Continuous Memory Occupying

[UESuperGate]

Expected behavior and actual behavior.

When trying to decompress a .jp2 file to a .pgm file, opj_decompress will parse each code block. However, if a malformatted file with an extremely large amount of code blocks is received by openjpeg, it will keep parsing the blocks and finally exhaust all the memory of the OS.

Steps to reproduce the problem.

POC

It's better to set timeout in case that server gets down because of the exhaustion of memory space.

timeout 60s ./opj_decompress -i ./poc1 -o /tmp/img.pgm

At the same time, use htop to checkout memory occupied status.

Operating system

Ubuntu 20.04 with kernel 5.4.0.

openjpeg version

commit: a589155
openjp2 library v2.5.0