Crash on ill-formed input.

[mocabe]

Summary

Following code crashes mdmath extension.

>$$

$$

Actual behavior

After allocating huge amount of memory, extension crashes with error "FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - JavaScript heap out of memory".

Steps to reproduce

Save following code as .md and open it with mdmath extension enabled.

>$$

$$

Related links

• Markdown+Math
• markdown-it-texmath

Environment

  Operating system: Win64
  VSCode version: Insider 1.25.0
  Markdown+Math version: v2.2.1

[goessner]

Yes ... I can reproduce this ... even with vscode version 1.24.

I need to have a deeper look into this and will come back to you here..

thanks

[goessner]

Implemented a bug fix with markdown-it-texmath.

But now fatal bug with ill behavior is gone with VSCode 1.26.0.

Thanks

[senioria]

It seems that this issue reappeared on VSCode 1.30.2 with Markdown+Math 2.3.7 ...

[goessner]

This is quite a pathological bug only occuring, if

1. a display formula is opened inside of a blockquote section
2. followed by an empty line outside of the blockquote section
3. closing the display formula on a line followed outside of the blockquote section

i.e

>$$

$$

This bug in markdown-it-texmath is resolved with version 0.5.4. and also resolved therefore with mdmath version 2.3.8 available in a couple of days.