From 9c3e15ab5f8b5864c43a08065a6bc8cf376fd138 Mon Sep 17 00:00:00 2001
From: Michael Vogt <mvo@debian.org>
Date: Wed, 16 Jul 2014 15:48:05 +0200
Subject: Do not crash for apt-get install /dev/null

Thanks to Jakub Wilk for the bugreport.

Closes: #754904
---
 apt-pkg/cacheset.cc | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'apt-pkg')

diff --git a/apt-pkg/cacheset.cc b/apt-pkg/cacheset.cc
index 346bad3aa..d95a32aff 100644
--- a/apt-pkg/cacheset.cc
+++ b/apt-pkg/cacheset.cc
@@ -450,6 +450,8 @@ bool VersionContainerInterface::FromString(VersionContainerInterface * const vci
         if(FileExists(pkg))
         {
                 PackageContainerInterface::FromString(&pkgset, Cache, pkg, helper);
+                if(pkgset.size() == 0)
+                   return false;
                 return VersionContainerInterface::FromPackage(vci, Cache, pkgset.begin(), fallback, helper);
         }
 
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