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ba135e2f7f
* chore: bump chromium in DEPS to 144.0.7504.0
* chore: bump chromium in DEPS to 144.0.7506.0
* chore: update patches
* Revert "build: explicitly disable reclient"
This reverts commit e08c6adb08.
No longer needed after https://crrev.com/c/7099239
* 7097498: Remove MSG_ROUTING_* constants from ipc_message.h
https://chromium-review.googlesource.com/c/chromium/src/+/7097498
* 7090671: [//gpu] Remove unneeded GpuInfo methods
https://chromium-review.googlesource.com/c/chromium/src/+/7090671
* 7103701: Remove IPC::PlatformFileForTransit.
https://chromium-review.googlesource.com/c/chromium/src/+/7103701
(This should have been removed with https://github.com/electron/electron/pull/17406).
* chore: update filenames.libcxx.gni
---------
Co-authored-by: electron-roller[bot] <84116207+electron-roller[bot]@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>
91 lines
4.3 KiB
Diff
91 lines
4.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jeremy Apthorp <nornagon@nornagon.net>
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Date: Wed, 28 Nov 2018 13:20:27 -0800
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Subject: support_mixed_sandbox_with_zygote.patch
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On Linux, Chromium launches all new renderer processes via a "zygote"
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process which has the sandbox pre-initialized (see
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//docs/linux_zygote.md). In order to support mixed-sandbox mode, in
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which some renderers are launched with the sandbox engaged and others
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without it, we need the option to launch non-sandboxed renderers without
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going through the zygote.
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Chromium already supports a `--no-zygote` flag, but it turns off the
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zygote completely, and thus also disables sandboxing. This patch allows
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the `--no-zygote` flag to affect renderer processes on a case-by-case
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basis, checking immediately prior to launch whether to go through the
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zygote or not based on the command-line of the to-be-launched renderer.
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This patch could conceivably be upstreamed, as it does not affect
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production Chromium (which does not use the `--no-zygote` flag).
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However, the patch would need to be reviewed by the security team, as it
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does touch a security-sensitive class.
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diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
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index 2601e4f7b4d236c53d29d81b7f1e418082b85121..4b3d822c58b0224299448dbbe6caffe7081b17b6 100644
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--- a/content/browser/renderer_host/render_process_host_impl.cc
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+++ b/content/browser/renderer_host/render_process_host_impl.cc
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@@ -1926,6 +1926,10 @@ bool RenderProcessHostImpl::Init() {
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std::unique_ptr<SandboxedProcessLauncherDelegate> sandbox_delegate =
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std::make_unique<RendererSandboxedProcessLauncherDelegateWin>(
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*cmd_line, IsPdf(), IsJitDisabled());
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+#elif BUILDFLAG(USE_ZYGOTE)
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+ bool use_zygote = !cmd_line->HasSwitch(switches::kNoZygote);
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+ std::unique_ptr<SandboxedProcessLauncherDelegate> sandbox_delegate =
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+ std::make_unique<RendererSandboxedProcessLauncherDelegate>(use_zygote);
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#else
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std::unique_ptr<SandboxedProcessLauncherDelegate> sandbox_delegate =
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std::make_unique<RendererSandboxedProcessLauncherDelegate>();
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diff --git a/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.cc b/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.cc
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index 0936beb23188f0d07cd5750f3a2e56dc560fdef2..996eab5dae4ffa6b7898cc070de8162ad2130d70 100644
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--- a/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.cc
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+++ b/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.cc
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@@ -35,6 +35,9 @@ namespace content {
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#if BUILDFLAG(USE_ZYGOTE)
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ZygoteCommunication* RendererSandboxedProcessLauncherDelegate::GetZygote() {
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+ if (!use_zygote_) {
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+ return nullptr;
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+ }
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const base::CommandLine& browser_command_line =
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*base::CommandLine::ForCurrentProcess();
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base::CommandLine::StringType renderer_prefix =
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@@ -71,6 +74,9 @@ RendererSandboxedProcessLauncherDelegateWin::
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->ShouldRestrictCoreSharingOnRenderer()) {
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// PDF renderers must be jitless.
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CHECK(!is_pdf_renderer || is_jit_disabled);
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+#if BUILDFLAG(USE_ZYGOTE)
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+ use_zygote_ = !cmd_line->HasSwitch(switches::kNoZygote);
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+#endif
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if (is_jit_disabled) {
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dynamic_code_can_be_disabled_ = true;
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return;
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diff --git a/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.h b/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.h
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index b98b23a95003c3e3dd7b2da6a48b956cdbeb5251..0597eca8efa2bea2cb800c6919b59dfb64c87083 100644
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--- a/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.h
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+++ b/content/browser/renderer_host/renderer_sandboxed_process_launcher_delegate.h
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@@ -18,6 +18,11 @@ class CONTENT_EXPORT RendererSandboxedProcessLauncherDelegate
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public:
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RendererSandboxedProcessLauncherDelegate() = default;
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+#if BUILDFLAG(USE_ZYGOTE)
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+ RendererSandboxedProcessLauncherDelegate(bool use_zygote):
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+ use_zygote_(use_zygote) {}
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+#endif
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+
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~RendererSandboxedProcessLauncherDelegate() override = default;
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#if BUILDFLAG(USE_ZYGOTE)
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@@ -30,6 +35,11 @@ class CONTENT_EXPORT RendererSandboxedProcessLauncherDelegate
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// sandbox::policy::SandboxDelegate:
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sandbox::mojom::Sandbox GetSandboxType() override;
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+
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+ private:
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+#if BUILDFLAG(USE_ZYGOTE)
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+ bool use_zygote_ = true;
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+#endif
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};
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#if BUILDFLAG(IS_WIN)
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