm64 is not valid
  on armhf.  While this can be overriden via sysctl, the default should
  be sane.

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