Re: CVS commit: src/sys/uvm

[christos%astron.com@localhost (Christos Zoulas)]

In article <Pine.NEB.4.64.1710280522570.22499%speedy.whooppee.com@localhost>,
Paul Goyette  <paul%whooppee.com@localhost> wrote:
>On Fri, 27 Oct 2017, Utkarsh Anand wrote:
>
>> Module Name:	src
>> Committed By:	utkarsh009
>> Date:		Fri Oct 27 12:01:08 UTC 2017
>>
>> Modified Files:
>> 	src/sys/uvm: uvm_mmap.c
>>
>> Log Message:
>> [syzkaller] Fix for PR #52658 as suggested by riastradh@
>>
>> The bug was found by Dmitry Vyukov (dvyukov%google.com@localhost)
>> using syzkaller and was tested by me on a VM running
>> 8.99.5
>
>Can you please PLEASE provide an actual description of the problem 
>you're fixing.

Due to incorrect error recovery mmap requests that were denied due to
PaX/MPROTECT ended up not cleaning up, which made processes stuck. I
could fix the commit message but that would break the git conversion.

This needs to be pulled up to -8.

christos