This issue started after upgrading from Hudson 1.355 to 1.380

Jobs where the copy artifact plugin used to work properly now abort with the message:
FATAL: null
java.lang.NegativeArraySizeException
at hudson.remoting.ProxyOutputStream$Chunk.<init>(ProxyOutputStream.java:175)
at hudson.remoting.ProxyOutputStream._write(ProxyOutputStream.java:123)
at hudson.remoting.ProxyOutputStream.write(ProxyOutputStream.java:103)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
at java.io.BufferedOutputStream.write(BufferedOutputStream.java:109)
at java.util.zip.DeflaterOutputStream.deflate(DeflaterOutputStream.java:161)
at java.util.zip.DeflaterOutputStream.write(DeflaterOutputStream.java:118)
at java.util.zip.GZIPOutputStream.write(GZIPOutputStream.java:72)
at java.io.BufferedOutputStream.write(BufferedOutputStream.java:105)
at org.apache.tools.tar.TarBuffer.writeBlock(TarBuffer.java:410)
at org.apache.tools.tar.TarBuffer.writeRecord(TarBuffer.java:351)
at hudson.org.apache.tools.tar.TarOutputStream.writeEOFRecord(TarOutputStream.java:356)
at hudson.org.apache.tools.tar.TarOutputStream.finish(TarOutputStream.java:137)
at hudson.org.apache.tools.tar.TarOutputStream.close(TarOutputStream.java:149)
at hudson.util.io.TarArchiver.close(TarArchiver.java:114)
at hudson.FilePath.writeToTar(FilePath.java:1545)
at hudson.FilePath.copyRecursiveTo(FilePath.java:1470)
at hudson.FilePath.copyRecursiveTo(FilePath.java:1399)
at hudson.plugins.copyartifact.CopyArtifact.perform(CopyArtifact.java:172)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:19)
at hudson.model.AbstractBuild$AbstractRunner.perform(AbstractBuild.java:601)
at hudson.model.Build$RunnerImpl.build(Build.java:174)
at hudson.model.Build$RunnerImpl.doRun(Build.java:138)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:416)
at hudson.model.Run.run(Run.java:1280)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:140)

This has made the jobs unusable!