abrt-server dumps core due to segfault.

Issue

abrt-server dumps core due to segfault.

(gdb) bt full
#0  __strlen_sse42 () at ../sysdeps/x86_64/multiarch/strlen-sse4.S:32
No locals.
#1  0x0000003f2fa08f26 in libreport_concat_path_file (path=0x64 <Address 0x64 out of bounds>, 
    filename=0x3f2fa11630 "/etc/system-release") at concat_path_file.c:27
        end = <value optimized out>
#2  0x0000003f2fa0acb6 in dd_create_basic_files (dd=0x1fc0ec0, uid=1000, chroot_dir=0x64 <Address 0x64 out of bounds>)
    at dump_dir.c:501
        chrooted_name = <value optimized out>
        long_str = "1000\000\065\062\060\064\062\000\066\060\000\000\000\240\001\000\000\000\000\000\000\300\016"
        t = <value optimized out>
        buf = {sysname = "Linux", '\000' <repeats 59 times>, nodename = "AAEDB01", '\000' <repeats 57 times>, 
          release = "2.6.32-220.23.1.el6.x86_64", '\000' <repeats 38 times>, 
          version = "#1 SMP Tue Jun 12 11:20:15 EDT 2012", '\000' <repeats 29 times>, machine = "x86_64", '\000' <repeats 58 times>, 
          domainname = "(none)", '\000' <repeats 58 times>}
        release = <value optimized out>
#3  0x0000000000401eaa in create_debug_dump (argc=2, argv=<value optimized out>) at abrt-server.c:116
        dd = 0x1fc0ec0
        newpath = <value optimized out>
        path = 0x1fc0e80 "/var/spool/abrt/pyhook-2015-01-10-10:07:22-9445.new"
        cmdline = <value optimized out>
        uid_str = "\000\000\000\000\000\000\000\000\060#@", '\000' <repeats 13 times>, "\003\022"
#4  perform_http_xact (argc=2, argv=<value optimized out>) at abrt-server.c:437
        body_start = <value optimized out>
        messagebuf_data = <value optimized out>
        messagebuf_len = <value optimized out>
---Type <return> to continue, or q <return> to quit---
#5  main (argc=2, argv=<value optimized out>) at abrt-server.c:501
        program_usage_string = <value optimized out>
        program_options = {{type = OPTION_BOOL, short_name = 118, long_name = 0x402567 "verbose", value = 0x3f2fc15c48, argh = 0x0, 
            help = 0x402564 "Be verbose"}, {type = OPTION_INTEGER, short_name = 117, long_name = 0x0, value = 0x602c5c, 
            argh = 0x4025ac "NUM", help = 0x40256f "Use UID as client uid"}, {type = OPTION_BOOL, short_name = 115, long_name = 0x0, 
            value = 0x0, argh = 0x0, help = 0x402585 "Log to syslog"}, {type = OPTION_BOOL, short_name = 112, long_name = 0x0, 
            value = 0x0, argh = 0x0, help = 0x402593 "Add program names to log"}, {type = OPTION_END, short_name = 0, 
            long_name = 0x0, value = 0x0, argh = 0x0, help = 0x0}}
        opts = <value optimized out>
        sa = {__sigaction_handler = {sa_handler = 0x401600 <dummy_handler>, sa_sigaction = 0x401600 <dummy_handler>}, sa_mask = {
            __val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0}
        r = <value optimized out>