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a484f0f746
Changelog: https://github.com/electron/electron/releases/tag/v33.2.1 Reported by: GitHub (watch releases) Security: 8b6e97a9-804e-4366-9f75-d102b22a716d
27 lines
982 B
C++
27 lines
982 B
C++
--- v8/src/execution/isolate.cc.orig 2024-12-01 11:21:29 UTC
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+++ v8/src/execution/isolate.cc
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@@ -168,6 +168,10 @@
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#include "src/execution/simulator-base.h"
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#endif
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+#if defined(V8_OS_OPENBSD)
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+#include <sys/mman.h>
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+#endif
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+
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extern "C" const uint8_t v8_Default_embedded_blob_code_[];
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extern "C" uint32_t v8_Default_embedded_blob_code_size_;
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extern "C" const uint8_t v8_Default_embedded_blob_data_[];
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@@ -4972,6 +4976,13 @@ void Isolate::InitializeDefaultEmbeddedBlob() {
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uint32_t code_size = DefaultEmbeddedBlobCodeSize();
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const uint8_t* data = DefaultEmbeddedBlobData();
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uint32_t data_size = DefaultEmbeddedBlobDataSize();
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+
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+#if defined(V8_OS_OPENBSD) && !defined(V8_TARGET_ARCH_IA32)
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+ if (code_size > 0) {
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+ mprotect(reinterpret_cast<void *>(const_cast<uint8_t *>(code)),
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+ code_size, PROT_READ | PROT_EXEC);
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+ }
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+#endif
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if (StickyEmbeddedBlobCode() != nullptr) {
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base::MutexGuard guard(current_embedded_blob_refcount_mutex_.Pointer());
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