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| author | Wouter van Oortmerssen <aardappel@gmail.com> | 2020-01-27 16:52:53 -0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-01-27 16:52:53 -0800 |
| commit | c74e612ff9d95d6afd1bbfb6d9656655aa6d70ed (patch) | |
| tree | c93334a9d4f8f6dc44d5f8c5490f541f08bb9e52 | |
| parent | b0be627636428a949609e2b18daf347600105be8 (diff) | |
| download | wabt-c74e612ff9d95d6afd1bbfb6d9656655aa6d70ed.tar.gz wabt-c74e612ff9d95d6afd1bbfb6d9656655aa6d70ed.tar.bz2 wabt-c74e612ff9d95d6afd1bbfb6d9656655aa6d70ed.zip | |
wasm-decompile: Fix access of undefined symbols. (#1319)
| -rw-r--r-- | src/binary-reader-ir.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/binary-reader-ir.cc b/src/binary-reader-ir.cc index 9f16a380..9ebd1252 100644 --- a/src/binary-reader-ir.cc +++ b/src/binary-reader-ir.cc @@ -1255,6 +1255,10 @@ Result BinaryReaderIR::OnDataSymbol(Index index, uint32_t flags, if (name.empty()) { return Result::Ok; } + if (flags & WABT_SYMBOL_FLAG_UNDEFINED) { + // Refers to data in another file, `segment` not valid. + return Result::Ok; + } if (offset) { // If it is pointing into the data segment, then it's not really naming // the whole segment. |