Your message dated Wed, 1 Nov 2006 12:27:36 +0100
with message-id <[EMAIL PROTECTED]>
and subject line [Pkg-uml-pkgs] Bug#396506: user-mode-linux: /dev/shm/ must be
not mounted noexec
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--- Begin Message ---
Package: user-mode-linux
Version: 2.6.18-1um-1
Severity: normal
UML doesn't start anymore. Following is the message I get:
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...OK
Checking advanced syscall emulation patch for ptrace...OK
Checking for tmpfs mount on /dev/shm...OK
Checking PROT_EXEC mmap in /dev/shm/...failed: Operation not permitted
/dev/shm/ must be not mounted noexec
/dev/shm/ is tmpfs and is mounted noexec
Please also follow the following thread for the particular patch which
brings this issue:
http://lkml.org/lkml/2006/4/10/255
I think the initscripts should be modified to mount /dev/shm as noexec
or atleast should go into that mode once uml gets installed.
-- System Information:
Debian Release: testing/unstable
APT prefers testing
APT policy: (990, 'testing'), (550, 'unstable'), (500, 'stable'), (250,
'experimental'), (50, 'edgy')
Architecture: i386 (i686)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-compaq-skas3-v9-pre9
Locale: LANG=en_US, LC_CTYPE=en_US (charmap=ISO-8859-1)
Versions of packages user-mode-linux depends on:
ii uml-utilities 20060323-3 User-mode Linux (utility programs)
user-mode-linux recommends no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
On Wed, Nov 01, 2006 at 10:02:20AM +0100, Stefano Melchior wrote:
> On Wed, Nov 01, 2006 at 12:37:17PM +0530, Ritesh Raj Sarraf wrote:
> > Package: user-mode-linux
> > Version: 2.6.18-1um-1
> > Severity: normal
> >
> > UML doesn't start anymore. Following is the message I get:
> >
> > Checking that ptrace can change system call numbers...OK
> > Checking syscall emulation patch for ptrace...OK
> > Checking advanced syscall emulation patch for ptrace...OK
> > Checking for tmpfs mount on /dev/shm...OK
> > Checking PROT_EXEC mmap in /dev/shm/...failed: Operation not permitted
> > /dev/shm/ must be not mounted noexec
> >
> > /dev/shm/ is tmpfs and is mounted noexec
> >
> > Please also follow the following thread for the particular patch which
> > brings this issue:
> > http://lkml.org/lkml/2006/4/10/255
> >
> > I think the initscripts should be modified to mount /dev/shm as noexec
> > or atleast should go into that mode once uml gets installed.
>
> this affects also other applications, see:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=386945
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=378280
actually is has also been resolved already in sysvinit-2.86.ds1-28. It
will hopefully enter etch soon (closing the bug then).
Thanks
--
mattia
:wq!
--- End Message ---
