Re: Hi all, bug or design flaw?
From: Shu Wu
Date: Thu Jan 21 2010 - 21:00:25 EST
Hey, buddy, this is not the right place to raise a user-space
question. But as for your question, you'd better to learn what the "."
means. "#!/bin/bash" is used to indicate in shell when executed, while
to be just a comment in the latter.
2010/1/22 Stepan Chatalyan <kehcho@xxxxxxxxx>:
> Hi there,
> I'm Stepan G. Chatalyan, and i think that I discovered a bug or design
> flaw... and I don't know that it is provide from kernel...
> Let's see:
> (1) I mount /tmp with noexec,nosuid,nodev options
> /dev/hda6 on /tmp type ext3 (rw,noexec,nosuid,nodev,relatime)
> (2) I went to 'cd /tmp'`and I created a bash script, or another script
> (perl, python, etc)... and chmod +x createdfile
> script cointain:
> echo "Probe..."
> (3) I tried to execut it with "./createdfile"
> [kehcho@kehcho] [/tmp]$ ./createdfile
> -bash: ./createdfile: /bin/bash: bad interpreter: Permission denied
> (4) I tried to execute it, but pass to bash ". /tmp/createdfile"
> [kehcho@tornadowt] [/tmp]$ . /tmp/createdfile
> It is a kernel bug or I just report a another one?
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