On Fri, Apr 20, 2012 at 11:26:57PM +0200, Philipp Kern wrote:
> On Fri, Apr 20, 2012 at 10:04:28PM +0200, Philipp Kern wrote:
> > On Thu, Apr 19, 2012 at 09:12:09PM +0200, Mehdi Dogguy wrote:
> > > On 19/04/12 20:21, Faidon Liambotis wrote:
> > > >Package: apt
> > > >Version: 0.9.1
> > > >Severity: serious
> > > >apt 0.9.1 currently segfaults on the zelenka (our s390/s390x porterbox)
> > > >sid_s390x chroot. Downgrading apt to 0.8.15.10 makes it work again.
> > > Does it also segfault on s390? (s390x is not a release arch yet so
> > > it doesn't warrant an RC severity, unless the maintainer thinks so).
> > It breaks many package builds on s390x and it's broken on an
> > architecture where it built before.
> >
> > And wrt s390x I can pull a Hurd: "The current progress is however encouraging."
>
> It's in the construction of the MD5SumValue. But I'm not prepared to curse at
> bzr for the remainder of the evening, about a bisect plugin that frankly
> doesn't do what it's supposed to do.
2129.4.17 kalnisc | /* Record the Description (it is not translated) */
| MD5SumValue CurMd5 = List.Description_md5();
| if (CurMd5.Value().empty() == true)
| return true;
| std::string CurLang = List.DescriptionLanguage();
|
| /* Before we add a new description we first search in the group for
| a version with a description of the same MD5 - if so we reuse this
| description group instead of creating our own for this version */
| for (pkgCache::PkgIterator P = Grp.PackageList();
| P.end() == false; P = Grp.NextPkg(P))
| {
| for (pkgCache::VerIterator V = P.VersionList();
| V.end() == false; ++V)
| {
| if (IsDuplicateDescription(V.DescriptionList(), CurMd5, "") == false)
| continue;
| Ver->DescriptionList = V->DescriptionList;
| return true;
| }
| }
When IsDuplicateDescription is called, calling md5() on the V.DescriptionList()
points to unallocated memory. Any idea why that could be?
Kind regards
Philipp Kern
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