Re: dpkg bug related to SE Linux

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On Sat, 2008-04-05 at 13:47 +1100, Russell Coker wrote:
> http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=474339
> 
> When the file_contexts file has an invalid context then dpkg will crash, see 
> the above bug report.
> 
> dpkg is statically linked against libselinux.

Can you reproduce with a simpler caller, e.g. compile matchpathcon from
libselinux/utils statically and run it on your corrupted file_contexts
file, passing in a pathname that will match the invalid line?

I wasn't able to reproduce the bug myself.

libselinux does rely on its constructors having run before any functions
are called.  dpkg isn't built in such a way as to suppress constructor
execution, is it?  What options are passed to gcc when compiling dpkg?

-- 
Stephen Smalley
National Security Agency


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