Comments (3)
andersk
commented on September 3, 2024
Another quadratic case:
$ python -c 'print("\\``" * 20000)' | time md2html > /dev/null
0.81user 0.00system 0:00.85elapsed 95%CPU (0avgtext+0avgdata 2480maxresident)k
0inputs+0outputs (0major+333minor)pagefaults 0swaps
$ python -c 'print("\\``" * 40000)' | time md2html > /dev/null
3.70user 0.00system 0:03.76elapsed 98%CPU (0avgtext+0avgdata 3240maxresident)k
0inputs+0outputs (0major+551minor)pagefaults 0swaps
$ python -c 'print("\\``" * 80000)' | time md2html > /dev/null
15.23user 0.00system 0:15.35elapsed 99%CPU (0avgtext+0avgdata 5008maxresident)k
0inputs+0outputs (0major+991minor)pagefaults 0swapsfrom md4c.
andersk
commented on September 3, 2024
And another:
$ python -c 'print("[ (](" * 20000)' | time md2html > /dev/null
0.75user 0.00system 0:00.76elapsed 97%CPU (0avgtext+0avgdata 3440maxresident)k
0inputs+0outputs (0major+550minor)pagefaults 0swaps
$ python -c 'print("[ (](" * 40000)' | time md2html > /dev/null
2.96user 0.00system 0:03.00elapsed 98%CPU (0avgtext+0avgdata 4956maxresident)k
0inputs+0outputs (0major+989minor)pagefaults 0swaps
$ python -c 'print("[ (](" * 80000)' | time md2html > /dev/null
12.22user 0.00system 0:12.28elapsed 99%CPU (0avgtext+0avgdata 8568maxresident)k
0inputs+0outputs (0major+1867minor)pagefaults 0swapsfrom md4c.
mity
commented on September 3, 2024
Ok. Thanks for reporting them.
I'll open new bugs for each of them and close this, as they are likely not caused by a single bug, so we can track them separately.
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Related Issues (20)
- permissive url ending with slash not recognized
- code spans differ - cmark vs md2html (reprise)
- md2html not outputing <meta charset="UTF-8"> HOT 5
- "shadowed" variables warning HOT 2
- Pathological input
- pathologic input: O(n^2) with link ref. defs HOT 1
- Adding an HTML to Markdown parser/converter (html2md) HOT 5
- Improve strikethrough around double quotes HOT 1
- Strikethrough with punctuation special case HOT 2
- compatibility: initial tab replaced by four spaces HOT 2
- TAB in heading HOT 1
- spurious hard break after html tag HOT 1
- Some character sequences break URL detection HOT 1
- Feature request: option to output `$` or `\(` instead of `<x-equation>` in html output
- feature idea: special attributes from PHP Markdown Extra
- [question] Parser and try find custom link
- parse markdown crashed
- Table support differences vs. `cmark-gfm`
- OSS-Fuzz issue 71157
- OSS-Fuzz issue 71174
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