[COMPRESS-531] Tar decompression fails with NullPointerException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.20
• Fix Version/s: 1.21
• Assignee: Unassigned
• Reporter: Maksim Zuev
• Created: 25/May/20 08:48
• Updated: 31/May/20 11:38
• Resolved: 31/May/20 11:38

Description

This Kotlin code fails with exception(NPE.tar is in the attachment)
Exception in thread "main" java.lang.NullPointerException
at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.applyPaxHeadersToCurrentEntry(TarArchiveInputStream.java:757)
at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.paxHeaders(TarArchiveInputStream.java:562)
at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.getNextTarEntry(TarArchiveInputStream.java:404)
at org.apache.commons.compress.archivers.tar.TarArchiveInputStream.getNextEntry(TarArchiveInputStream.java:799)
at ru.example.kotlinfuzzer.tests.MainKt.main(main.kt:20)
at ru.example.kotlinfuzzer.tests.MainKt.main(main.kt)

import org.apache.commons.compress.archivers.ArchiveStreamFactory
import java.io.File

fun main() {
    val tar = File("NPE.tar")
    ArchiveStreamFactory().createArchiveInputStream("tar", tar.inputStream()).use { ais ->
        ais.nextEntry
        ais.readAllBytes()
    }
}

IOException expected