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LWIP_ASSERT("pbuf_free: p->ref > 0", p->ref > 0);断言失败 #568

@Hotwill

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@Hotwill

只要启用lwip,终端就会不断打印出:
pbuf_free: p->ref > 0
Assertion: 650 in ....\components\net\lwip-head\src\core\pbuf.c, thread tcpip
最终定位到pbuf.c中的LWIP_ASSERT("pbuf_free: p->ref > 0", p->ref > 0);断言失败导致的。
这应该是一个已经释放的pbuf被再次释放引起的。请修复这一问题。

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