Messages in this thread |  | | Subject | Re: Security question: "Text file busy" overwriting executables but not shared libraries? | From | Andreas Schwab <> | Date | 04 Oct 2001 18:20:32 +0200 |
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Richard Gooch <rgooch@ras.ucalgary.ca> writes:
|> Linus Torvalds writes: |> > |> > On 4 Oct 2001, Eric W. Biederman wrote: |> > > |> > > First what user space really wants is the MAP_COPY. Which is |> > > MAP_PRIVATE with the guarantee that they don't see anyone else's changes. |> > |> > Which is a completely idiotic idea, and which is only just another |> > example of how absolutely and stunningly _stupid_ Hurd is. |> |> Indeed. If you're updated a shared library, why not *create a new |> file* and then rename it?!? That lets running programmes work fine, |> and new programmes will get the new library. Also, the following |> construct makes a lot of sense: |> ld -shared -o libfred.so *.o || mv libfred.so /usr/local/lib ^^
That || should be &&, otherwise you are doing exactly the opposite of what you want.
Andreas.
-- Andreas Schwab "And now for something Andreas.Schwab@suse.de completely different." SuSE Labs, SuSE GmbH, Schanzäckerstr. 10, D-90443 Nürnberg Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 - 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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