Modernize dataflow configurations #468
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aschackmull
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Dec 4, 2023
c/cert/src/rules/EXP36-C/DoNotCastPointerToMoreStrictlyAlignedPointerType.ql
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…PointerType.ql Co-authored-by: Anders Schack-Mulligen <aschackmull@users.noreply.github.com>
aschackmull
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Dec 4, 2023
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I expect the test differences to mostly be due to github/codeql#13717 |
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🏁 Beep Boop! Performance testing for this PR has been initiated. Please check back later for results. Note that the query package generation step must complete before testing will start so it might be a minute. |
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🏁 Beep Boop! Performance testing complete! See below for performance of the last 3 runs vs your PR. Times are based on predicate performance. You can find full graphs and stats in the PR that was created for this test in the release engineering repo. 🏁 Below are the slowest predicates for the last 2 releases vs this PR. |
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/test-matrix |
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🤖 Beep Boop! Matrix Testing for this PR has been initiated. Please check back later for results. |
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🤖 Beep Boop! qcc/cpp/AARCH64LE Matrix Testing for this PR won't happen because it is outside of license window! |
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🤖 Beep Boop! qcc/c/AARCH64LE Matrix Testing for this PR won't happen because it is outside of license window! |
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🤖 Beep Boop! clang/cpp/X86_64 Matrix Testing for this PR has been completed. See below for the results! |
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🤖 Beep Boop! gcc/cpp/X86_64 Matrix Testing for this PR has been completed. See below for the results! |
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🤖 Beep Boop! clang/c/X86_64 Matrix Testing for this PR has been completed. See below for the results! |
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🤖 Beep Boop! gcc/c/X86_64 Matrix Testing for this PR has been completed. See below for the results! |
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🤖 Beep Boop! Matrix Testing for this PR has been completed. If no reports were posted it means this PR does not contain things that need matrix testing! |
lcartey
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Dec 8, 2023
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Thanks for updating this!
I believe the main user-facing impact for this change is the addition of intermediate nodes in path results where those nodes were specified as additional flow edges (see github/codeql#13717). Reviewing the test changes, I think this should be an improvement overall.
No significant performance changes identified, and no observed compiler compatibility issues in the changed queries. We may still see some compiler compatibility issues based on changes to shared libraries, but these can be addressed as part of the wider group of compiler compatibility issues.
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Description
Note that this targets
main. Let me know if retargeting tonextmakes more sense.The
DataFlow::ConfigurationandTaintTracking::Configurationclasses are going to be deprecated soon. Modernize the queries that use these by switching them over to the newDataFlow::ConfigSig.This should not affect performance, but it's probably still good to test this. There are also some small changes to some of the paths in the test results. These look correct to me.
While doing this work, made the naming of the configurations more consistent. They now all end in
Config.Change request type
.ql,.qll,.qlsor unit tests)Rules with added or modified queries
Release change checklist
A change note (development_handbook.md#change-notes) is required for any pull request which modifies:
If you are only adding new rule queries, a change note is not required.
Author: Is a change note required?
🚨🚨🚨
Reviewer: Confirm that format of shared queries (not the .qll file, the
.ql file that imports it) is valid by running them within VS Code.
Reviewer: Confirm that either a change note is not required or the change note is required and has been added.
Query development review checklist
For PRs that add new queries or modify existing queries, the following checklist should be completed by both the author and reviewer:
Author
As a rule of thumb, predicates specific to the query should take no more than 1 minute, and for simple queries be under 10 seconds. If this is not the case, this should be highlighted and agreed in the code review process.
Reviewer
As a rule of thumb, predicates specific to the query should take no more than 1 minute, and for simple queries be under 10 seconds. If this is not the case, this should be highlighted and agreed in the code review process.