Title: [260284] trunk/Source/WebKit
Revision
260284
Author
[email protected]
Date
2020-04-17 14:29:48 -0700 (Fri, 17 Apr 2020)

Log Message

[iOS] Deny iokit open access of unused class in the WebContent sandbox
https://bugs.webkit.org/show_bug.cgi?id=210669

Reviewed by Brent Fulgham.

Telemetry shows that iokit open access of an iokit class can be removed from the WebContent sandbox.

* Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb:

Modified Paths

Diff

Modified: trunk/Source/WebKit/ChangeLog (260283 => 260284)


--- trunk/Source/WebKit/ChangeLog	2020-04-17 21:20:25 UTC (rev 260283)
+++ trunk/Source/WebKit/ChangeLog	2020-04-17 21:29:48 UTC (rev 260284)
@@ -1,3 +1,14 @@
+2020-04-17  Per Arne Vollan  <[email protected]>
+
+        [iOS] Deny iokit open access of unused class in the WebContent sandbox
+        https://bugs.webkit.org/show_bug.cgi?id=210669
+
+        Reviewed by Brent Fulgham.
+
+        Telemetry shows that iokit open access of an iokit class can be removed from the WebContent sandbox.
+
+        * Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb:
+
 2020-04-17  Chris Dumez  <[email protected]>
 
         [iOS] Refactor WebKit uploads process assertion logic to minimize chances of leaking them

Modified: trunk/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb (260283 => 260284)


--- trunk/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb	2020-04-17 21:20:25 UTC (rev 260283)
+++ trunk/Source/WebKit/Resources/SandboxProfiles/ios/com.apple.WebKit.WebContent.sb	2020-04-17 21:29:48 UTC (rev 260284)
@@ -375,8 +375,7 @@
         (global-name "com.apple.CARenderServer"))
 
     ; UIKit-required IOKit nodes.
-    (allow iokit-open  (with report) (with telemetry)
-        (iokit-user-client-class "AppleJPEGDriverUserClient")
+    (deny iokit-open (with telemetry-backtrace)
         (iokit-user-client-class "IOSurfaceSendRight")
     )
 
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