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Fix excessive backtracking in regex engine by introducing backtrackig limit #311

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Fix excessive backtracking in regex engine by introducing backtrackig limit #311

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Commits on Jul 23, 2024

  1. Avoid excessive backtracking in regex engine during fuzzing 

    The regex engine is prone to excessive backtracking, leading to
timeouts, especially while fuzzing.
This commit introduces a backtracking counter and a limit of 1000
backtracking steps. When this limit is exceeded during fuzzing, the
regex engine aborts to prevent excessive backtracking. For this, the
FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION macro is used, as per
suggested by the documentation of libFuzzer.
    @renatahodovan
    renatahodovan committed Jul 23, 2024
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