Loading a fuzzed signed JAR file throws an unexpected exception:

java Test
Exception in thread "main" java.lang.IllegalArgumentException: MALFORMED
        at java.util.zip.ZipCoder.toString(ZipCoder.java:58)
        at java.util.zip.ZipFile.getZipEntry(ZipFile.java:584)
        at java.util.zip.ZipFile.access$900(ZipFile.java:60)
        at java.util.zip.ZipFile$ZipEntryIterator.next(ZipFile.java:540)
        at
java.util.zip.ZipFile$ZipEntryIterator.nextElement(ZipFile.java:515)
        at
java.util.zip.ZipFile$ZipEntryIterator.nextElement(ZipFile.java:496)
        at java.util.jar.JarFile$JarEntryIterator.next(JarFile.java:275)
        at
java.util.jar.JarFile$JarEntryIterator.nextElement(JarFile.java:284)
        at
java.util.jar.JarFile$JarEntryIterator.nextElement(JarFile.java:265)
        at Test.reproduceIssue(Test.java:37)
        at Test.main(Test.java:58)