-kohlrabi(root) 358 : valgrind apt-get dist-upgrade
==15370== Memcheck, a memory error detector
==15370== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==15370== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==15370== Command: apt-get dist-upgrade
==15370== 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
==15370== Conditional jump or move depends on uninitialised value(s)
==15370==    at 0x5A6C563: re_compile_fastmap_iter.isra.26 (regcomp.c:328)
==15370==    by 0x5A7B855: re_compile_fastmap (regcomp.c:280)
==15370==    by 0x5A7BF4D: regcomp (regcomp.c:509)
==15370==    by 0x4ED2755: Configuration::MatchAgainstConfig::MatchAgainstConfig(char const*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F1BCD3: pkgDepCache::GetRootSetFunc() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F1F54D: pkgDepCache::MarkAndSweep() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F1F624: pkgDepCache::ActionGroup::release() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F22119: pkgDepCache::Init(OpProgress*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4EB9FB1: pkgCacheFile::Open(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51ECD89: Open (private-cachefile.h:31)
==15370==    by 0x51ECD89: OpenForInstall (private-cachefile.h:38)
==15370==    by 0x51ECD89: UpgradeHelper(CommandLine&, int) (private-upgrade.cc:25)
==15370==    by 0x4ECDC65: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51BEDF2: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (private-cmndline.cc:511)
==15370== 
==15370== Conditional jump or move depends on uninitialised value(s)
==15370==    at 0x5A6C563: re_compile_fastmap_iter.isra.26 (regcomp.c:328)
==15370==    by 0x5A7B877: re_compile_fastmap (regcomp.c:282)
==15370==    by 0x5A7BF4D: regcomp (regcomp.c:509)
==15370==    by 0x4ED2755: Configuration::MatchAgainstConfig::MatchAgainstConfig(char const*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F1BCD3: pkgDepCache::GetRootSetFunc() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F1F54D: pkgDepCache::MarkAndSweep() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F1F624: pkgDepCache::ActionGroup::release() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F22119: pkgDepCache::Init(OpProgress*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4EB9FB1: pkgCacheFile::Open(OpProgress*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51ECD89: Open (private-cachefile.h:31)
==15370==    by 0x51ECD89: OpenForInstall (private-cachefile.h:38)
==15370==    by 0x51ECD89: UpgradeHelper(CommandLine&, int) (private-upgrade.cc:25)
==15370==    by 0x4ECDC65: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51BEDF2: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (private-cmndline.cc:511)
==15370== 
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  iproute libcommon-sense-perl libjson-perl libjson-xs-perl libtypes-serialiser-perl linux-headers-4.4.0-11 linux-headers-4.4.0-11-generic linux-headers-4.4.0-12
  linux-headers-4.4.0-12-generic linux-headers-4.4.0-6 linux-headers-4.4.0-6-generic linux-headers-4.4.0-7 linux-headers-4.4.0-7-generic linux-headers-4.4.0-8
  linux-headers-4.4.0-8-generic linux-image-4.4.0-11-generic linux-image-4.4.0-12-generic linux-image-4.4.0-6-generic linux-image-4.4.0-7-generic
  linux-image-4.4.0-8-generic linux-image-extra-4.4.0-11-generic linux-image-extra-4.4.0-12-generic linux-image-extra-4.4.0-6-generic linux-image-extra-4.4.0-7-generic
  linux-image-extra-4.4.0-8-generic maas-region-controller-min
Use 'sudo apt autoremove' to remove them.
The following NEW packages will be installed:
  maas-region-api
The following packages will be upgraded:
  console-setup console-setup-linux devscripts git git-man keyboard-configuration language-pack-en language-pack-en-base language-pack-gnome-en language-pack-gnome-en-base
  libboost-filesystem1.58.0 libboost-system1.58.0 libboost-thread1.58.0 libc-bin libc-dev-bin libc6 libc6-dev libcups2 libgusb2 liblxc1 libmirclient9 libmircommon5
  libmirprotobuf3 libmpdec2 libpam-systemd libpcre3 libpython2.7 libpython2.7-minimal libpython2.7-stdlib libpython3-stdlib libpython3.5-minimal libpython3.5-stdlib
  libsystemd0 libudev1 locales lxc lxc-common lxc-templates lxc1 maas maas-cli maas-common maas-dhcp maas-dns maas-proxy maas-rack-controller maas-region-controller mdadm
  multiarch-support python-gi python-gi-cairo python-pkg-resources python-setuptools python-simplestreams python-twisted python-twisted-bin python-twisted-conch
  python-twisted-core python-twisted-mail python-twisted-names python-twisted-news python-twisted-runner python-twisted-web python-twisted-words python2.7 python2.7-minimal
  python3 python3-django-maas python3-gi python3-lxc python3-maas-client python3-maas-provisioningserver python3-minimal python3-pkg-resources python3-setuptools
  python3-simplestreams python3-software-properties python3-twisted python3.5 python3.5-minimal software-properties-common systemd systemd-sysv ubuntu-minimal ubuntu-mono
  ubuntu-standard ucf udev virt-manager virtinst
90 upgraded, 1 newly installed, 1 to remove and 0 not upgraded.
Need to get 0 B/45.0 MB of archives.
After this operation, 3,481 kB disk space will be freed.
Do you want to continue? [Y/n] 
==15370== Invalid read of size 1
==15370==    at 0x4F1000D: debVersioningSystem::CheckDep(char const*, int, char const*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F4361A: pkgPackageManager::CheckRConflicts(pkgCache::PkgIterator, pkgCache::DepIterator, char const*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F43AF7: pkgPackageManager::SmartUnPack(pkgCache::PkgIterator, bool, int) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F46BDC: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F4424A: pkgPackageManager::SmartUnPack(pkgCache::PkgIterator, bool, int) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F49689: pkgPackageManager::OrderInstall() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F48C10: pkgPackageManager::DoInstall(APT::Progress::PackageManager*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51C93DF: InstallPackages(CacheFile&, bool, bool, bool) (private-install.cc:351)
==15370==    by 0x51ECEDD: UpgradeHelper(CommandLine&, int) (private-upgrade.cc:31)
==15370==    by 0x4ECDC65: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51BEDF2: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (private-cmndline.cc:511)
==15370==    by 0x10BB38: main (apt-get.cc:446)
==15370==  Address 0xa03a26dc is not stack'd, malloc'd or (recently) free'd
==15370== 
==15370== 
==15370== Process terminating with default action of signal 11 (SIGSEGV)
==15370==  Access not within mapped region at address 0xA03A26DC
==15370==    at 0x4F1000D: debVersioningSystem::CheckDep(char const*, int, char const*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F4361A: pkgPackageManager::CheckRConflicts(pkgCache::PkgIterator, pkgCache::DepIterator, char const*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F43AF7: pkgPackageManager::SmartUnPack(pkgCache::PkgIterator, bool, int) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F46BDC: ??? (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F4424A: pkgPackageManager::SmartUnPack(pkgCache::PkgIterator, bool, int) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F49689: pkgPackageManager::OrderInstall() (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x4F48C10: pkgPackageManager::DoInstall(APT::Progress::PackageManager*) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51C93DF: InstallPackages(CacheFile&, bool, bool, bool) (private-install.cc:351)
==15370==    by 0x51ECEDD: UpgradeHelper(CommandLine&, int) (private-upgrade.cc:31)
==15370==    by 0x4ECDC65: CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) (in /usr/lib/x86_64-linux-gnu/libapt-pkg.so.5.0.0)
==15370==    by 0x51BEDF2: DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) (private-cmndline.cc:511)
==15370==    by 0x10BB38: main (apt-get.cc:446)
==15370==  If you believe this happened as a result of a stack
==15370==  overflow in your program's main thread (unlikely but
==15370==  possible), you can try to increase the size of the
==15370==  main thread stack using the --main-stacksize= flag.
==15370==  The main thread stack size used in this run was 8388608.
==15370== 
==15370== HEAP SUMMARY:
==15370==     in use at exit: 32,809,002 bytes in 7,722 blocks
==15370==   total heap usage: 348,482 allocs, 340,760 frees, 87,133,478 bytes allocated
==15370== 
==15370== LEAK SUMMARY:
==15370==    definitely lost: 46 bytes in 2 blocks
==15370==    indirectly lost: 0 bytes in 0 blocks
==15370==      possibly lost: 0 bytes in 0 blocks
==15370==    still reachable: 32,808,956 bytes in 7,720 blocks
==15370==                       of which reachable via heuristic:
==15370==                         newarray           : 15,470,344 bytes in 3 blocks
==15370==         suppressed: 0 bytes in 0 blocks
==15370== Rerun with --leak-check=full to see details of leaked memory
==15370== 
==15370== For counts of detected and suppressed errors, rerun with: -v
==15370== Use --track-origins=yes to see where uninitialised values come from
==15370== ERROR SUMMARY: 153 errors from 3 contexts (suppressed: 0 from 0)
Segmentation fault
-kohlrabi(root) 359 :