(gdb) bt full
#0  0x00007ff8a28d3625 in raise () from /lib64/libc.so.6
No symbol table info available.
#1  0x00007ff8a28d4e05 in abort () from /lib64/libc.so.6
No symbol table info available.
#2  0x0000000000426adc in sigsegv (num=11) at /usr/src/git/accel-ppp-code/accel-pppd/main.c:203
        cmd = "gdb -x cmd-1453408766 /usr/local/sbin/accel-pppd 19506 > dump-1453408766", '\000' <repeats 456 times>, " \031\355\243\370\177\000\000\f\000\000\000\000\000\000\0    00\020\031\355\243\370\177\000\000\001", '\000' <repeats 39 times>"\320, \330\354\243\370\177\000\000\000@\000\000\000\000\000\000\020", '\000' <repeats 23 times>, "H\002\000\0    00\301&\241V\320\330\354\243\370\177\000\000\006\020B\000\000\000\000\000H\002\000\000\000\000\000\000\b\035\355\243\370\177\000\000\000\000\000\000\"\000\000\000\240\031\355\2    43\370\177\000\000\260+\355\243\370\177\000\000 \027B", '\000' <repeats 21 times>"\260, +\355\243\370\177\000\000\000\000\000\000"...
        fname = "cmd-1453408766", '\000' <repeats 113 times>
        exec_file = "/usr/local/sbin/accel-pppd", '\000' <repeats 4069 times>
        lim = {rlim_cur = 18446744073709551615, rlim_max = 18446744073709551615}
        pid = 0
        status = 0
#3  <signal handler called>
No symbol table info available.
#4  0x00007ff8a10e0633 in forward (net=0x7ff898000cd0, ifindex=2, pkt=0x7ff8980069a8, len=60)
    at /usr/src/git/accel-ppp-code/accel-pppd/ctrl/pppoe/disc.c:177
        n = 0x76636571fffffffa
        t = 0x7ff898000d88
        p = 0x7ff8993f4718
        parent = 0x766365720000002a
        r = 0
        ethhdr = 0x7ff8980069ac
#5  0x00007ff8a10e0a8b in disc_read (h=0x7ff898000d00) at /usr/src/git/accel-ppp-code/accel-pppd/ctrl/pppoe/disc.c:296
        net = 0x7ff898000cd0
        pack = 0x7ff8980069a8 "<"
        ethhdr = 0x7ff8980069ac
        hdr = 0x7ff8980069ba
        n = 60
        src = {sll_family = 17, sll_protocol = 25480, sll_ifindex = 2, sll_hatype = 1, sll_pkttype = 3 '\003', sll_halen = 6 '\006',
          sll_addr = "\004\215\070^\\@", <incomplete sequence \355\243>}
        slen = 18
#6  0x00007ff8a3ade42c in ctx_thread (ctx=0x7ff898003d58) at /usr/src/git/accel-ppp-code/accel-pppd/triton/triton.c:217
        h = 0x7ff898000b78
        t = 0x7ff8a3addc40
        call = 0x7ff8a3ce3550
        tt = 10161088
        events = 1
#7  0x00007ff8a3ade1e9 in triton_thread (thread=0x9b0bb0) at /usr/src/git/accel-ppp-code/accel-pppd/triton/triton.c:159
        set = {__val = {516, 0 <repeats 15 times>}}
        sig = 10
        need_free = 0
#8  0x00007ff8a36bca51 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#9  0x00007ff8a298993d in clone () from /lib64/libc.so.6