#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {0, 0, 0, 0, 140726474192944, 94501016190527, 140726474192400, 16874503055865713152, 94501016190128, 2, 4691283957843, 31, 1088, 0, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007f5e92a0b859 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 0, 0, 4048793476714805152, 16874503055865713152, 140726474193184, 0, 31, 140726474192800, 140044169237337, 140726474193232, 140726474193184, 140044164092154, 0, 140726474193040, 140728825905153}}, sa_flags = 1870739744, sa_restorer = 0x7ffd6f813920}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f5e92a763ce in __libc_message (action=action@entry=do_abort, fmt=fmt@entry=0x7f5e92ba0285 "%s\n") at ../sysdeps/posix/libc_fatal.c:155
        ap = {{gp_offset = 24, fp_offset = 0, overflow_arg_area = 0x7ffd6f8138e0, reg_save_area = 0x7ffd6f813870}}
        fd = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
#3  0x00007f5e92a7e45c in malloc_printerr (str=str@entry=0x7f5e92ba2aa0 "malloc(): mismatching next->prev_size (unsorted)") at malloc.c:5347
No locals.
#4  0x00007f5e92a814bc in _int_malloc (av=av@entry=0x7f5e92bd1b80 <main_arena>, bytes=bytes@entry=128) at malloc.c:3741
        next = <optimized out>
        iters = <optimized out>
        nb = <optimized out>
        idx = 9
        bin = <optimized out>
        victim = <optimized out>
        size = <optimized out>
        victim_index = <optimized out>
        remainder = <optimized out>
        remainder_size = <optimized out>
        block = <optimized out>
        bit = <optimized out>
        map = <optimized out>
        fwd = <optimized out>
        bck = <optimized out>
        tcache_unsorted_count = 0
        tcache_nb = 144
        tc_idx = 7
        return_cached = <optimized out>
        __PRETTY_FUNCTION__ = "_int_malloc"
#5  0x00007f5e92a832b4 in __GI___libc_malloc (bytes=128) at malloc.c:3058
        ar_ptr = <optimized out>
        victim = <optimized out>
        hook = <optimized out>
        tbytes = <optimized out>
        tc_idx = <optimized out>
        __PRETTY_FUNCTION__ = "__libc_malloc"
#6  0x00007f5e92c9dc29 in operator new(unsigned long) () from /lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#7  0x00007f5e92ebbbb6 in void std::vector<HashString, std::allocator<HashString> >::_M_realloc_insert<HashString const&>(__gnu_cxx::__normal_iterator<HashString*, std::vector<HashString, std::allocator<HashString> > >, HashString const&) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#8  0x00007f5e92ebaab4 in HashStringList::push_back(HashString const&) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#9  0x00007f5e92edff9b in ?? () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#10 0x00007f5e92ee8dee in ?? () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#11 0x00007f5e92ee9389 in ?? () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#12 0x00007f5e92f4f64f in pkgSourceList::Type::ParseLine(std::vector<metaIndex*, std::allocator<metaIndex*> >&, char const*, unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#13 0x00007f5e92f5020a in ?? () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#14 0x00007f5e92f507b5 in pkgSourceList::ReadAppend(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#15 0x00007f5e92f50b43 in pkgSourceList::ReadMainList() () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#16 0x00007f5e92e86560 in pkgCacheFile::BuildSourceList(OpProgress*) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#17 0x00007f5e92e870fb in pkgCacheFile::BuildCaches(OpProgress*, bool) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#18 0x00007f5e92f01413 in pkgDPkgPM::Go(APT::Progress::PackageManager*) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#19 0x00007f5e92f31272 in pkgPackageManager::DoInstallPostFork(APT::Progress::PackageManager*) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#20 0x00007f5e92fda640 in InstallPackages(CacheFile&, bool, bool, bool) () from /lib/x86_64-linux-gnu/libapt-private.so.0.0
No symbol table info available.
#21 0x00007f5e9300a712 in ?? () from /lib/x86_64-linux-gnu/libapt-private.so.0.0
No symbol table info available.
#22 0x00007f5e9300a7ad in DoUpgrade(CommandLine&) () from /lib/x86_64-linux-gnu/libapt-private.so.0.0
No symbol table info available.
#23 0x00007f5e92e9f86f in CommandLine::DispatchArg(CommandLine::Dispatch const*, bool) () from /lib/x86_64-linux-gnu/libapt-pkg.so.6.0
No symbol table info available.
#24 0x00007f5e92fcf9c7 in DispatchCommandLine(CommandLine&, std::vector<CommandLine::Dispatch, std::allocator<CommandLine::Dispatch> > const&) () from /lib/x86_64-linux-gnu/libapt-private.so.0.0
No symbol table info available.
#25 0x000055f2ba7333ea in ?? ()
No symbol table info available.
#26 0x00007f5e92a0d0b3 in __libc_start_main (main=0x55f2ba733320, argc=2, argv=0x7ffd6f815678, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd6f815668) at ../csu/libc-start.c:308
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94500998560784, -5430916679404840092, 94500998558912, 140726474200688, 0, 0, 5430036096013867876, 5340327204215233380}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x2, 0x7ffd6f815678}, data = {prev = 0x0, cleanup = 0x0, canceltype = 2}}}
        not_first_call = <optimized out>
#27 0x000055f2ba7334ee in ?? ()
No symbol table info available.