(gdb) bt full
#0  0x080a27cb in ast_var_name (var=0x10) at chanvars.c:67
        name = 0x407c6a88 "´)"
#1  0x407c4eaf in dumper_log (cdr=0x8113d00) at cdr_dumper_php.c:88
        f = (FILE *) 0x8113cc8
(stuff here)
        buf2 = "\t'chan_vars' => array(\n", '\0' <repeats 4072 times>
        dumper = '\0' <repeats 254 times>
        phper = '\0' <repeats 254 times>
        chan = (struct ast_channel *) 0x8113900
        tmstart = {tm_sec = 0, tm_min = 0, tm_hour = 0, tm_mday = 0, tm_mon = 0, tm_year = 0, tm_wday = 0, tm_yday = 0,
  tm_isdst = 0, tm_gmtoff = 0, tm_zone = 0x0}
        tmanswer = {tm_sec = 0, tm_min = 0, tm_hour = 0, tm_mday = 0, tm_mon = 0, tm_year = 0, tm_wday = 0, tm_yday = 0,
  tm_isdst = 0, tm_gmtoff = 0, tm_zone = 0x0}
        tmend = {tm_sec = 0, tm_min = 0, tm_hour = 0, tm_mday = 0, tm_mon = 0, tm_year = 0, tm_wday = 0, tm_yday = 0,
  tm_isdst = 0, tm_gmtoff = 0, tm_zone = 0x0}
        variables = (struct ast_var_t *) 0x10
        headp = (struct varshead *) 0x8113cc8
        var = 0x8113cc8 "\020"
        val = 0x18 <Address 0x18 out of bounds>
        total = 0
        callerid = 0x0
        size = 135347400
        start = '\0' <repeats 79 times>
        answer = '\0' <repeats 79 times>
        end = '\0' <repeats 79 times>
#2  0x08089058 in ast_cdr_post (cdr=0x8113d00) at cdr.c:509
        i = (struct ast_cdr_beitem *) 0x815f060
#3  0x0805b03b in ast_hangup (chan=0x8113900) at channel.c:765
        res = 0
#4  0x080758c6 in ast_pbx_run (c=0x8113900) at pbx.c:2060
        digit = 0 '\0'
        exten = '\0' <repeats 255 times>
        pos = 0
        waittime = 135518216
        res = -1
#5  0x0807c43f in pbx_thread (data=0x8113900) at pbx.c:2072
---Type <return> to continue, or q <return> to quit---
No locals.
#6  0x40026e51 in pthread_start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7  0x401ea65a in clone () from /lib/libc.so.6
No symbol table info available.
(gdb)
(gdb)