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Bug#903389: glibc/2.27-4 appears to break unrar-free/1:0.0.1+cvs20140707-4 autopktest: different Valgrind status codes



On 2018-07-09 13:00, Paul Gevers wrote:
> Source: glibc, unrar-free
> Version: glibc/2.27-4
> Version: unrar-free/1:0.0.1+cvs20140707-4
> User: debian-ci@lists.debian.org
> Usertags: breaks needs-update
> 
> Dear maintainers,
> 
> With a recent upload of glibc the autopkgtest of unrar-free started to
> fail in unstable and testing. I have copied the error below.
> 
> Currently this regression is delaying the migration of glibc to
> testing by 13 days. Could you please investigate the situation and
> determine which package needs to fix something, and assign appropriately?

From what I have investigated so far, valgrind returns many "Conditional
jump or move depends on uninitialised value" issues when libc6 is built
using binutils 2.30.90.20180705-1. When rebuilding libc6 2.27-4 with
binutils 2.30-22, the issue disappears.

I don't know yet, if it's an issue in glibc, binutils or valgrind,
however I doubt it's an issue in unrar-free.

Aurelien

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net

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