[PATCH] D83049: [DebugInfo] Do not hang when parsing a malformed .debug_pub* section.

[Igor Kudrin via Phabricator via llvm-commits]

ikudrin created this revision.
ikudrin added reviewers: jhenderson, dblaikie, aprantl, MaskRay, ruiu.
ikudrin added projects: LLVM, lld, debug-info.
Herald added subscribers: arphaman, hiraditya, arichardson, emaste.
Herald added a reviewer: espindola.
ikudrin added a child revision: D83050: [DebugInfo] Add more checks to parsing .debug_pub* sections..
ikudrin added a reviewer: labath.

The parsing method did not check reading errors and might easily fall into an infinite loop on an invalid input because of that.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D83049

Files:
  lld/ELF/DWARF.h
  lld/ELF/SyntheticSections.cpp
  lld/test/ELF/gdb-index-invalid-pubnames.s
  llvm/include/llvm/DebugInfo/DWARF/DWARFDebugPubTable.h
  llvm/lib/DebugInfo/DWARF/DWARFContext.cpp
  llvm/lib/DebugInfo/DWARF/DWARFDebugPubTable.cpp
  llvm/test/DebugInfo/X86/dwarfdump-debug-pubnames-invalid.s

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