[all-commits] [llvm/llvm-project] ce4618: [ASan][windows] Recognize movzx r11d, BYTE PTR [rd...

[Mike Hommey via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ce4618a9c405bd8a9c1e096eb45e9ca83d3891f1
      https://github.com/llvm/llvm-project/commit/ce4618a9c405bd8a9c1e096eb45e9ca83d3891f1
  Author: Mike Hommey <mh at glandium.org>
  Date:   2024-10-18 (Fri, 18 Oct 2024)

  Changed paths:
    M compiler-rt/lib/interception/interception_win.cpp

  Log Message:
  -----------
  [ASan][windows] Recognize movzx r11d, BYTE PTR [rdx] in interception_win (#111638)

The instruction is present in some library in the 24H2 update for
Windows 11:

==8508==interception_win: unhandled instruction at 0x7ff83e193a40: 44 0f
b6 1a 4c 8b d2 48

This could be generalized, but getting all the ModR/M byte combinations
right is tricky. Many other classes of instructions handled in this file
could use some generalization too.



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