Messages in this thread | | | From | Herbert Xu <> | Subject | Re: rm-ing files with open file descriptors | Date | Thu, 24 Jan 2002 20:46:29 +1100 |
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Pavel Machek <pavel@suse.cz> wrote:
>> How is linking back a file into the normal namespace anymore >> a security hole as having it under /proc or keeping an fd to it >> open?
> Imagine you want to delete my file, you are root.
> Before, you could rm it, then kill all my processes.
No you can't. Your processes may be in a tight loop making new links for the file. The only safe solution is to kill the processes first, then delete the file. -- Debian GNU/Linux 2.2 is out! ( http://www.debian.org/ ) Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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