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https://bugs.launchpad.net/hplip/+bug/1672256
memcpy should never be used with overlapping memory regions
--- a/io/hpmud/musb.c
+++ b/io/hpmud/musb.c
@@ -775,7 +775,7 @@ static int device_id(int fd, unsigned ch
len = size-1; /* leave byte for zero termination */
if (len > 2)
len -= 2;
- memcpy(buffer, buffer+2, len); /* remove length */
+ memmove(buffer, buffer+2, len); /* remove length */
buffer[len]=0;
DBG("read actual device_id successfully fd=%d len=%d\n", fd, len);
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