[stock, T1: datalen=0 pair, conv byte B]
dfh: DF2247: TRIGGER NULL d_table (datalen 0 pair); conv byte 'B' -> d_table[0x42] on NULL

Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x42
fault code		= supervisor read data, page not present
instruction pointer	= 0x8:0xffffffff809da50e
Stopped at      iconv_xlat_conv+0x5e:	movzbl  (%r10,%r9,1),%r9d