[all-commits] [llvm/llvm-project] 3e21f9: [BOLT] Gadget scanner: detect authentication oracles

[Anatoly Trosinenko via All-commits]

  Branch: refs/heads/users/atrosinenko/bolt-gs-auth-oracles
  Home:   https://github.com/llvm/llvm-project
  Commit: 3e21f98012fa793d62d8ed588b2551e4ef757498
      https://github.com/llvm/llvm-project/commit/3e21f98012fa793d62d8ed588b2551e4ef757498
  Author: Anatoly Trosinenko <atrosinenko at accesssoftek.com>
  Date:   2025-04-14 (Mon, 14 Apr 2025)

  Changed paths:
    M bolt/include/bolt/Core/MCPlusBuilder.h
    M bolt/include/bolt/Passes/PAuthGadgetScanner.h
    M bolt/lib/Passes/PAuthGadgetScanner.cpp
    A bolt/test/binary-analysis/AArch64/gs-pauth-authentication-oracles.s
    M bolt/test/binary-analysis/AArch64/gs-pauth-debug-output.s

  Log Message:
  -----------
  [BOLT] Gadget scanner: detect authentication oracles

Implement the detection of authentication instructions whose results can
be inspected by an attacker to know whether authentication succeeded.

As the properties of output registers of authentication instructions are
inspected, add a second set of analysis-related classes to iterate over
the instructions in reverse order.



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