[libvirt] glibc detected invalid pointer

hi all: when i use vnc to connect VM, sometimes in libvirt logs, i found glibc detected invalid pointer error,and then this vm will be shutdown . “The information (including any attachments) contained in this e-mail is confidential and may be legally privileged . The message is intended solely for the addressee(s). If this e-mail is not originally intended for you, or received by you in error, please contact the sender by return e-mail and do not disclose its content to anyone and destroy all copies of the original message immediately. If you are not the intended recipient, you are hereby notified that any use, dissemination, or reproduction is strictly prohibited and may be unlawful. 本邮件（包括任何附件）包含机密信息，并受法律保护。此信息意在使收件人明确以下内容：如果您并非该收件人或错收此邮件，请联系发件人并退还此邮件，请不要向任何人泄露邮件内容，请立即删除所有邮件及其附件。严禁任何使用，传播或复制此邮件的行为，这些行为可能违反法律。“