showstats without arguments or with -v segfaults.
This happens when compiled with -O1 or higher, works with -O0.
Further investigation shows that sscanf was used with the violation of the C standard: source and destination buffers were overlapping. Proposed patch fixes this, I send it upstream to mauiusers mail list with no reply, ML looks stagnant.
Created attachment 311575 [details]
Created attachment 311577 [details, diff]
This patch was accepted upstream and will be available in the upcoming 3.3.2 release: