#0  0x009c8416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0013add1 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <value optimized out>
        resultvar = <value optimized out>
        pid = 2547700
        selftid = 2653
#2  0x0013e2ae in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0xa5d, sa_sigaction = 0xa5d}, sa_mask = {__val = {2547700, 1, 3219554012, 3219553848, 2197013, 10781924, 134615392, 134517929, 134514296, 3219554012, 921, 3219553980, 134513144, 134513092, 3, 0, 1934961, 134517929, 134514280, 3219553908, 2547700, 7, 6, 3219554028, 2057546, 6, 3219553908, 4, 0, 3, 2, 2385496}}, sa_flags = 4, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x001714d7 in __libc_message (do_abort=2, fmt=0x24aa2c "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
        ap = 0xb7600468 "*** glibc detected *** lsusb: free(): invalid pointer: 0xb77f0000 ***\n"
        ap_copy = 0xb7600468 "*** glibc detected *** lsusb: free(): invalid pointer: 0xb77f0000 ***\n"
        fd = 6
        on_2 = <value optimized out>
        list = <value optimized out>
        nlist = <value optimized out>
        cp = <value optimized out>
        written = <value optimized out>
#4  0x0017b8c1 in malloc_printerr (action=<value optimized out>, str=<value optimized out>, ptr=0xb77f0000) at malloc.c:6283
        buf = "b77f0000"
        cp = <value optimized out>
#5  0x0017d1eb in _int_free (av=<value optimized out>, p=0xb77efff8) at malloc.c:4795
        size = <value optimized out>
        fb = <value optimized out>
        nextchunk = <value optimized out>
        nextsize = <value optimized out>
        nextinuse = <value optimized out>
        prevsize = <value optimized out>
        bck = <value optimized out>
        fwd = <value optimized out>
        errstr = <value optimized out>
        __func__ = "_int_free"
#6  0x0018037d in __libc_free (mem=0xb77f0000) at malloc.c:3738
        ar_ptr = 0x26f3c0
        p = <value optimized out>
        hook = <value optimized out>
#7  0x0086a52a in libusb_free_device_list (list=0xb77f0000, unref_devices=0) at ../../libusb/core.c:651
No locals.
#8  0x080528dc in list_devices (ctx=<value optimized out>, busnum=-1, devnum=-1, vendorid=-1, productid=-1) at ../lsusb.c:3881
        list = 0xb77f0000
        desc = {bLength = 23 '\027', bDescriptorType = 0 '\000', bcdUSB = 34544, bDeviceClass = 230 '\346', bDeviceSubClass = 191 '\277', bDeviceProtocol = 0 '\000', bMaxPacketSize0 = 0 '\000', idVendor = 0, idProduct = 14416, bcdDevice = 46976, iManufacturer = 108 'l', iProduct = 147 '\223', iSerialNumber = 134 '\206', bNumConfigurations = 0 '\000'}
        vendor = "Ubun\377\377\377\377\364\177\244\000\206\216\206\000\003\000\000\000\003\000\000\000\020\000\000\000\370\363&\000\377v$\000\030\000\000\000\001", '\000' <repeats 11 times>, "7C>\000\240L\021\000yW>\000\364\337&\000\300\363&\000\260\220\240\b]\n\000\000\364\337&\000 \220\240\b\260\220\240\b\330\206\346\277\366\345\036\000(\221\240\b\364?\207\000\030\207\346\277x\306\206\000(\221\240\b\260\300\000\000\b\215\206"
        product = "\000\200\206\000\240L\021\000\364?\207\000(\221\240\b\000\000\001\000H\207\346\277\240\353\243\000\000\000\000\000\364?\207\000\067C>\000\000\000\000\000yW>\000\221\332\206\000\260\220\240\b\005\000\000\000]\n\000\000\364\337&\000\260\220\240\b\340@\207\000H\207\346\277\366\345\036\000\340@\207\000\364?\207\000\210\207\346\277\002\250\206\000\340@\207\000\000\000\000\000x\206\004\b\000\000\000\000\230\211\206\000\001\000\000\000\244\210\346\277"
        status = <value optimized out>
        num_devs = -1
        i = <value optimized out>
#9  0x0804944f in main (argc=1, argv=0xbfe688a4) at ../lsusb.c:4045
        long_options = {{name = 0x8056f28 "version", has_arg = 0, flag = 0x0, val = 86}, {name = 0x80579d9 "verbose", has_arg = 0, flag = 0x0, val = 118}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
        ctx = 0x8a090b0
        c = <value optimized out>
        err = <value optimized out>
        treemode = 0
        bus = -1
        devnum = -1
        vendor = -1
        product = -1
        devdump = 0x0
        cp = <value optimized out>
        status = 0