[Webkit-unassigned] [Bug 165659] New: CrashTracer: com.apple.WebKit.Networking at WTF::ThreadSafeRefCounted<WebKit::NetworkCache::IOChannel>::deref

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=165659

            Bug ID: 165659
           Summary: CrashTracer: com.apple.WebKit.Networking at
                    WTF::ThreadSafeRefCounted<WebKit::NetworkCache::IOChan
                    nel>::deref
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Page Loading
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi
                CC: beidson at apple.com

Some crashes of this type have been seen:

      25 libdispatch.dylib: _dispatch_try_lock_transfer_or_wakeup
        25 libdispatch.dylib: _dispatch_io_dispose
          39 libdispatch.dylib: _dispatch_io_dispose
            40 libdispatch.dylib: _dispatch_dispose
       ==> 40 WebKit: WTF::ThreadSafeRefCounted<WebKit::NetworkCache::IOChannel>::deref() <==
              | 27 libsystem_blocks.dylib: _Block_release
              | | 27 libsystem_blocks.dylib: _Block_release
              | |   24 libdispatch.dylib: _dispatch_client_callout
              | |   | 24 libdispatch.dylib: _dispatch_continuation_pop
              | |   |   24 libdispatch.dylib: _dispatch_async_redirect_invoke
              | |   |     24 libdispatch.dylib: _dispatch_root_queue_drain
              | |   |       24 libdispatch.dylib: _dispatch_worker_thread3
              | |   |         24 libsystem_pthread.dylib: _pthread_wqthread
              | |   |           24 libsystem_pthread.dylib: 
              | |   pruning: 2 libdispatch.dylib: _dispatch_continuation_pop
              | |   pruning: 1 libdispatch.dylib: _dispatch_queue_serial_drain
              | 13 WebKit: std::__1::__function::__func<WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr<WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete<WebKit::NetworkCache::Storage::ReadOperation> >)::$_6, std::__1::allocator<WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr<WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete<WebKit::NetworkCache::Storage::ReadOperation> >)::$_6>, void ()>::operator()()
              |   13 JavaScriptCore: ___ZN3WTF9WorkQueue8dispatchENSt3__18functionIFvvEEE_block_invoke
              |     13 libdispatch.dylib: _dispatch_call_block_and_release
              |       pruning: 9 libdispatch.dylib: _dispatch_client_callout
              |       pruning: 4 libdispatch.dylib: _dispatch_continuation_pop
       ==> 10 libdispatch.dylib: _dispatch_dispose <==
                10 WebKit: WTF::ThreadSafeRefCounted<WebKit::NetworkCache::IOChannel>::deref()
                  pruning: 6 libsystem_blocks.dylib: _Block_release
                  pruning: 4 WebKit: std::__1::__function::__func<WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr<WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete<WebKit::NetworkCache::Storage::ReadOperation> >)::$_6, std::__1::allocator<WebKit::NetworkCache::Storage::dispatchReadOperation(std::__1::unique_ptr<WebKit::NetworkCache::Storage::ReadOperation, std::__1::default_delete<WebKit::NetworkCache::Storage::ReadOperation> >)::$_6>, void ()>::operator()()

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