apt-get update失败处理：*** Error in `appstreamcli': double free or corruption (fasttop): 0x00000000015c4bf0 ***

As long as something like a unload on it (at least I was so):

sudo apt-get purge libappstream3

And then re-execute the update command,

sudo apt-get update

 

 

Reference links:

1. https://blog.csdn.net/taosera/article/details/78148845

2. http://blog.sina.com.cn/s/blog_3e4774e30102wql2.html