plaso: sccm parser very slow to process unsupported sccm log files (/Windows/CCM/Logs/*.log)

Description of problem:

Multiple workers hang with 100% CPU when using SCCM parser on log files in /windows/CCM/Logs/ directory.

Command line and arguments:

/usr/bin/python /usr/bin/log2timeline.py --single-process --debug /data/out.dump /mnt/Windows/CCM/Logs

Source data:

File has been sent to joachim via email

Plaso version:

20180630

Operating system Plaso is running on:

Arch Linux docker container

Installation method:

docker latest

Debug output/tracebacks:

2018-07-13 12:20:00,898 [DEBUG] (MainProcess) PID:8 <extractors> [ParseFileEntryWithParsers] parsing file: OS:/mnt/Windows/CCM/Logs/AssetAdvisor-20180115-090826.log with parser: pls_recall
2018-07-13 12:20:00,898 [DEBUG] (MainProcess) PID:8 <extractors> pls_recall unable to parse file: OS:/mnt/Windows/CCM/Logs/AssetAdvisor-20180115-090826.log with error: Verification of first record failed.
2018-07-13 12:20:00,898 [DEBUG] (MainProcess) PID:8 <extractors> [ParseFileEntryWithParsers] parsing file: OS:/mnt/Windows/CCM/Logs/AssetAdvisor-20180115-090826.log with parser: sccm
^C^C^C