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Bug 1363431: wasm: Check for maximum br_table size; r=luke

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MozReview-Commit-ID: 2Q2pWi5NSn7

--HG--
extra : rebase_source : a778197f93e3ea208e3d0bf067254e37aca6fa9f
This commit is contained in:
Benjamin Bouvier 2017-05-09 18:33:40 +02:00
parent 4ccb51bae2
commit b8329c34d6
1 changed files with 3 additions and 0 deletions
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3
js/src/wasm/WasmBinaryIterator.h
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@ -1081,6 +1081,9 @@ OpIter<Policy>::readBrTable(Uint32Vector* depths, uint32_t* defaultDepth,
if (!readVarU32(&tableLength))
return fail("unable to read br_table table length");
if (tableLength > MaxBrTableElems)
return fail("br_table too big");
if (!popWithType(ValType::I32, index))
return false;