(gdb) bt f
#0  __strcmp_avx2 () at ../sysdeps/x86_64/multiarch/strcmp-avx2.S:101
No locals.
#1  0x000055d7e8e111c7 in helpSearchIndex (hi=0x55d7ea6d3190, query=<optimized out>, 
    section=0x55d7ea6fabb0 "Getting Started", filename=0x0) at help-index.c:582
        search = 0x55d7ea6fb920
        node = 0x55d7ea6fd2a0
        word = <optimized out>
        sc = 0x55d7ea6fabf0
        matches = <optimized out>
#2  0x000055d7e8e0f0a1 in main (argc=<optimized out>, argv=<optimized out>) at help.c:175
        hi = 0x55d7ea6d3190
        si = <optimized out>
        n = <optimized out>
        i = <optimized out>
        query = 0x55d7ea6fabd0 "accounting"
        cache_dir = <optimized out>
        docroot = <optimized out>
        helpfile = <optimized out>
        helptitle = 0x0
        topic = 0x55d7ea6fabb0 "Getting Started"
        topic_data = '\000' <repeats 24 times>, "\b=\000\000\000\000\000\000\b=\000\000\000\000\000\000\000\020\000\000\000\000\000\000\001\000\000\000\005\000\000\000\000@\000\000\000\000\000\000\000@\000\000\000\000\000\000\000@\000\000\000\000\000\000\021\064\001\000\000\000\000\000\021\064\001\000\000\000\000\000\000\020\000\000\000\000\000\000\001\000\000\000\004\000\000\000\000\200\001\000\000\000\000\000\000\200\001\000\000\000\000\000\000\200\001\000\000\000\000\000\230\217\000\000\000\000\000\000\230\217\000\000\000\000\000\000\000\020\000\000\000\000\000\000\001\000\000\000\006\000\000\000\210\031\002\000\000\000\000\000\210)\002\000\000\000\000\000\210)\002\000\000\000\000\000\070\a\000\000\000\000\000\000"...
        section = <optimized out>
        filename = "/var/cache/cups/help.index\000\000\000\000\000\000\377", '\000' <repeats 24 times>, "\020\000\000\000\000\000\000c\000\000\000\374\177\000\000\023\376\210\060\331\177\000\000\001\000\000\000\331\177\000\000@\000\000\000\000\000\000\000\001\001\000\000p\000\000\000o\000\000\000|\000\000\000\001\000\000\000\000\000\000\000c\000\000\000w\000\000\000\b", '\000' <repeats 15 times>, "\001\000\000\000\331\177\000\000\377\000\000\000\000\000\000\000\000\020\000\000\000\000\000\000\260\377\377\377\377\377\377\377\000\000\000\000\000\000\000\000\220\351ğ\374\177\000\000\377\a\000\000\000\000\000\000\000"...
        directory = "/usr/share/cups/www/help\000\270\204\060\331\177\000\000\020\352ğ\374\177\000\000\343\370\210\060\331\177\000\000\001\000\000\000\331\177\000\000ೄ0\331\177\000\000\060\352ğ\374\177\000\000\343\370\210\060\331\177\000\000\001\000\000\000\331\177\000\000\340\256\204\060\331\177\000\000P\352ğ\374\177\000\000\343\370\210\060\331\177\000\000\001\000\000\000\331\177\000\000\340\251\204\060\331\177\000\000p\352ğ\374\177\000\000\343\370\210\060\331\177\000\000\001\000\000\000\327U\000\000\360\244\204\060\331\177\000\000\220\352ğ\374\177\000\000\343\370\210\060\331\177\000\000\001\000\000\000\327U\000\000\000\240\204\060\331\177\000\000\260\352ğ\374\177\000\000\343\370\210\060\331\177\000\000\001\000\000\000\000\000\000\000"...
--Type <RET> for more, q to quit, c to continue without paging--
        fp = <optimized out>
        line = "\002\000\000\000\000\000\000\000@\244b/\331\177\000\000\t", '\000' <repeats 15 times>, "\001\000\000\000\000\000\000\000\210ي0\331\177\000\000\360\346\212\060\331\177\000\000@\244b/\331\177\000\000\210ي0\331\177\000\000\000\000\000\000\001\000\000\000\250\344\212\060\331\177\000\000\000\000\000\000\000\000\000\000\330rӟ\374\177\000\000\210\320\340\350\327U\000\000\377\377\377\377\000\000\000\000\a\000\000\000\000\000\000\000X\362^0\331\177\000\000\360\244\204\060\331\177\000\000@\341\212\060\331\177\000\000Isi0\331\177", '\000' <repeats 19 times>, " \000\000\000\000\000\000\350qӟ\374\177\000\000\000\000\000\000 \000\000\000\020\020\210\060"...
        printable = 0
(gdb) frame 1
#1  0x000055d7e8e111c7 in helpSearchIndex (hi=0x55d7ea6d3190, query=<optimized out>, 
    section=0x55d7ea6fabb0 "Getting Started", filename=0x0) at help-index.c:582
582	    if (section && strcmp(node->section, section))
(gdb) p node->section
$1 = 0x0
(gdb) p *node
$3 = {filename = 0x55d7ea6d2630 "accounting.html", section = 0x0, anchor = 0x55d7ea6d26f0 "PAGELOG", 
  text = 0x55d7ea6d27b0 "Page Logging", words = 0x55d7ea6fd2f0, mtime = 0, offset = 2080, length = 612, score = 0}