Authentication failed. Some common reasons include:

问题
无论是pull、clone还是push都报错

fatal: Out of memory, malloc failed (tried to allocate 301989888 bytes)
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
解决方法
git config --global http.postBuffer 524288000
git config --global core.compression -1
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原文链接：https://blog.csdn.net/gyxx1998/article/details/120344035