Title: [264091] releases/WebKitGTK/webkit-2.28/Source/WebKit
Revision
264091
Author
[email protected]
Date
2020-07-08 03:07:59 -0700 (Wed, 08 Jul 2020)

Log Message

Merge r263899 - [WPE][GTK] Bubblewrap sandbox should not attempt to bind empty paths
https://bugs.webkit.org/show_bug.cgi?id=202880

Patch by Michael Catanzaro <[email protected]> on 2020-07-03
Reviewed by Carlos Garcia Campos.

If an empty path is set in LD_LIBRARY_PATH (e.g. /foo::/bar), we wind up passing
--ro-bind-try   --ro-bind-try to bwrap, where the second --ro-bind-try is treated as the
source path to mount, and the next flag we pass gets treated as the destination path. The
web process crashes with this confusing error:

bwrap: Can't create file at /.flatpak-info: Read-only file system

* UIProcess/Launcher/glib/BubblewrapLauncher.cpp:
(WebKit::bindIfExists):

Modified Paths

Diff

Modified: releases/WebKitGTK/webkit-2.28/Source/WebKit/ChangeLog (264090 => 264091)


--- releases/WebKitGTK/webkit-2.28/Source/WebKit/ChangeLog	2020-07-08 10:07:54 UTC (rev 264090)
+++ releases/WebKitGTK/webkit-2.28/Source/WebKit/ChangeLog	2020-07-08 10:07:59 UTC (rev 264091)
@@ -1,3 +1,20 @@
+2020-07-03  Michael Catanzaro  <[email protected]>
+
+        [WPE][GTK] Bubblewrap sandbox should not attempt to bind empty paths
+        https://bugs.webkit.org/show_bug.cgi?id=202880
+
+        Reviewed by Carlos Garcia Campos.
+
+        If an empty path is set in LD_LIBRARY_PATH (e.g. /foo::/bar), we wind up passing
+        --ro-bind-try   --ro-bind-try to bwrap, where the second --ro-bind-try is treated as the
+        source path to mount, and the next flag we pass gets treated as the destination path. The
+        web process crashes with this confusing error:
+
+        bwrap: Can't create file at /.flatpak-info: Read-only file system
+
+        * UIProcess/Launcher/glib/BubblewrapLauncher.cpp:
+        (WebKit::bindIfExists):
+
 2020-05-28  Lauro Moura  <[email protected]>
 
         [GTK][WPE] Buildfix after r262242

Modified: releases/WebKitGTK/webkit-2.28/Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp (264090 => 264091)


--- releases/WebKitGTK/webkit-2.28/Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp	2020-07-08 10:07:54 UTC (rev 264090)
+++ releases/WebKitGTK/webkit-2.28/Source/WebKit/UIProcess/Launcher/glib/BubblewrapLauncher.cpp	2020-07-08 10:07:59 UTC (rev 264091)
@@ -276,7 +276,7 @@
 
 static void bindIfExists(Vector<CString>& args, const char* path, BindFlags bindFlags = BindFlags::ReadOnly)
 {
-    if (!path)
+    if (!path || path[0] == '\0')
         return;
 
     const char* bindType;
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