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Limit the input size of pygments fuzzers (#10013)

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Julien Voisin 2023-04-11 18:25:09 +02:00 committed by GitHub
parent 00ac1ba576
commit 3264034794
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2 changed files with 5 additions and 0 deletions
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3
projects/pygments/fuzz_guesser.py
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@ -22,6 +22,9 @@ import pygments.lexers
import pygments.util
def TestOneInput(data: bytes) -> int:
if len(data) > (2 << 18):
return
try:
lexer = pygments.lexers.guess_lexer(str(data))
except pygments.util.ClassNotFound:

2
projects/pygments/fuzz_lexers.py
View File

@ -32,6 +32,8 @@ FORMATTERS = [BBCodeFormatter(), GroffFormatter(), HtmlFormatter(),
def TestOneInput(data: bytes) -> int:
if len(data) > (2 << 18):
return
fdp = atheris.FuzzedDataProvider(data)
random_lexer = pygments.lexers.get_lexer_by_name(fdp.PickValueInList(LEXERS))
formatter = fdp.PickValueInList(FORMATTERS)