Loading a fuzzed signed JAR file throws an unexpected exception:

java Test
Exception in thread "main" java.lang.NegativeArraySizeException: -1090511228
        at java.base/java.util.jar.JarFile.getBytes(JarFile.java:806)
        at
java.base/java.util.jar.JarFile.initializeVerifier(JarFile.java:755)
        at java.base/java.util.jar.JarFile.getInputStream(JarFile.java:840)
        at Test.reproduceIssue(Test.java:39)
        at Test.main(Test.java:58)