Assert fail in jpgcoder.cc:4157

[seviezhou]

System info

Ubuntu x86_64, gcc (Ubuntu 5.5.0-12ubuntu1), lepton (latest master 3d1bc1)

Configure

CFLAGS="-g -fsanitize=address" LDFLAGS="-fsanitize=address" ./configure

Command line

./lepton -unjailed @@ /tmp/lep.jpg

Output

Assert Failed: false && "Data not properly zlib coded" at (src/lepton/jpgcoder.cc:4157)
Aborted

POC

assert-fail-jpgcoder-4157.zip

[danielrh]

This is currently by design... the compressor is designed to be run as a separate process to compress images. Assert fail results in a nonzero exit code, meaning the image is not supported... you can use the permissive flag to work around the issue