Reject invalid section IDs #6675
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Rather than treating them as custom sections. Also fix UB where invalid `Section` enum values could be used as keys in a map. Use the raw `uint8_t` section IDs as keys instead. Re-enable a disabled spec test that was failing because of this bug and UB.
kripken
approved these changes
Jun 18, 2024
src/wasm/wasm-binary.cpp
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| sectionCode != BinaryConsts::Section::Code) { | ||
| if (!seenSections.insert(BinaryConsts::Section(sectionCode)).second) { | ||
| if (sectionCode != BinaryConsts::Section::Custom) { | ||
| if (!seenSections.insert(sectionCode).second) { |
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Ifs can be combined into a single if?
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Rather than treating them as custom sections. Also fix UB where invalid
Sectionenum values could be used as keys in a map. Use the rawuint8_tsection IDs as keys instead. Re-enable a disabled spec test that was failing
because of this bug and UB.