[all-commits] [llvm/llvm-project] 811b17: [analyzer] Add InvalidPtrChecker

[Zuka Tsinadze via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 811b1736d91b301f59fbaa148ff55c32f90a3947
      https://github.com/llvm/llvm-project/commit/811b1736d91b301f59fbaa148ff55c32f90a3947
  Author: Zurab Tsinadze <zurab.tsinadze at ericsson.com>
  Date:   2021-10-04 (Mon, 04 Oct 2021)

  Changed paths:
    M clang/docs/analyzer/checkers.rst
    M clang/include/clang/StaticAnalyzer/Checkers/Checkers.td
    M clang/lib/StaticAnalyzer/Checkers/CMakeLists.txt
    A clang/lib/StaticAnalyzer/Checkers/cert/InvalidPtrChecker.cpp
    A clang/test/Analysis/cert/env31-c.c
    A clang/test/Analysis/cert/env34-c-cert-examples.c
    A clang/test/Analysis/cert/env34-c.c

  Log Message:
  -----------
  [analyzer] Add InvalidPtrChecker

This patch introduces a new checker: `alpha.security.cert.env.InvalidPtr`

Checker finds usage of invalidated pointers related to environment.

Based on the following SEI CERT Rules:
ENV34-C: https://wiki.sei.cmu.edu/confluence/x/8tYxBQ
ENV31-C: https://wiki.sei.cmu.edu/confluence/x/5NUxBQ

Reviewed By: martong

Differential Revision: https://reviews.llvm.org/D97699