[all-commits] [llvm/llvm-project] 4e1735: [DFSan] Add option for conditional callbacks.

[Andrew Browne via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4e173585f6cf1c55b4ed450bce1a9ae11ecbbb2b
      https://github.com/llvm/llvm-project/commit/4e173585f6cf1c55b4ed450bce1a9ae11ecbbb2b
  Author: Andrew Browne <browneee at google.com>
  Date:   2022-01-05 (Wed, 05 Jan 2022)

  Changed paths:
    M compiler-rt/include/sanitizer/dfsan_interface.h
    M compiler-rt/lib/dfsan/dfsan.cpp
    M compiler-rt/lib/dfsan/done_abilist.txt
    M compiler-rt/test/dfsan/Inputs/flags_abilist.txt
    A compiler-rt/test/dfsan/conditional_callbacks.c
    A compiler-rt/test/dfsan/conditional_callbacks_sig.c
    M llvm/lib/Transforms/Instrumentation/DataFlowSanitizer.cpp

  Log Message:
  -----------
  [DFSan] Add option for conditional callbacks.

This allows DFSan to find tainted values used to control program behavior.

Reviewed By: morehouse

Differential Revision: https://reviews.llvm.org/D116207