Bug#774032: zoo: segmentation fault

[Jakub Wilk]

Package: zoo
Version: 2.10-27+b1
Usertags: afl

zoo crashes when unpacking the attached (slightly corrupted) archive:

$ zoo x crash.zoo
Segmentation fault


This bug was found using American fuzzy lop:
https://packages.debian.org/experimental/afl



-- System Information:
Debian Release: 8.0
 APT prefers unstable
 APT policy: (990, 'unstable'), (500, 'experimental')
Architecture: i386 (x86_64)
Foreign Architectures: amd64

Kernel: Linux 3.2.0-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=C, LC_CTYPE=pl_PL.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages zoo depends on:
ii  libc6  2.19-13

--
Jakub Wilk

Disclaimer: I don't have spare CPU cycles, so I fuzzed only till the first crash (which took only a few seconds). It's likely that extensive fuzzing would discover more interesting crashers. I'd encourage zoo maintainers to perform fuzzing with AFL on their own. :-)

crash.zoo
Description: Binary data