Bug 16048 - unzip cannot extract big zip files
Summary: unzip cannot extract big zip files
Status: NEW
Alias: None
Product: Busybox
Classification: Unclassified
Component: Other (show other bugs)
Version: 1.36.x
Hardware: All Linux
: P5 normal
Target Milestone: ---
Assignee: unassigned
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2024-04-23 12:32 UTC by diego.ml
Modified: 2024-04-23 12:32 UTC (History)
1 user (show)

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Description diego.ml 2024-04-23 12:32:16 UTC 
busybox unzip cannot extract or even list files in big zip archives.

Example file: https://testfile.org/files-5GB-zip

Steps to reproduce:
~~~
$ busybox unzip -v
BusyBox v1.36.1 (Debian 1:1.36.1-6) multi-call binary.

Usage: unzip [-lnojpqK] FILE[.zip] [FILE]... [-x FILE]... [-d DIR]

Extract FILEs from ZIP archive

        -l      List contents (with -q for short form)
        -n      Never overwrite files (default: ask)
        -o      Overwrite
        -j      Do not restore paths
        -p      Write to stdout
        -t      Test
        -q      Quiet
        -K      Do not clear SUID bit
        -x FILE Exclude FILEs
        -d DIR  Extract into DIR
$ busybox unzip -l files-5GB-zip 
Archive:  files-5GB-zip
  Length      Date    Time    Name
---------  ---------- -----   ----
unzip: short read
~~~

Official unzip and python3 -m zipfile (https://docs.python.org/3/library/zipfile.html#command-line-interface) can list and extract the same zip file.