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Bug#535218: apt-get / aptitude segfault when Cache-Limit is too small



On Mon, Jul 20, 2009 at 03:38:06PM +0100, Steve Cotton wrote:
> package apt
> severity 535218 important
> merge 295051 535218
> thanks
> 
> > That is no solution. libapt should never ever ever ever
> > segfault.
[..] 
> That is likely to make this segfault unreproducible.  It's not a
> fix to this bug; but it seems this bug only triggers after the Dynamic
> MMap bug has already broken apt.
> (I'm guessing that the Dynamic MMap bug is creating a structure
> with null pointers, and other code isn't ready for that.)

That is pretty likely, the current bzr code contains a bunch of extra
checks that (hopefully) fixes the issue with the segfaults. Thanks to
David Kalnischkies for his work on this.

We plan to do a new upload very soon, its a ABI break, but it adds
some nice features and fixes.

Cheers,
 Michael



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