#0  0x00007fd08d0f7f77 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 3885
        selftid = 4047
#1  0x00007fd08d0fb5e8 in __GI_abort () at abort.c:90
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x7fff482e08e9, sa_sigaction = 0x7fff482e08e9}, sa_mask = {__val = {140533697886212, 140533535602533, 566, 18446532963182051328, 140533696505809, 140533710204357, 140734404364577, 12884852735, 4, 140532793342688, 0, 0, 0, 140533697885555, 140533573451776, 140533710204357}}, sa_flags = -2089289871, sa_restorer = 0x7fd08377f870}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fd08d0f0d43 in __assert_fail_base (fmt=0x7fd08de02dc5 <Address 0x7fd08de02dc5 out of bounds>, assertion=assertion@entry=0x7fd08377f771 "(signed)*pos != -1", file=file@entry=0x7fd08377f765 "searching.c", line=line@entry=566, function=function@entry=0x7fd08377f870 "dvdnav_get_position") at assert.c:92
        str = 0x7fd0600dd780 ""
        total = 4096
#3  0x00007fd08d0f0df2 in __GI___assert_fail (assertion=0x7fd08377f771 "(signed)*pos != -1", file=0x7fd08377f765 "searching.c", line=566, function=0x7fd08377f870 "dvdnav_get_position") at assert.c:101
No locals.
#4  0x00007fd08377807b in dvdnav_get_position () from /usr/lib/x86_64-linux-gnu/libdvdnav.so.4
No symbol table info available.
#5  0x00007fd08398b9c0 in ?? () from /usr/lib/vlc/plugins/access/libdvdnav_plugin.so
No symbol table info available.
#6  0x00007fd08d8f362c in ?? () from /usr/lib/libvlccore.so.5
No symbol table info available.
#7  0x00007fd08d8f8e55 in ?? () from /usr/lib/libvlccore.so.5
No symbol table info available.
#8  0x00007fd08d8f9955 in ?? () from /usr/lib/libvlccore.so.5
No symbol table info available.
#9  0x00007fd08d693f6e in start_thread (arg=0x7fd0573a0700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7fd0573a0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140532793345792, -1084136161238854126, 0, 140533410324896, 140533711322560, 21, 1104773427515086354, 1104865380668397074}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0x00007fd08d1baecd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.