[PATCH] D91787: [llvm-readobj] - Don't crash when relocation table size is past the EOF.

[George Rimar via Phabricator via llvm-commits]

grimar created this revision.
grimar added reviewers: jhenderson, MaskRay.
Herald added subscribers: rupprecht, emaste.
Herald added a reviewer: espindola.
Herald added a project: LLVM.
grimar requested review of this revision.

It is possible to trigger reading past the EOF by breaking fields like
DT_PLTRELSZ, DT_RELSZ or DT_RELASZ

This patch adds a validation in `DynRegionInfo` helper class.


https://reviews.llvm.org/D91787

Files:
  llvm/test/tools/llvm-readobj/ELF/broken-dynamic-reloc.test
  llvm/tools/llvm-readobj/ELFDumper.cpp

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