diff options
| -rw-r--r-- | src/wasm/wasm-s-parser.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/wasm/wasm-s-parser.cpp b/src/wasm/wasm-s-parser.cpp index bff9232b8..60d424d7e 100644 --- a/src/wasm/wasm-s-parser.cpp +++ b/src/wasm/wasm-s-parser.cpp @@ -1143,7 +1143,9 @@ Expression* SExpressionWasmBuilder::makeLoad(Element& s, WasmType type) { if (!eq) throw ParseException("no = in load attribute"); eq++; if (str[0] == 'a') { - ret->align = atoi(eq); + uint64_t align = atoll(eq); + if (align > std::numeric_limits<uint32_t>::max()) throw ParseException("bad align"); + ret->align = align; } else if (str[0] == 'o') { uint64_t offset = atoll(eq); if (offset > std::numeric_limits<uint32_t>::max()) throw ParseException("bad offset"); @@ -1182,7 +1184,9 @@ Expression* SExpressionWasmBuilder::makeStore(Element& s, WasmType type) { if (!eq) throw ParseException("missing = in store attribute");; eq++; if (str[0] == 'a') { - ret->align = atoi(eq); + uint64_t align = atoll(eq); + if (align > std::numeric_limits<uint32_t>::max()) throw ParseException("bad align"); + ret->align = align; } else if (str[0] == 'o') { ret->offset = atoi(eq); } else throw ParseException("bad store attribute"); |