llvm/test/tools/llvm-objdump
Vedant Kumar f9ce75bf18 [wasm] readSection: Avoid reading past eof (fixes oss-fuzz #3219)
A wasm file crafted with a bogus section size can trigger an ASan issue
in the DWARFObjInMemory constructor. Nip the problem in the bud when we
read the wasm section.

Found by OSS-Fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3219

Differential Revision: https://reviews.llvm.org/D38777

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316357 91177308-0d34-0410-b5e6-96231b3b80d8
2017-10-23 18:04:34 +00:00
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