Buffer overrun in parse_mrsets ?

[John Darrington]

Valgrind is reporting an invalid read in test 117

Is this something we need to fix?

==3414== Invalid read of size 1
==3414==    at 0x52033B2: text_match (sys-file-reader.c:3144)
==3414==    by 0x51FFB39: parse_mrsets (sys-file-reader.c:1716)
==3414==    by 0x51FC2DF: sfm_open (sys-file-reader.c:427)
==3414==    by 0x51CBF2B: any_reader_open (any-reader.c:119)
==3414==    by 0x51CC0A3: any_reader_open_and_decode (any-reader.c:169)
==3414==    by 0x4EE46E5: parse_read_command (get.c:126)
==3414==    by 0x4EE449F: cmd_get (get.c:58)
==3414==    by 0x4E64B36: do_parse_command (command.c:233)
==3414==    by 0x4E64875: cmd_parse_in_state (command.c:148)
==3414==    by 0x4E64940: cmd_parse (command.c:163)
==3414==    by 0x4032B1: main (main.c:138)
==3414==  Address 0xdad733d is 0 bytes after a block of size 77 alloc'd
==3414==    at 0x4C29BCF: malloc (vg_replace_malloc.c:299)
==3414==    by 0x524B995: xmalloc (xmalloc.c:41)
==3414==    by 0x521F754: pool_malloc (pool.c:471)
==3414==    by 0x51FEA1F: read_extension_record (sys-file-reader.c:1349)
==3414==    by 0x51FC7CD: read_record (sys-file-reader.c:543)
==3414==    by 0x51FC3E0: read_dictionary (sys-file-reader.c:459)
==3414==    by 0x51FC2AA: sfm_open (sys-file-reader.c:423)
==3414==    by 0x51CBF2B: any_reader_open (any-reader.c:119)
==3414==    by 0x51CC0A3: any_reader_open_and_decode (any-reader.c:169)
==3414==    by 0x4EE46E5: parse_read_command (get.c:126)
==3414==    by 0x4EE449F: cmd_get (get.c:58)
==3414==    by 0x4E64B36: do_parse_command (command.c:233)
==3414==    by 0x4E64875: cmd_parse_in_state (command.c:148)
==3414==    by 0x4E64940: cmd_parse (command.c:163)
==3414==    by 0x4032B1: main (main.c:138)


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