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CodeQL: the libraries and queries that power security researchers around the world, as well as code scanning in GitHub Advanced Security

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Override StrConst's toString to show the correct type on the AST viewer. Currently, the AST shows the type "Str", which does not exist. Fixes https://github.com/github/codeql/issues/9833.

Python

This is an updated version of some previous hackathon work on interprocedural control flow analysis, now using parameterized modules for configuration.

C++

I've setup basic CodeQL pipeline for python and I'm using poetry as dependency manager. What I found out is that if file `poerty.toml` with configuration below is present (venv is...

question

Maybe I get something wrong but I cant help myself nor find any useful hints in existing issues or documentation regarding the following case: * Taking for example a select...

question

Kotlin's implementation of defaults depends on the -Xjvm-default setting (or the `@JvmDefault` deprecated annotation, not implemented here): by default, actual interface class files don't use default methods, and any class...

Java
no-change-note-required
Kotlin

**Description of the issue** We are running into an issue for a go repo (https://github.com/Azure/ARO-RP) where the extraction has started failing very often for both codeQL v1 and v2. The...

question

AspNetCore is more flexible deciding what are controllers than AspNet - https://docs.microsoft.com/en-us/aspnet/core/mvc/controllers/actions?view=aspnetcore-3.1 The controller class class doesn't have to be derived from a specific parent, it is enough to suffix...

C#

Possible improvement to `SimpleRangeAnalysis::boolConversionLowerBound`, motivated by a recent regression in the DCA tuple sums reports for this predicate (though I think it regressed at least one more time before this)...

C++
no-change-note-required

Hello, I've created a CodeQL database of Chromium. I've used the official tutorial from Google (https://chromium.googlesource.com/chromium/src/+/main/docs/linux/build_instructions.md). When it came to building Chromium, I've swapped the command `autoninja -C out/Default chrome`...

bug
C++