Title: [258149] trunk/Source/WebKit
- Revision
- 258149
- Author
- ddkil...@apple.com
- Date
- 2020-03-09 12:50:32 -0700 (Mon, 09 Mar 2020)
Log Message
[IPC] WebPageProxy::dataSelectionForPasteboard should check the result of SharedMemory::map
<https://webkit.org/b/208735>
<rdar://problem/58701732>
Reviewed by Darin Adler.
* UIProcess/mac/WebPageProxyMac.mm:
(WebKit::WebPageProxy::dataSelectionForPasteboard): Add null
check.
Modified Paths
Diff
Modified: trunk/Source/WebKit/ChangeLog (258148 => 258149)
--- trunk/Source/WebKit/ChangeLog 2020-03-09 19:35:03 UTC (rev 258148)
+++ trunk/Source/WebKit/ChangeLog 2020-03-09 19:50:32 UTC (rev 258149)
@@ -1,3 +1,15 @@
+2020-03-09 David Kilzer <ddkil...@apple.com>
+
+ [IPC] WebPageProxy::dataSelectionForPasteboard should check the result of SharedMemory::map
+ <https://webkit.org/b/208735>
+ <rdar://problem/58701732>
+
+ Reviewed by Darin Adler.
+
+ * UIProcess/mac/WebPageProxyMac.mm:
+ (WebKit::WebPageProxy::dataSelectionForPasteboard): Add null
+ check.
+
2020-03-09 Antoine Quint <grao...@apple.com>
Remove the compile-time flag for Pointer Events
Modified: trunk/Source/WebKit/UIProcess/mac/WebPageProxyMac.mm (258148 => 258149)
--- trunk/Source/WebKit/UIProcess/mac/WebPageProxyMac.mm 2020-03-09 19:35:03 UTC (rev 258148)
+++ trunk/Source/WebKit/UIProcess/mac/WebPageProxyMac.mm 2020-03-09 19:50:32 UTC (rev 258149)
@@ -255,6 +255,8 @@
if (handle.isNull())
return nullptr;
RefPtr<SharedMemory> sharedMemoryBuffer = SharedMemory::map(handle, SharedMemory::Protection::ReadOnly);
+ if (!sharedMemoryBuffer)
+ return nullptr;
return SharedBuffer::create(static_cast<unsigned char *>(sharedMemoryBuffer->data()), size);
}
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