Crash on iOS 16(20A362)：CFSocketInvalidate + 132 about cocoaasyncsocket HOT 18 CLOSED

一个临时的解决方案 https://juejin.cn/post/7153606703399829511

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same error + 1

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same error + 1

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Is there a solution?

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same error + 1

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same error

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@xuezhulian 可以私聊下吗，请教一下细节，我的qq 123016764

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@dustturtle 有不懂的地方直接在掘金评论吧，老年人没有 qq 了

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This issue has been marked as stale, it will be closed automatically if there is no further activity.

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same error + 1

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Same error as well. I highly recommend reading the blog post above (use Google Translate if needed but the relevant code is at the bottom) #803 (comment)

tl;dr it's definitely a bug that Apple added to CoreFoundation in iOS 16. It is possible to hack around it by modifying your socket's struct to point at a custom release function. Personally I don't feel great about that so you can either hope that Apple fixes it or stop using stuff that relies on the old CFSocket type, like GCDAsyncSocket.

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@silverhammermba You are right, but It is very costly for us to deprecate GCDAsyncSocket.

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@xuezhulian I tried applying your fix but it did not resolve the crash for me. See PR #824. Could you take a look and see if there is some mistake in my implementation?

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same error + 1

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@silverhammermba 需要加到这个方法里面 closeWithError

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• (void)closeWithError:(NSError *)error
  {
  LogTrace();
  NSAssert(dispatch_get_specific(IsOnSocketQueueOrTargetQueueKey), @"Must be dispatched on socketQueue");

  [self endConnectTimeout];

  if (currentRead != nil) [self endCurrentRead];
  if (currentWrite != nil) [self endCurrentWrite];

  [readQueue removeAllObjects];
  [writeQueue removeAllObjects];

  [preBuffer reset];

  #if TARGET_OS_IPHONE
  {
  if (readStream || writeStream)
  {
  [self removeStreamsFromRunLoop];

    	if (readStream)
    	{
    		CFReadStreamSetClient(readStream, kCFStreamEventNone, NULL, NULL);
    		CFReadStreamClose(readStream);
    		CFRelease(readStream);
    		readStream = NULL;
    	}
        if (writeStream)
        {
            if (@available(iOS 16.0, *)) {
                struct _ks_CFStream *cfstream  = (struct _ks_CFStream *)writeStream;
                if (isMemoryReadable(cfstream, sizeof(*cfstream))
                   && isMemoryReadable(cfstream->info, sizeof(*(cfstream->info)))
                   && isMemoryReadable(cfstream->info->_socket, sizeof(*(cfstream->info->_socket)))
                   && isMemoryReadable(&(cfstream->info->_socket->_context), sizeof(cfstream->info->_socket->_context))
                   && isMemoryReadable(cfstream->info->_socket->_context.release, sizeof(*(cfstream->info->_socket->_context.release)))) {
                    if (cfstream->info != NULL && cfstream->info->_socket != NULL) {
                        if ((uintptr_t)cfstream->info->_socket->_context.release == (uintptr_t)CFRelease) {
                            origin_context_release = cfstream->info->_socket->_context.release;
                            cfstream->info->_socket->_context.release = new_context_release;
                        }
                    }
                }
            }
  

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After writing above mentioned piece of code it gives error like
"Call to undeclared function 'isMemoryReadable'; ISO C99 and later do not support implicit function declarations"
"Invalid application of 'sizeof' to an incomplete type 'struct __CFStream'"
"Incomplete definition of type 'struct __CFStream'"
@xuezhulian

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