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Date:      Wed, 6 Dec 1995 19:27:46 -0500 (EST)
From:      Stephen Hovey <>
To:        Barnacle Wes <>
Subject:   Re: SUID bits
Message-ID:  <>
In-Reply-To: <>

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On Wed, 6 Dec 1995, Barnacle Wes wrote:

> > I cannot get SUID to work on files in 2.1R.  In other unixes I would 
> > chmod 4755 filename.
> > 
> > I do here- I see the s - but when invoked it gives permission errors as 
> > though there were no suid bit set.
> > 
> > Is there some other step that has to be done?
> Is the file you're trying to make suid on a filesystem that is mounted
> nosuid?  (This option did not exist in older unix systems.)

not unless thats some new default - I even went into kern_exec.c and 
commented out the if statement which disables suid if the process is 
traced or mounted nosuid and it didnt help.

I note also that if you drop a program into the general path (ie 
/usr/local/bin) the user doesnt see it till they log out and back in.

Im wondering if it isnt a mmap issue.

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