Uninitilalized pointer passed into memcpy

[partimScurra]

If len <= len1, buf1 remains unallocated and gets passed into memcpy: https://github.com/RsyncProject/rsync/blob/321dd78f8cbdb5d01fa8628eb872e967f19e0883/checksum.c#L369-L376

[alaniwi]

Re the issue title, I would describe it as an uninitialized pointer. (It might or might not equate to NULL.)

[lighterCoder]

I would like to work on this issue.

[lighterCoder]

Re the issue title, I would describe it as an uninitialized pointer. (It might or might not equate to NULL.)

True, static variable(s) were initialized while prelimenary stage.