# gdb /usr/libexec/cups/cgi-bin/printers.cgi /var/dumps/core.printers.cgi.31750
GNU gdb (Gentoo 8.3.1 vanilla) 8.3.1
Copyright (C) 2019 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
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Reading symbols from /usr/libexec/cups/cgi-bin/printers.cgi...
[New LWP 31750]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/libexec/cups/cgi-bin/printers.cgi'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f2546710521 in __strlen_avx2 () from /lib64/libc.so.6
(gdb) where
#0  0x00007f2546710521 in __strlen_avx2 () from /lib64/libc.so.6
#1  0x00007f2546630b5f in strdup () from /lib64/libc.so.6
#2  0x0000559e305a0eb5 in cgiGetArray (name=<optimized out>, element=<optimized out>) at var.c:173
#3  0x0000559e3059ff87 in cgi_copy (out=out@entry=0x7f2546771760 <_IO_2_1_stdout_>, in=in@entry=0x559e32217530, element=element@entry=1, term=term@entry=125 '}', indent=indent@entry=4) at template.c:378
#4  0x0000559e3059fec8 in cgi_copy (out=0x7f2546771760 <_IO_2_1_stdout_>, in=0x559e32217530, element=0, term=<optimized out>, indent=2) at template.c:344
#5  0x0000559e305a05d3 in cgi_copy (out=0x7f2546771760 <_IO_2_1_stdout_>, in=in@entry=0x559e32217530, element=element@entry=0, term=term@entry=0 '\000', indent=indent@entry=0) at template.c:598
#6  0x0000559e305a0a31 in cgiCopyTemplateLang (tmpl=0x559e305a21c1 "printers.tmpl") at template.c:144
#7  0x0000559e3059cb19 in show_all_printers (user=<optimized out>, http=0x559e3221aa70) at printers.c:425
#8  main () at printers.c:131
(gdb) bt full
#0  0x00007f2546710521 in __strlen_avx2 () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007f2546630b5f in strdup () from /lib64/libc.so.6
No symbol table info available.
#2  0x0000559e305a0eb5 in cgiGetArray (name=<optimized out>, element=<optimized out>) at var.c:173
        var = <optimized out>
#3  0x0000559e3059ff87 in cgi_copy (out=out@entry=0x7f2546771760 <_IO_2_1_stdout_>, in=in@entry=0x559e32217530, element=element@entry=1, term=term@entry=125 '}', indent=indent@entry=4) at template.c:378
        ch = <optimized out>
        op = <optimized out>
        name = "printer_make_and_model\000\000\000\000\000\000\000\000g@\243\224\375\177\000\000r \"Expor\360\350\"2\236U\000\000\020\351\"2\236U\000\000\060\351\"2\236U\000\000P\351\"2\236U\000\000p\351\"2\236U\000\000\220\351\"2\236U\000\000\260\351\"2\236U\000\000\320\351\"2\236U\000\000\360\351\"2\236U\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\ndell_e5580\003a1m\002cz\000\000\000\000\000\000\001\000\000\000\004\000\000\000\000\020\001\000\000\000\000\000\000\020\001\000\000\000\000\000\000\020"...
        nameptr = <optimized out>
        innername = "\000\000\000\000\000\000\000\000IwF%\177\000\000a\340{E%\177\000\000\000\004\000\000\000\000\000\000x*\243\224\375\177", '\000' <repeats 34 times>, "\020\002", '\000' <repeats 14 times>, "\004\000\000\000\000\004\000\000\000\000\000\000\000\000\000\000\001\000\000\000\001\000\000\000\020&\243\224\375\177\000\000\300cZ0\236U", '\000' <repeats 14 times>, "\375\177\000\000\000\000\000\000\004\000\000\000\377\377\377\377", '\000' <repeats 12 times>, "\304\037\001\000\000\000\000\000\374\003\000\000\000\000\000\000\374\003\000\000\000\000\000\000\004\000\000\000\000\000\000\000Q"...
        innerptr = <optimized out>
        s = <optimized out>
        value = <optimized out>
        innerval = <optimized out>
        outptr = <optimized out>
        outval = "R\345td\004\000\000\000\001\000\000\000\000\000\000\000\020V\001\000\000\000\000\000\020V\001\000\000\000\000\000\000\026\316\003\070\300\324\355\360\t\000\000\000\000\000\000\332,Z0\236U\000\000\260'\243\224\375\177\000\000\320'\243\224\375\177\000\000\327,Z0\236U\000\000P)\243\224\375\177\000\000\000\000\000\000\000\000\000\000\020\236`F%\177\000\000\000\000@\000\000\000\200\000\000\026\316\003\070\300\324킂\020\000\002\005\001\020\234(Z0\236U\000\000\000(\243\224\375\177\000\000\020(\243\224\375\177\000\000\232(Z0\236U\000\000P)\243\224\375\177\000\000`\312vF%\177\000\000\020\236`F%\177\000\000\000\000\000\000@\t\000\000\000\000\000\000\000\000\000\000\001", '\000' <repeats 27 times>...
        compare = "0u!2\236U\000\000`\027wF%\177\000\000\317\000\000\000\000\000\000\000@\030wF%\177\000\000㜆F%\177\000\000\001", '\000' <repeats 15 times>, "l_e5580\003\250\246ZF%\177\000\000\020*\243\224\375\177\000\000\032\a\207F%\177", '\000' <repeats 26 times>, "\317\000\000\000\000\000\000\000\060u!2\236U\000\000\004\000\000\000\000\000\000\000?\000\000\000\000\000\000\000؂\254\224\375\177\000\000\320F\210F%\177\000\000\030'\243\224\375\177\000\000\024'\243\224\375\177\000\000\200\037\000\000\377\377\000\000pp\000\000\000\000\000\000\354G\206F%\177\000\000\244\315'"...
        result = <optimized out>
        uriencode = 0
        re = {buffer = 0x7f2546624b65 <_IO_setb+117>, allocated = 22, used = 17137533828866119168, syntax = 4294967216, fastmap = 0x559e32217530 "\210$\255", <incomplete sequence \373>, translate = 0x0, re_nsub = 17137533828866119168, can_be_null = 0, regs_allocated = 0, fastmap_accurate = 1, no_sub = 1, 
          not_bol = 0, not_eol = 0, newline_anchor = 0}
#4  0x0000559e3059fec8 in cgi_copy (out=0x7f2546771760 <_IO_2_1_stdout_>, in=0x559e32217530, element=0, term=<optimized out>, indent=2) at template.c:344
        i = <optimized out>
        pos = 207
        count = 6
        ch = <optimized out>
        op = <optimized out>
        name = "[printer_name\000\373T\206F%\177\000\000\001", '\000' <repeats 15 times>, "\001", '\000' <repeats 15 times>, "\001\000\000\000\000\000\000\000\060A\210F%\177\000\000(,\243\224\375\177\000\000\000\000\000\000\000\000\000\000\060A\210F%\177\000\000\220\223\177F\001\000\000\000\220D\210F%\177\000\000\000\000\000\000\000\000\000\000h<\243\224\375\177\000\000h8\243\224\375\177\000\000\377\377\377\377\000\000\000\000㜆F%\177\000\000\b\247wF%\177\000\000\000\260\177F%\177\000\000\000\000\000\000\000\000\000\000\020\204ZF%\177\000\000\220/\243\224\375\177\000\000\032\a\207F%\177\000\000\000\000\000\000\000\000\000\000"...
        nameptr = <optimized out>
        innername = "@\243\224\375\177\000\000h4\243\224\375\177\000\000㜆F%\177\000\000\001", '\000' <repeats 15 times>, "`.\243\224\375\177\000\000\b\247wF%\177\000\000\060\060\243\224\375\177\000\000\032\a\207F%\177\000\000\000\000\000\000\000\000\000\000\t\000\000\000\000\000\000\000\000\004\000\000\000\000\000\000h@\243\224\375\177\000\000\310H\243\224\375\177\000\000\063\000\000\000\000\000\000\000eD\243\224\375\177\000\000i{nF%\177\000\000\002", '\000' <repeats 15 times>, "\b\000\000\000\000\000\000\000\200\037\000\000\377\377\000\000\000\000", '\377' <repeats 14 times>, "//localhost/prin", '\000' <repeats 16 times>...
        innerptr = <optimized out>
        s = <optimized out>
        value = <optimized out>
        innerval = <optimized out>
        outptr = <optimized out>
        outval = "6\000EARCH_DEST}\000\000\000        \000\000\000\000\000\000\000\000\000\026\316\003\070\300\324\355\000\000\000\377\377\377\377\377\332,Z0\236U\000\000\300\062\243\224\375\177\000\000\340\062\243\224\375\177\000\000\327,Z0\236U\000\000`4\243\224\375\177\000\000\000\000\000\000\000\000\000\000\020\236`F%\177\000\000@/\000:?/\000a\000\026\316\003\070\300\324\355ZZZZZZZZ\234(Z0\236U\000\000\020\063\243\224\375\177\000\000 3\243\224\375\177\000\000\232(Z0\236U\000\000`4\243\224\375\177\000\000`\312vF%\177\000\000\020\236`F%\177", '\000' <repeats 18 times>...
        compare = "1\000asses\000\n6\243\224\375\177\000\000㜆F%\177\000\000\001\000\000\000\000\000\000\000B\235\206F%\177\000\000\000\000\000\000\003\000\000\000heZF%\177\000\000 5\243\224\375\177\000\000\032\a\207F%\177\000\000r\000\000\000\000\000\000\000\024", '\000' <repeats 15 times>, "-\000\000\000\000\000\000\000\n6\243\224\375\177\000\000?\000\000\000\000\000\000\000 \000\000\000\000\000\000\000B@\206\000\302\000\200\300\064\000\000\000\065\000\000\000\000\000\000\000\066\000\000\000\067\000\000\000\070\000\000\000\200\037\000\000\377\377\000\000\000\000\000\000;\000\000\000\000\000\000\000<\000\000\000>\000\000\000?\000\000\000\000\000\000\000A\000\000\000\000\000\000\000"...
        result = <optimized out>
        uriencode = <optimized out>
        re = {buffer = 0x7f2546777d38, allocated = 94137904377644, used = 855349935, syntax = 13364842, fastmap = 0x7ffd94a32ac4 "", translate = 0x1be <error: Cannot access memory at address 0x1be>, re_nsub = 140727097174928, can_be_null = 0, regs_allocated = 0, fastmap_accurate = 0, no_sub = 1, not_bol = 0, 
          not_eol = 1, newline_anchor = 0}
#5  0x0000559e305a05d3 in cgi_copy (out=0x7f2546771760 <_IO_2_1_stdout_>, in=in@entry=0x559e32217530, element=element@entry=0, term=term@entry=0 '\000', indent=indent@entry=0) at template.c:598
        ch = <optimized out>
        op = 61 '='
        name = "#printer_name\000\000\000\000\000%\177\000\000\350,[F%\177\000\000\220OZF%\177\000\000\337\334wF%\177\000\000\317Mv\323\000\000\000\000\067\331M\003\000\000\000\000\204\066\243\224\375\177\000\000\070\001\000\000%\177\000\000P7\243\224\375\177\000\000H\210wF%\177\000\000@7\243\224\375\177\000\000\250P\373E%\177\000\000\016\000\000\000\000\000\000\000\000\020", '\000' <repeats 22 times>, "\317Mv\323", '\000' <repeats 12 times>, "\337\334wF%\177\000\000`\263\177F%\177\000\000@7\243\224\375\177\000\000P7\243\224\375\177\000\000\373T\206F%\177\000\000\002\000\000\000\000\000\000\000"...
        nameptr = <optimized out>
        innername = "R\373E%\177\000\000\000\260\177F%\177\000\000\000\000\000\000\001\000\000\000`\263\177F%\177\000\000\000\000\000\000\000\000\000\000\377\377\377\377\000\000\000\000\360\000\000\000\000\000\000\000\377\377\377\377\000\000\000\000\360\264\177F%\177\000\000\320lZF%\177\000\000\360\264\177F%\177\000\000\000\000\000\000\000\000\000\000[\000\000\000|\000\000\000n\000\000\000w\000\000\000\230\215\000\000\000\000\000\000\230\215\000\000\000\000\000\000`\306~E%\177\000\000\320\070\243\224\375\177\000\000@\231\177F%\177\000\000\004\000\000\000\000\000\000\000\020\242!2\236U\000\000\060u", '\000' <repeats 22 times>, "㜆F%\177\000\000\001", '\000' <repeats 15 times>...
        innerptr = <optimized out>
        s = <optimized out>
        value = <optimized out>
        innerval = <optimized out>
        outptr = <optimized out>
        outval = "6\000EARCH_DEST}\000}\000\000\026\316\003\070\300\324\355\004\000\000\000\000\000\000\000\023%Z0\236U\000\000\300=\243\224\375\177\000\000\340=\243\224\375\177\000\000\016%Z0\236U\000\000`?\243\224\375\177\000\000`\320vF%\177\000\000\020\236`F%\177", '\000' <repeats 14 times>, "lhost\000\224|", '\000' <repeats 12 times>, "\001", '\000' <repeats 11 times>, "%\177\000\000\377\377\377\377\377\377\377\377", '\000' <repeats 16 times>, "\032\000\000\000%\177\000\000\000\000\000\000\000\000\000\000\301!Z0\236U\000\000\000\000\000\000\000\000\000\000\032\000\000\000%\177\000\000"...
        compare = "0\000\206F%\177\000\000\001", '\000' <repeats 15 times>, ".\004\000\000\000\000\000\000@\300ZF%\177\000\000\060@\243\224\375\177\000\000\032\a\207F%\177", '\000' <repeats 18 times>, "\240(wF%\177\000\000\000\000\000\000\000\000\000\000\060u!2\236U\000\000\000\000\000\000\000\000\000\000\062\000\000\000\000\000\000\000inoltaC280\000F%\177\000\000\030=\243\224\375\177\000\000\024=\243\224\375\177\000\000\200\037\000\000\377\377\000\000\020\311wF%\177\000\000\354G\206F%\177\000\000\321\376\360\357\000\000\000\000\360\264\177F%\177", '\000' <repeats 11 times>, "\213wF%\177\000\000"...
        result = <optimized out>
        uriencode = <optimized out>
        re = {buffer = 0x1003e0003, allocated = 8704, used = 64, syntax = 39736, fastmap = 0x7f25468647ec <check_match+300> "\205\300t\211\351x\377\377\377\017\037", translate = 0x22494966 <error: Cannot access memory at address 0x22494966>, re_nsub = 139798073722860, can_be_null = 1, regs_allocated = 3, 
          fastmap_accurate = 1, no_sub = 0, not_bol = 0, not_eol = 1, newline_anchor = 1}
#6  0x0000559e305a0a31 in cgiCopyTemplateLang (tmpl=0x559e305a21c1 "printers.tmpl") at template.c:144
        filename = "/usr/share/cups/templates/printers.tmpl\000pl\000mpl\000pl\000\316\003\070\300\324\355\220D\243\224\375\177\000\000\002\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\240\001\000\000\000\000\000\000Њ#2\236U\000\000@D\243\224\375\177\000\000\000\000\000\000\000\000\000\000)\275]F%\177\000\000\030\000\000\000\000\000\000\000I\vZ0\236U\000\000\210B\243\224\375\177\000\000@D\243\224\375\177\000\000\240\212#2\236U\000\000\005", '\000' <repeats 16 times>, "\026\316\003\070\300\324\355p\341\"2\236U\000\000\004\000\000\000\000\000\000\000\005"...
        locale = "/cs\000UTF8\000\000\000\000\000\000\000"
        locptr = <optimized out>
        directory = <optimized out>
        lang = <optimized out>
        in = 0x559e32217530
#7  0x0000559e3059cb19 in show_all_printers (user=<optimized out>, http=0x559e3221aa70) at printers.c:425
        i = 6
        request = <optimized out>
        response = 0x559e3222edd0
        printers = 0x559e32237e70
        printer = <optimized out>
        first = 0
        count = 6
        var = <optimized out>
        search = <optimized out>
        val = "6\000rinters/IT4I_MinoltaC280\000F%\177\000\000\000\000\000\000\000\000\000\000\270\332YF%\177\000\000\220\355XF%\177\000\000\000\000\000\000\000\000\000\000㜆F%\177\000\000\001", '\000' <repeats 15 times>, "\200Z!2\236U\000\000\330[ZF%\177\000\000\000M\243\224\375\177\000\000\032\a\207F%\177\000\000\200\330YF%\177\000\000\200\330YF%\177\000\000 \234FF%\177", '\000' <repeats 52 times>, "\377\000\000\000\000\000\000", '\377' <repeats 15 times>...
#8  main () at printers.c:131
        printer = <optimized out>
        user = <optimized out>
        http = 0x559e3221aa70
        request = <optimized out>
        response = <optimized out>
        attr = <optimized out>
        op = <optimized out>
        def_attrs = {0x559e305a211a "printer-name", 0x559e305a2134 "printer-uri-supported"}
(gdb)