CVE-2022-50094 spmi: trace: fix stack-out-of-bound access in SPMI tracing functions

In the Linux kernel, the following vulnerability has been resolved: spmi: trace: fix stack-out-of-bound access in SPMI tracing functions tracespmiwritebegin and tracespmireadend both call memcpy with a length of "len + 1". This leads to one extra byte being read beyond the end of the specified...