Enumerating ZipArchive.Entries collection throws NullReferenceException #431
Description
The following program throws NullReferenceException (assuming that the args[0] contains the path to the attached archive):
using System.Linq;
using SharpCompress.Archives.Zip;
namespace SharpCompress.Run
{
public class Program
{
public static void Main(string[] args)
{
using (var zip = ZipArchive.Open(args[0]))
{
zip.Entries.ToList();
}
}
}
}The stack trace looks like this:
An unhandled exception of type 'System.NullReferenceException' occurred in SharpCompress.dll: 'Object reference not set to an instance of an object.'
at SharpCompress.Common.Zip.ZipHeaderFactory.ReadHeader(UInt32 headerBytes, BinaryReader reader, Boolean zip64)
at SharpCompress.Common.Zip.SeekableZipHeaderFactory.<ReadSeekableHeader>d__3.MoveNext()
at SharpCompress.Archives.Zip.ZipArchive.<LoadEntries>d__16.MoveNext()
at SharpCompress.LazyReadOnlyCollection`1.LazyLoader.MoveNext()
at SharpCompress.Utility.ForEach[T](IEnumerable`1 items, Action`1 action)
at SharpCompress.LazyReadOnlyCollection`1.EnsureFullyLoaded()
at SharpCompress.LazyReadOnlyCollection`1.get_Count()
at System.Collections.Generic.List`1..ctor(IEnumerable`1 collection)
at System.Linq.Enumerable.ToList[TSource](IEnumerable`1 source)
at SharpCompress.Run.Program.Main(String[] args) in
Found via SharpFuzz.