== STOCK harness kernel (dfh-built2, #1) ==
dfh: DF2239: mode 0 pre-set=58 pre-now=58 rv=1
dfh: DF2239: [8..24]: 50 50 50 50 50 50 50 58 0d 00 50 50 50 50 50 50 50
dfh: DF2239: region[15] unchanged (58); the byte WAS read (write fires only for \r/\n)
dfh: DF2239: mode 1 pre-set=0a pre-now=0d rv=0
dfh: DF2239: [8..24]: 50 50 50 50 50 50 50 0d 00 50 50 50 50 50 50 50 50
dfh: DF2239: OOB WRITE before buffer: region[15] 0a -> 0d  <<<< proof

== FIXED harness kernel (dfx-built, #7) ==
dfh: DF2239: mode 0 pre-set=58 pre-now=58 rv=1
dfh: DF2239: [8..24]: 50 50 50 50 50 50 50 58 0d 00 50 50 50 50 50 50 50
dfh: DF2239: region[15] unchanged (58); the byte WAS read (write fires only for \r/\n)
dfh: DF2239: mode 1 pre-set=0a pre-now=0a rv=1
dfh: DF2239: [8..24]: 50 50 50 50 50 50 50 0a 0d 00 50 50 50 50 50 50 50
dfh: DF2239: region[15] unchanged (0a); the byte WAS read (write fires only for \r/\n)