[Webkit-unassigned] [Bug 66113] New: [CFNetwork] willCacheResponse() leaks CFCachedURLResponseRef if delegate changes CacheStoragePolicy

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=66113

           Summary: [CFNetwork] willCacheResponse() leaks
                    CFCachedURLResponseRef if delegate changes
                    CacheStoragePolicy
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ddkilzer at webkit.org
                CC: aroben at apple.com, jberlin at webkit.org,
                    psolanki at apple.com


* SUMMARY
If the delegate callback changes the CacheStoragePolicy in willCacheResponse() in ResourceHandleCFNet.cpp, the cachedResponse object is returned as +2 retained.  The contract for this method is to return a +1 retained object.

This regressed in ToT WebKit r23462.  <http://trac.webkit.org/changeset/23462>

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