Changeset 258752 in webkit

Timestamp:

Mar 19, 2020 10:06:59 PM (4 years ago)

Author:

ddkilzer@apple.com

Message:

SharedMemory::allocate() should initialize address
<​https://webkit.org/b/209315>
<rdar://problem/60606720>

Reviewed by Geoffrey Garen.

• Platform/cocoa/SharedMemoryCocoa.cpp:

(WebKit::SharedMemory::allocate): Initialize address to zero.

Location:

trunk/Source/WebKit

Files:

• ChangeLog (modified) (1 diff)
• Platform/cocoa/SharedMemoryCocoa.cpp (modified) (1 diff)

trunk/Source/WebKit/ChangeLog

@@ +1 @@
+2020-03-19  David Kilzer  <ddkilzer@apple.com>
+
+        SharedMemory::allocate() should initialize `address`
+        <https://webkit.org/b/209315>
+        <rdar://problem/60606720>
+
+        Reviewed by Geoffrey Garen.
+
+        * Platform/cocoa/SharedMemoryCocoa.cpp:
+        (WebKit::SharedMemory::allocate): Initialize `address` to zero.
+
 2020-03-19  Tim Horton  <timothy_horton@apple.com>
 

trunk/Source/WebKit/Platform/cocoa/SharedMemoryCocoa.cpp

@@ -118 +118 @@
     ASSERT(size);
 
-    mach_vm_address_t address;
+    mach_vm_address_t address = 0;
     kern_return_t kr = mach_vm_allocate(mach_task_self(), &address, round_page(size), VM_FLAGS_ANYWHERE);
     if (kr != KERN_SUCCESS) {