mirror of https://github.com/electron/electron
39 lines
1.6 KiB
Diff
39 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Shelley Vohr <shelley.vohr@gmail.com>
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Date: Thu, 16 Nov 2023 16:48:10 +0100
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Subject: feat: optionally prevent calling V8::EnableWebAssemblyTrapHandler
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V8::EnableWebAssemblyTrapHandler can be called only once or it will
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hard crash. We need to prevent Node.js calling it in the event it has
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already been called.
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This should be upstreamed.
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diff --git a/src/node.cc b/src/node.cc
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index 012dd487e8db232d068bce358ad44b14e78d0fe9..a1062226bebd18ec84302ebdc4c4dbac352f51ae 100644
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--- a/src/node.cc
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+++ b/src/node.cc
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@@ -650,6 +650,7 @@ static void PlatformInit(ProcessInitializationFlags::Flags flags) {
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#endif
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}
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#endif // defined(_WIN32)
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+ if (!(flags & ProcessInitializationFlags::kNoEnableWasmTrapHandler))
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V8::EnableWebAssemblyTrapHandler(false);
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#endif // NODE_USE_V8_WASM_TRAP_HANDLER
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}
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diff --git a/src/node.h b/src/node.h
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index 16c3ad349e942b83764c7772178baa5057cd64f3..5ade64874ec08474f05db226cf19a043fa26592e 100644
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--- a/src/node.h
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+++ b/src/node.h
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@@ -275,6 +275,10 @@ enum Flags : uint32_t {
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kNoInitializeCppgc = 1 << 13,
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// Initialize the process for predictable snapshot generation.
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kGeneratePredictableSnapshot = 1 << 14,
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+ // Do not initialize the Web Assembly trap handler. This is used by
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+ // embedders to account for the case where it may already have been
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+ // initialized - calling it more than once will hard crash.
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+ kNoEnableWasmTrapHandler = 1 << 15,
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// Emulate the behavior of InitializeNodeWithArgs() when passing
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// a flags argument to the InitializeOncePerProcess() replacement
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