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-rw-r--r--apt-pkg/packagemanager.cc14
1 files changed, 12 insertions, 2 deletions
diff --git a/apt-pkg/packagemanager.cc b/apt-pkg/packagemanager.cc
index 9175cc3ad..2a71d878e 100644
--- a/apt-pkg/packagemanager.cc
+++ b/apt-pkg/packagemanager.cc
@@ -338,7 +338,10 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
however if there is a loop (A depends on B, B depends on A) this will not
be the case, so check for dependencies before configuring. */
bool Bad = false, Changed = false;
- do {
+ const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 100);
+ unsigned int i=0;
+ do
+ {
Changed = false;
for (DepIterator D = instVer.DependsList(); D.end() == false; )
{
@@ -461,6 +464,8 @@ bool pkgPackageManager::SmartConfigure(PkgIterator Pkg, int const Depth)
if (Bad == true && Changed == false && Debug == true)
std::clog << OutputInDepth(Depth) << "Could not satisfy " << Start << std::endl;
}
+ if (i++ > max_loops)
+ return _error->Error("Internal error: MaxLoopCount reached in SmartUnPack for %s, aborting", Pkg.FullName().c_str());
} while (Changed == true);
if (Bad) {
@@ -595,7 +600,10 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
This will be either dealt with if the package is configured as a dependency of Pkg (if and when Pkg is configured),
or by the ConfigureAll call at the end of the for loop in OrderInstall. */
bool Changed = false;
- do {
+ const unsigned int max_loops = _config->FindI("APT::pkgPackageManager::MaxLoopCount", 100);
+ unsigned int i=0;
+ do
+ {
Changed = false;
for (DepIterator D = instVer.DependsList(); D.end() == false; )
{
@@ -820,6 +828,8 @@ bool pkgPackageManager::SmartUnPack(PkgIterator Pkg, bool const Immediate, int c
}
}
}
+ if (i++ > max_loops)
+ return _error->Error("Internal error: MaxLoopCount reached in SmartConfigure for %s, aborting", Pkg.FullName().c_str());
} while (Changed == true);
// Check for reverse conflicts.