(gdb) bt
#0  0x0000003e14432885 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x0000003e14434065 in abort () at abort.c:92
#2  0x0000003e1446f977 in __libc_message (do_abort=2, 
    fmt=0x3e145551a0 "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:198
#3  0x0000003e14475296 in malloc_printerr (action=3, 
    str=0x3e145532dd "malloc(): memory corruption", ptr=<value optimized out>)
    at malloc.c:6295
#4  0x0000003e14478b58 in _int_malloc (av=0x7f1364000020, bytes=<value optimized out>)
    at malloc.c:4402
#5  0x0000003e144797d1 in __libc_malloc (bytes=321) at malloc.c:3660
#6  0x00000000004bcb2c in _ast_malloc (
    str=0x7f1366048748 "Event: Hangup\r\nPrivilege: call,all\r\nChannel: Bridge/Local/1019092827@agent-00050961;1<ZOMBIE>\r\nUniqueid: voice02-1370888911.1780526\r\nCallerIDNum: <unknown>\r\nCallerIDName: <unknown>\r\nConnectedLineNum: "..., category=2)
    at /usr/src/debug/asterisk-1.8.20.0/include/asterisk/utils.h:457
#7  append_event (
    str=0x7f1366048748 "Event: Hangup\r\nPrivilege: call,all\r\nChannel: Bridge/Local/1019092827@agent-00050961;1<ZOMBIE>\r\nUniqueid: voice02-1370888911.1780526\r\nCallerIDNum: <unknown>\r\nCallerIDName: <unknown>\r\nConnectedLineNum: "..., category=2) at manager.c:5109
#8  0x00000000004c9937 in __ast_manager_event_multichan (category=2, 
    event=0x53f6f8 "Hangup", chancount=1, chans=<value optimized out>, 
    file=0x7f128217ab98 "PVhğ\364ڠ0,,", line=<value optimized out>, 
    func=0x543f85 "ast_hangup", 
    fmt=0x541e00 "Channel: %s\r\nUniqueid: %s\r\nCallerIDNum: %s\r\nCallerIDName: %s\r\nConnectedLineNum: %s\r\nConnectedLineName: %s\r\nCause: %d\r\nCause-txt: %s\r\n")
    at manager.c:5210
#9  0x000000000046613c in ast_hangup (chan=0x7f1365c9f698) at channel.c:2892
#10 0x00000000004e1e33 in __ast_pbx_run (c=0x7f1365c9f698, args=0x0) at pbx.c:5479
#11 0x00000000004e300b in pbx_thread (data=<value optimized out>) at pbx.c:5571
#12 0x000000000051db68 in dummy_start (data=<value optimized out>) at utils.c:1010
#13 0x0000003607c077f1 in start_thread (arg=0x7f128217b700) at pthread_create.c:301
#14 0x0000003e144e5ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
(gdb) bt full
#0  0x0000003e14432885 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = 5540
        selftid = 19926
#1  0x0000003e14434065 in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7f1282179e28, 
            sa_sigaction = 0x7f1282179e28}, sa_mask = {__val = {139717468724752, 
              139726563704800, 16, 266629096778, 1, 266627791754, 5, 266629100437, 3, 
              139717468724750, 2, 266629096804, 1, 266629103520, 3, 139717468724758}}, 
          sa_flags = 10, sa_restorer = 0x3e14553fa4}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x0000003e1446f977 in __libc_message (do_abort=2, 
    fmt=0x3e145551a0 "*** glibc detected *** %s: %s: 0x%s ***\n")
    at ../sysdeps/unix/sysv/linux/libc_fatal.c:198
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7f128217a790, 
            reg_save_area = 0x7f128217a6a0}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7f128217a790, 
            reg_save_area = 0x7f128217a6a0}}
        fd = 2
        on_2 = <value optimized out>
        list = <value optimized out>
        nlist = <value optimized out>
        cp = <value optimized out>
        written = <value optimized out>
#3  0x0000003e14475296 in malloc_printerr (action=3, 
    str=0x3e145532dd "malloc(): memory corruption", ptr=<value optimized out>)
    at malloc.c:6295
        buf = "00007f145d60f010"
        cp = <value optimized out>
#4  0x0000003e14478b58 in _int_malloc (av=0x7f1364000020, bytes=<value optimized out>)
    at malloc.c:4402
        iters = <value optimized out>
        nb = 336
        idx = <value optimized out>
        bin = <value optimized out>
        victim = 0x7f145d60f000
        size = <value optimized out>
        victim_index = <value optimized out>
        remainder = <value optimized out>
        remainder_size = <value optimized out>
        block = <value optimized out>
        bit = <value optimized out>
        map = <value optimized out>
        fwd = <value optimized out>
        bck = <value optimized out>
        errstr = 0x0
#5  0x0000003e144797d1 in __libc_malloc (bytes=321) at malloc.c:3660
        ar_ptr = 0x7f1364000020
        victim = <value optimized out>
        hook = <value optimized out>
#6  0x00000000004bcb2c in _ast_malloc (
    str=0x7f1366048748 "Event: Hangup\r\nPrivilege: call,all\r\nChannel: Bridge/Local/1019092827@agent-00050961;1<ZOMBIE>\r\nUniqueid: voice02-1370888911.1780526\r\nCallerIDNum: <unknown>\r\nCallerIDName: <unknown>\r\nConnectedLineNum: "..., category=2)
    at /usr/src/debug/asterisk-1.8.20.0/include/asterisk/utils.h:457
        p = <value optimized out>
#7  append_event (
    str=0x7f1366048748 "Event: Hangup\r\nPrivilege: call,all\r\nChannel: Bridge/Local/1019092827@agent-00050961;1<ZOMBIE>\r\nUniqueid: voice02-1370888911.1780526\r\nCallerIDNum: <unknown>\r\nCallerIDName: <unknown>\r\nConnectedLineNum: "..., category=2) at manager.c:5109
        tmp = <value optimized out>
        __PRETTY_FUNCTION__ = "append_event"
        seq = 81314724
#8  0x00000000004c9937 in __ast_manager_event_multichan (category=2, 
    event=0x53f6f8 "Hangup", chancount=1, chans=<value optimized out>, 
    file=0x7f128217ab98 "PVhğ\364ڠ0,,", line=<value optimized out>, 
    func=0x543f85 "ast_hangup", 
    fmt=0x541e00 "Channel: %s\r\nUniqueid: %s\r\nCallerIDNum: %s\r\nCallerIDName: %s\r\nConnectedLineNum: %s\r\nConnectedLineName: %s\r\nCause: %d\r\nCause-txt: %s\r\n")
    at manager.c:5210
        session = <value optimized out>
        hook = <value optimized out>
        auth = 0x7f128217a8f0
        cat_str = <value optimized out>
        ap = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7f128217ab50, 
            reg_save_area = 0x7f128217aa50}}
        now = <value optimized out>
        buf = 0x7f1366048730
        i = <value optimized out>
        __PRETTY_FUNCTION__ = "__ast_manager_event_multichan"
#9  0x000000000046613c in ast_hangup (chan=0x7f1365c9f698) at channel.c:2892
        _chans = {0x7f1365c9f698}
        extra_str = "0,,\000\023\177\000\000\230\366\311e\023\177\000\000\377\377\377\377\000\000\000\000\360\373\311e\023\177\000\000\300\271\027\202\022\177\000\000\200\254\027\202\022\177\000\000\003\000\000\000\000\000\000\000\230\366\311e\023\177\000"
        was_zombie = 16
        __PRETTY_FUNCTION__ = "ast_hangup"
#10 0x00000000004e1e33 in __ast_pbx_run (c=0x7f1365c9f698, args=0x0) at pbx.c:5479
        found = 1
        res = <value optimized out>
        autoloopflag = 0
        error = <value optimized out>
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#11 0x00000000004e300b in pbx_thread (data=<value optimized out>) at pbx.c:5571
        c = <value optimized out>
#12 0x000000000051db68 in dummy_start (data=<value optimized out>) at utils.c:1010
        __clframe = {__cancel_routine = <value optimized out>, 
          __cancel_arg = 0x7f128217b700, __do_it = 1, __cancel_type = 0}
        ret = <value optimized out>
        a = {start_routine = 0x4e3000 <pbx_thread>, data = 0x7f1365c9f698, 
          name = <value optimized out>}
#13 0x0000003607c077f1 in start_thread (arg=0x7f128217b700) at pthread_create.c:301
        __res = <value optimized out>
        pd = 0x7f128217b700
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139717468731136, 5181350175297600675, 
                139717484473008, 139717468731840, 0, 3, -5061238222042596189, 
                5155448431492562083}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 
              0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
#14 0x0000003e144e5ccd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115
No locals.