diff --git a/common.gypi b/common.gypi index 46f4f32a8dfcf8..dcb14b55050a83 100644 --- a/common.gypi +++ b/common.gypi @@ -36,7 +36,7 @@ # Reset this number to 0 on major V8 upgrades. # Increment by one for each non-official patch applied to deps/v8. - 'v8_embedder_string': '-node.24', + 'v8_embedder_string': '-node.25', ##### V8 defaults for Node.js ##### diff --git a/deps/v8/src/base/platform/platform-posix.cc b/deps/v8/src/base/platform/platform-posix.cc index 9785904aa05f80..e5aa4de160c375 100644 --- a/deps/v8/src/base/platform/platform-posix.cc +++ b/deps/v8/src/base/platform/platform-posix.cc @@ -390,6 +390,16 @@ bool OS::SetPermissions(void* address, size_t size, MemoryPermission access) { int prot = GetProtectionFromMemoryPermission(access); int ret = mprotect(address, size, prot); + + // MacOS 11.2 on Apple Silicon refuses to switch permissions from + // rwx to none. Just use madvise instead. +#if defined(V8_OS_MACOSX) + if (ret != 0 && access == OS::MemoryPermission::kNoAccess) { + ret = madvise(address, size, MADV_FREE_REUSABLE); + return ret == 0; + } +#endif + if (ret == 0 && access == OS::MemoryPermission::kNoAccess) { // This is advisory; ignore errors and continue execution. USE(DiscardSystemPages(address, size));