Public bug reported:

According to Debian Bug 559035 ( http://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=559035 ) latest hardy kernel amd64 version is
affected from same bug.

this can be reproduced by launching
$ for ((i = 0; i <= 100000; i++)); do exim4 -bV || break; done > /dev/null; 
echo "last: $i"

the machine isn't affected anymore by setting
$ sudo sysctl kernel/randomize_va_space=0

so the problem is process address space randomization. Here's the commit:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=80938332d8cf652f6b16e0788cf0ca136befe0b5

Please evaluate it, it's a serious bug.

--Sergio

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

- According to Debian Bug #559035 latest hardy kernel amd64 version is
+ According to Debian Bug 559035 ( http://bugs.debian.org/cgi-
+ bin/bugreport.cgi?bug=559035 ) latest hardy kernel amd64 version is
  affected from same bug.
  
- this can be reproduced by launching 
+ this can be reproduced by launching
  $ for ((i = 0; i <= 100000; i++)); do exim4 -bV || break; done > /dev/null; 
echo "last: $i"
  
  the machine isn't affected anymore by setting
  $ sudo sysctl kernel/randomize_va_space=0
  
  so the problem is process address space randomization. Here's the commit:
  
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=80938332d8cf652f6b16e0788cf0ca136befe0b5
  
  Please evaluate it, it's a serious bug.
  
  --Sergio

-- 
Random segfaults with linux-image-2.6.24-26-xen
https://bugs.launchpad.net/bugs/504164
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

-- 
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to