Fix crash during shutdown after unsuccessful ping() #8674
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AlexPeshkoff
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dyemanov
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dyemanov
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If Y-valve's
ping()gets an error from the underlying provider, it disconnects immediately and clears thenextpointer.YHelper::release()callsdestroy()only ifnext != nullptr. Thus the attachment handle remains uncleared from theattachmentsarray. When shutdown is performed afterwards, it iterates through this array and tries to shutdown/release the already destroyed attachment.