[all-commits] [llvm/llvm-project] 595cd4: [lld-macho][nfc]Add bounds on sections and subsect...

[Vy Nguyen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 595cd45a6696361c37e9b348adb6dabdc4dfbbe9
      https://github.com/llvm/llvm-project/commit/595cd45a6696361c37e9b348adb6dabdc4dfbbe9
  Author: Vy Nguyen <vyng at google.com>
  Date:   2023-09-11 (Mon, 11 Sep 2023)

  Changed paths:
    M lld/MachO/Arch/ARM64.cpp

  Log Message:
  -----------
  [lld-macho][nfc]Add bounds on sections and subsections check before attempting to dereferencing iterators.

Runnign some tests with asan built of LLD would throw errors similar to the following:

AddressSanitizer:DEADLYSIGNAL
    #0 0x55d8e6da5df7 in operator() /mnt/ssd/repo/lld/llvm-project/lld/MachO/Arch/ARM64.cpp:612
    #1 0x55d8e6daa514 in operator() /mnt/ssd/repo/lld/llvm-project/lld/MachO/Arch/ARM64.cpp:650

Differential Revision: https://reviews.llvm.org/D157027