Comment 0 for bug 1066445

Starting today, most apt operations started crashing to the extent that I can't run ubuntu-bug apt either.

gdb apt-get upgrade gives:

#0 0x00007ffff7b4dd20 in pkgCacheGenerator::ListParser::NewProvides(pkgCache::VerIterator&, std::string const&, std::string const&, std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#1 0x00007ffff7b864d1 in debListParser::NewProvidesAllArch(pkgCache::VerIterator&, std::string const&, std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#2 0x00007ffff7b883e3 in debListParser::ParseProvides(pkgCache::VerIterator&)
    () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#3 0x00007ffff7b8902c in debListParser::NewVersion(pkgCache::VerIterator&) ()
   from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#4 0x00007ffff7b4c458 in pkgCacheGenerator::MergeListVersion(pkgCacheGenerator::ListParser&, pkgCache::PkgIterator&, std::string const&, pkgCache::VerIterator*&) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#5 0x00007ffff7b4d6a3 in pkgCacheGenerator::MergeList(pkgCacheGenerator::ListParser&, pkgCache::VerIterator*) ()
   from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#6 0x00007ffff7ba173a in debPackagesIndex::Merge(pkgCacheGenerator&, OpProgress*) const () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#7 0x00007ffff7b46632 in ?? ()
   from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#8 0x00007ffff7b49409 in pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#9 0x00007ffff7b400c1 in pkgCacheFile::BuildCaches(OpProgress*, bool) ()
   from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#10 0x00007ffff7b4045c in pkgCacheFile::Open(OpProgress*, bool) ()
   from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#11 0x000000000042113c in ?? ()
#12 0x00000000004160a3 in ?? ()
#13 0x00007ffff7afa562 in CommandLine::DispatchArg(CommandLine::Dispatch*, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.12
#14 0x000000000040a2ac in ?? ()
#15 0x00007ffff720276d in __libc_start_main (main=0x40a070, argc=2,
    ubp_av=0x7fffffffe328, init=<optimized out>, fini=<optimized out>,
    rtld_fini=<optimized out>, stack_end=0x7fffffffe318) at libc-start.c:226
#16 0x000000000040a591 in ?? ()
#17 0x00007fffffffe318 in ?? ()
#18 0x000000000000001c in ?? ()
#19 0x0000000000000002 in ?? ()
#20 0x00007fffffffe60c in ?? ()
#21 0x00007fffffffe61d in ?? ()
#22 0x0000000000000000 in ?? ()