[haiku-bugs] [Haiku] #15072: ASLR is too aggressive; fragments address space

  • From: "Haiku" <trac@xxxxxxxxxxxx>
  • To: undisclosed-recipients: ;
  • Date: Sat, 18 May 2019 17:53:17 -0000

#15072: ASLR is too aggressive; fragments address space
---------------------------+------------------------------
 Reporter:  waddlesplash   |        Owner:  nobody
     Type:  bug            |       Status:  new
 Priority:  normal         |    Milestone:  Unscheduled
Component:  System/Kernel  |      Version:  R1/Development
 Keywords:                 |   Blocked By:
 Blocking:                 |  Has a Patch:  0
 Platform:  All            |
---------------------------+------------------------------
 On 32-bit Haiku, the ASLR implementation randomizes too much, and winds up
 fragmenting the address space to the point where after 1/4 (~500MB) of it
 is used, area creation can begin failing.

 For now (hrev53143) I've disabled ASLR for malloc; this makes the system
 much more stable (and wastes less memory too, it appears.)

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Ticket URL: <https://dev.haiku-os.org/ticket/15072>
Haiku <https://dev.haiku-os.org>
The Haiku operating system.

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