Thanks a lot to everybody.
Andreas
On Thu, Mar 29, 2001 at 12:57:39PM -0700, Daniel Woods wrote:
> > when you launch an executable in linux, the kernel identifies the format
> > (elf, aout, etc) of the executable by the first couple of bytes. it then
> > tries to load a module to handle the loading of that executable. if it
> > cant find the appropriate module, an error is logged.
> >
> > e.g.
> >
> > % dd if=/dev/zero of=/tmp/test bs=1k count=1
> > % chmod 755 /tmp/test
> > % /tmp/test
> > /tmp/test: Exec format error. Binary file not executable.
> >
> > and via syslog..
> >
> > Mar 28 11:00:23 host modprobe: modprobe: Can't locate module binfmt-0000
> >
> > IOW ... you probably tried to execute a non-executable file.
>
> Or a binary is of size 0.
> In my case, I found /sbin/ipchains was somehow overwritten. :)
>
> Thanks... Dan.
>
>
--
Andreas Grytz | http://www.linux-user.de
Stefan-George-Ring 24 | Tel: +49 (0) 89 993411-0
D-81929 München | Fax: +49 (0) 89 993411-99
