Attachment 341270 Details for Bug 185611 – [GTK][WPE]: Avoid using uninitialized launchOptions in getLaunchOptions

[patch] [GTK][WPE]: Avoid using uninitialized launchOptions in getLaunchOptions

GTKWPE-Avoid-using-uninitialized-launchOptions-in-.patch (text/plain), 3.51 KB, created by Thibault Saunier on 2018-05-25 04:24:35 PDT

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Creator: Thibault Saunier

Created: 2018-05-25 04:24:35 PDT

Size: 3.51 KB

patch

obsolete

>From 1ba3f21ace53e94976fd94321b04601536b0fd19 Mon Sep 17 00:00:00 2001
>From: Thibault Saunier <tsaunier@igalia.com>
>Date: Mon, 14 May 2018 10:18:02 -0400
>Subject: [PATCH xserver] [GTK][WPE]: Avoid using uninitialized launchOptions
> in getLaunchOptions
>
>Otherwise we might get segfault
>
>https://bugs.webkit.org/show_bug.cgi?id=185611
>---
> Source/WebKit/ChangeLog                         | 17 +++++++++++++++++
> Source/WebKit/UIProcess/ChildProcessProxy.cpp   |  2 ++
> .../WebKit/UIProcess/Launcher/ProcessLauncher.h |  3 ++-
> .../UIProcess/Plugins/PluginProcessProxy.cpp    |  2 +-
> 4 files changed, 22 insertions(+), 2 deletions(-)
>
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index d8bab34f1fb..39c8ee2bc61 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,20 @@
>+2018-05-14  Thibault Saunier  <tsaunier@igalia.com>
>+
>+        [GTK][WPE]: Avoid using uninitialized launchOptions in getLaunchOptions
>+        https://bugs.webkit.org/show_bug.cgi?id=185611
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Otherwise we might segfault.
>+        And make sure to initialize `LaunchOptions::processType` to a meaningful value in
>+        case.
>+
>+        * UIProcess/ChildProcessProxy.cpp:
>+        (WebKit::ChildProcessProxy::getLaunchOptions):
>+        * UIProcess/Launcher/ProcessLauncher.h:
>+        * UIProcess/Plugins/PluginProcessProxy.cpp:
>+        (WebKit::PluginProcessProxy::getLaunchOptions):
>+
> 2018-05-24  Dan Bernstein  <mitz@apple.com>
> 
>         ProcessLauncherMac.mm contains a couple of meaningless #ifndef directives
>diff --git a/Source/WebKit/UIProcess/ChildProcessProxy.cpp b/Source/WebKit/UIProcess/ChildProcessProxy.cpp
>index bdff583d3b1..4559c4b82a9 100644
>--- a/Source/WebKit/UIProcess/ChildProcessProxy.cpp
>+++ b/Source/WebKit/UIProcess/ChildProcessProxy.cpp
>@@ -75,6 +75,8 @@ void ChildProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& launchO
>     case ProcessLauncher::ProcessType::Storage:
>         varname = "STORAGE_PROCESS_CMD_PREFIX";
>         break;
>+    case ProcessLauncher::ProcessType::None:
>+        ASSERT_NOT_REACHED();
>     }
>     const char* processCmdPrefix = getenv(varname);
>     if (processCmdPrefix && *processCmdPrefix)
>diff --git a/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h b/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h
>index 3ababbcceed..b06ca3fe8b4 100644
>--- a/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h
>+++ b/Source/WebKit/UIProcess/Launcher/ProcessLauncher.h
>@@ -58,10 +58,11 @@ public:
> #endif
>         Network,
>         Storage,
>+        None,
>     };
> 
>     struct LaunchOptions {
>-        ProcessType processType;
>+        ProcessType processType = { ProcessType::None };
>         WebCore::ProcessIdentifier processIdentifier;
>         HashMap<String, String> extraInitializationData;
>         bool nonValidInjectedCodeAllowed { false };
>diff --git a/Source/WebKit/UIProcess/Plugins/PluginProcessProxy.cpp b/Source/WebKit/UIProcess/Plugins/PluginProcessProxy.cpp
>index 7a39f5b1aea..326ae2a749e 100644
>--- a/Source/WebKit/UIProcess/Plugins/PluginProcessProxy.cpp
>+++ b/Source/WebKit/UIProcess/Plugins/PluginProcessProxy.cpp
>@@ -88,8 +88,8 @@ PluginProcessProxy::~PluginProcessProxy()
> 
> void PluginProcessProxy::getLaunchOptions(ProcessLauncher::LaunchOptions& launchOptions)
> {
>-    ChildProcessProxy::getLaunchOptions(launchOptions);
>     platformGetLaunchOptions(launchOptions, m_pluginProcessAttributes);
>+    ChildProcessProxy::getLaunchOptions(launchOptions);
> }
> 
> void PluginProcessProxy::processWillShutDown(IPC::Connection& connection)
>-- 
>2.17.0

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Attachments on bug 185611: 340313 | 340321 | 340429 | 340488 | 341270 | 341289 | 342812