src/wasm/wasm-function-name-table.cc - Issue 1967023004: [wasm] Add UTF-8 validation

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Unified Diff: src/wasm/wasm-function-name-table.cc

Issue 1967023004: [wasm] Add UTF-8 validation (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master

Patch Set: rebase on parallel compilation Created 4 years, 7 months ago

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Index: src/wasm/wasm-function-name-table.cc

diff --git a/src/wasm/wasm-function-name-table.cc b/src/wasm/wasm-function-name-table.cc

index 9abcd9b0917364101225ea04b8095fec4c6b8f28..f08270410da6c6b1fa1c2a71535c92529c9de9d2 100644

--- a/src/wasm/wasm-function-name-table.cc

+++ b/src/wasm/wasm-function-name-table.cc

@@ -60,6 +60,9 @@ Handle<Object> GetWasmFunctionNameFromTable(Handle<ByteArray> func_names_array,

: func_names_array->get_int(func_index + 2);

ScopedVector<byte> buffer(next_offset - offset);

func_names_array->copy_out(offset, buffer.start(), next_offset - offset);

+ if (!unibrow::Utf8::Validate(buffer.start(), buffer.length())) {

+ return undefined();

+ }

MaybeHandle<Object> maybe_name =

func_names_array->GetIsolate()->factory()->NewStringFromUtf8(

Vector<const char>::cast(buffer));

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