foo.cpp

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Reading symbols from /home/ashkan/works/3rd/neovim/build/bin/nvim...
[New LWP 2684950]
[New LWP 2684951]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `/home/ashkan/works/3rd/neovim/build/bin/nvim'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00005614059fe945 in bufIsChanged (buf=0x0) at ../src/nvim/undo.c:2974
2974	  return !bt_dontwrite(buf) && (buf->b_changed || file_ff_differs(buf, true));
[Current thread is 1 (Thread 0x7f30b5781780 (LWP 2684950))]
(gdb) #0  0x00005614059fe945 in bufIsChanged (buf=0x0) at ../src/nvim/undo.c:2974
No locals.
#1  0x0000561405827c77 in ex_win_close (forceit=1, win=0x561407e47710, tp=0x0) at ../src/nvim/ex_docmd.c:6389
        need_hide = 32766
        buf = 0x0
#2  0x000056140576547c in nvim_win_close (window=1002, force=true, err=0x7ffee30cd110) at ../src/nvim/api/window.c:563
        win = 0x561407e47710
        tabpage = 0x56140785b1a0
        tstate = {current_exception = 0x0, private_msg_list = 0x0, msg_list = 0x7ffee30cd4a8, trylevel = 1, got_int = 0, need_rethrow = 0, did_emsg = 0}
#3  0x0000561405731381 in nlua_msgpack_nvim_win_close (lstate=0x40479378) at src/nvim/auto/msgpack_lua_c_bindings.generated.c:4816
        err = {type = kErrorTypeNone, msg = 0x0}
        arg2 = true
        arg1 = 1002
#4  0x0000561405ab8a1b in lj_BC_FUNCC ()
No symbol table info available.
#5  0x0000561405aa4afa in lua_pcall (L=0x40479378, nargs=<optimized out>, nresults=0, errfunc=<optimized out>) at lj_api.c:1129
        g = 0x404793b8
        oldh = 0 '\000'
        ef = <optimized out>
        status = <optimized out>
        __PRETTY_FUNCTION__ = "lua_pcall"
#6  0x000056140588f38b in executor_exec_lua_cb (ref=18, name=0x561405b0e4bb "detach", args=..., retval=false, err=0x0) at ../src/nvim/lua/executor.c:847
        lstate = 0x40479378
#7  0x0000561405777020 in buf_updates_unregister_all (buf=0x561407e2c1d0) at ../src/nvim/buffer_updates.c:160
        args = {items = 0x7ffee30cd2f0, size = 1, capacity = 0}
        items = {{type = kObjectTypeBuffer, data = {boolean = 2, integer = 2, floating = 9.8813129168249309e-324, string = {data = 0x2 <error: Cannot access memory at address 0x2>, size = 0}, array = {items = 0x2, size = 0, capacity = 0}, dictionary = {items = 0x2, size = 0, capacity = 0}, luaref = 2}}}
        cb = {on_lines = -2, on_changedtick = -2, on_detach = 18, utf_sizes = false}
        i = 0
        size = 0
#8  0x0000561405769ce2 in close_buffer (win=0x561407e47710, buf=0x561407e2c1d0, action=0, abort_if_last=true) at ../src/nvim/buffer.c:607
        unload_buf = true
        del_buf = true
        wipe_buf = true
        is_curwin = false
        the_curwin = 0x561407855260
        the_curtab = 0x56140785b1a0
        bufref = {br_buf = 0x561407e2c1d0, br_fnum = 2, br_buf_free_count = 0}
        nwindows = 1
        is_curbuf = false
#9  0x0000561405a265a5 in win_close (win=0x561407e47710, free_buf=false) at ../src/nvim/window.c:2541
        bufref = {br_buf = 0x561407857b00, br_fnum = 1, br_buf_free_count = 0}
        wp = 0x3ea0588d9b0
        other_buffer = 0
        close_curwin = 0
        dir = 126188288
        help_window = false
        prev_curtab = 0x56140785b1a0
        win_frame = 0x0
        had_diffmode = false
        was_floating = true
#10 0x0000561405827c66 in ex_win_close (forceit=1, win=0x561407e47710, tp=0x0) at ../src/nvim/ex_docmd.c:6386
        need_hide = 32766
        buf = 0x561407e2c1d0
#11 0x000056140576547c in nvim_win_close (window=1002, force=true, err=0x7ffee30cd500) at ../src/nvim/api/window.c:563
        win = 0x561407e47710
        tabpage = 0x56140785b1a0
        tstate = {current_exception = 0x0, private_msg_list = 0x0, msg_list = 0x0, trylevel = 0, got_int = 0, need_rethrow = 0, did_emsg = 0}
#12 0x0000561405731381 in nlua_msgpack_nvim_win_close (lstate=0x40479378) at src/nvim/auto/msgpack_lua_c_bindings.generated.c:4816
        err = {type = kErrorTypeNone, msg = 0x0}
        arg2 = true
        arg1 = 1002
#13 0x0000561405ab8a1b in lj_BC_FUNCC ()
No symbol table info available.
#14 0x0000561405aa4afa in lua_pcall (L=0x40479378, nargs=<optimized out>, nresults=0, errfunc=<optimized out>) at lj_api.c:1129
        g = 0x404793b8
        oldh = 0 '\000'
        ef = <optimized out>
        status = <optimized out>
        __PRETTY_FUNCTION__ = "lua_pcall"
#15 0x000056140588da0c in nlua_schedule_event (argv=0x7ffee30cd608) at ../src/nvim/lua/executor.c:224
        cb = 11
        lstate = 0x40479378
#16 0x00005614057f9bbe in multiqueue_process_events (this=0x5614078473b0) at ../src/nvim/event/multiqueue.c:157
        event = {handler = 0x56140588d9b0 <nlua_schedule_event>, argv = {0xb, 0xb, 0x0, 0x41aae180, 0x0, 0x7ffeffffffff, 0x0, 0x5, 0x0, 0x2}}
        __PRETTY_FUNCTION__ = "multiqueue_process_events"
#17 0x00005614058eec3e in nv_event (cap=0x7ffee30cd798) at ../src/nvim/normal.c:8049
        may_restart = false
#18 0x00005614058df3ea in normal_execute (state=0x7ffee30cd710, key=-26365) at ../src/nvim/normal.c:1131
        s = 0x7ffee30cd710
        __PRETTY_FUNCTION__ = "normal_execute"
#19 0x00005614059beb81 in state_enter (s=0x7ffee30cd710) at ../src/nvim/state.c:69
        check_result = 1
        key = -26365
        execute_result = 1
#20 0x00005614058dd6bf in normal_enter (cmdwin=false, noexmode=false) at ../src/nvim/normal.c:463
        state = {state = {check = 0x5614058df878 <normal_check>, execute = 0x5614058dec57 <normal_execute>}, command_finished = false, ctrl_w = false, need_flushbuf = false, set_prevcount = false, previous_got_int = false, cmdwin = false, noexmode = false, toplevel = true, oa = {op_type = 0, regname = 0, 
            motion_type = kMTLineWise, motion_force = 0, use_reg_one = false, inclusive = false, end_adjusted = false, start = {lnum = 0, col = 0, coladd = 0}, end = {lnum = 0, col = 0, coladd = 0}, cursor_start = {lnum = 0, col = 0, coladd = 0}, line_count = 0, empty = false, is_VIsual = false, start_vcol = 0, 
            end_vcol = 0, prev_opcount = 0, prev_count0 = 0}, ca = {oap = 0x7ffee30cd728, prechar = 0, cmdchar = -26365, nchar = 0, ncharC1 = 0, ncharC2 = 0, extra_char = 0, opcount = 0, count0 = 0, count1 = 1, arg = 0, retval = 0, searchbuf = 0x0}, mapped_len = 0, old_mapped_len = 0, idx = 183, c = -26365, 
          old_col = 1, old_pos = {lnum = 17, col = 0, coladd = 0}}
#21 0x0000561405893fab in main (argc=1, argv=0x7ffee30cda98) at ../src/nvim/main.c:577
        fname = 0x0
        params = {argc = 1, argv = 0x7ffee30cda98, use_vimrc = 0x0, n_commands = 0, commands = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, cmds_tofree = "\000\000\000\000\000\000\000\000\000", n_pre_commands = 0, pre_commands = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, edit_type = 0, 
          tagname = 0x0, use_ef = 0x0, input_isatty = true, output_isatty = true, err_isatty = true, no_swap_file = 0, use_debug_break_level = -1, window_count = 1, window_layout = 0, diff_mode = 0, listen_addr = 0x0}
        cwd = 0x0
        __PRETTY_FUNCTION__ = "main"
        use_remote_ui = false
        use_builtin_ui = true
        __func__ = "main"
(gdb) #0  0x00005614059fe945 in bufIsChanged (buf=0x0) at ../src/nvim/undo.c:2974
2974	  return !bt_dontwrite(buf) && (buf->b_changed || file_ff_differs(buf, true));
(gdb) #1  0x0000561405827c77 in ex_win_close (forceit=1, win=0x561407e47710, tp=0x0) at ../src/nvim/ex_docmd.c:6389
6389	  need_hide = (bufIsChanged(buf) && buf->b_nwindows <= 1);
(gdb) #2  0x000056140576547c in nvim_win_close (window=1002, force=true, err=0x7ffee30cd110) at ../src/nvim/api/window.c:563
563	  ex_win_close(force, win, tabpage == curtab ? NULL : tabpage);
(gdb) #3  0x0000561405731381 in nlua_msgpack_nvim_win_close (lstate=0x40479378) at src/nvim/auto/msgpack_lua_c_bindings.generated.c:4816
4816	  nvim_win_close(arg1, arg2, &err);
(gdb) #4  0x0000561405ab8a1b in lj_BC_FUNCC ()
(gdb) #5  0x0000561405aa4afa in lua_pcall (L=0x40479378, nargs=<optimized out>, nresults=0, errfunc=<optimized out>) at lj_api.c:1129
1129	  status = lj_vm_pcall(L, api_call_base(L, nargs), nresults+1, ef);
(gdb) #6  0x000056140588f38b in executor_exec_lua_cb (ref=18, name=0x561405b0e4bb "detach", args=..., retval=false, err=0x0) at ../src/nvim/lua/executor.c:847
847	  if (lua_pcall(lstate, (int)args.size+1, retval ? 1 : 0, 0)) {
(gdb) #7  0x0000561405777020 in buf_updates_unregister_all (buf=0x561407e2c1d0) at ../src/nvim/buffer_updates.c:160
160	      executor_exec_lua_cb(cb.on_detach, "detach", args, false, NULL);
(gdb) #8  0x0000561405769ce2 in close_buffer (win=0x561407e47710, buf=0x561407e2c1d0, action=0, abort_if_last=true) at ../src/nvim/buffer.c:607
607	  buf_updates_unregister_all(buf);
(gdb) #9  0x0000561405a265a5 in win_close (win=0x561407e47710, free_buf=false) at ../src/nvim/window.c:2541
2541	    close_buffer(win, win->w_buffer, free_buf ? DOBUF_UNLOAD : 0, true);
(gdb) #10 0x0000561405827c66 in ex_win_close (forceit=1, win=0x561407e47710, tp=0x0) at ../src/nvim/ex_docmd.c:6386
6386	    win_close(win, false);
(gdb) #11 0x000056140576547c in nvim_win_close (window=1002, force=true, err=0x7ffee30cd500) at ../src/nvim/api/window.c:563
563	  ex_win_close(force, win, tabpage == curtab ? NULL : tabpage);
(gdb) #12 0x0000561405731381 in nlua_msgpack_nvim_win_close (lstate=0x40479378) at src/nvim/auto/msgpack_lua_c_bindings.generated.c:4816
4816	  nvim_win_close(arg1, arg2, &err);
(gdb) #13 0x0000561405ab8a1b in lj_BC_FUNCC ()
(gdb) #14 0x0000561405aa4afa in lua_pcall (L=0x40479378, nargs=<optimized out>, nresults=0, errfunc=<optimized out>) at lj_api.c:1129
1129	  status = lj_vm_pcall(L, api_call_base(L, nargs), nresults+1, ef);
(gdb) #15 0x000056140588da0c in nlua_schedule_event (argv=0x7ffee30cd608) at ../src/nvim/lua/executor.c:224
224	  if (lua_pcall(lstate, 0, 0, 0)) {
(gdb) quit
           PID: 2684950 (nvim)
           UID: 1000 (ashkan)
           GID: 1000 (ashkan)
        Signal: 11 (SEGV)
     Timestamp: Tue 2019-12-24 08:15:09 PST (2min 49s ago)
  Command Line: /home/ashkan/works/3rd/neovim/build/bin/nvim
    Executable: /home/ashkan/works/3rd/neovim/build/bin/nvim
 Control Group: /user.slice/user-1000.slice/session-1.scope
          Unit: session-1.scope
         Slice: user-1000.slice
       Session: 1
     Owner UID: 1000 (ashkan)
       Boot ID: e843938073b843adb1bb280bb692c347
    Machine ID: 31f12102597b4dffb7b09d6c695b4971
      Hostname: zephyr
       Storage: /var/lib/systemd/coredump/core.nvim.1000.e843938073b843adb1bb280bb692c347.2684950.1577204109000000000000.lz4
       Message: Process 2684950 (nvim) of user 1000 dumped core.
                
                Stack trace of thread 2684950:
                #0  0x00005614059fe945 n/a (/home/ashkan/works/3rd/neovim/build/bin/nvim + 0x364945)
                #1  0x0000561405827c77 n/a (/home/ashkan/works/3rd/neovim/build/bin/nvim + 0x18dc77)
                #2  0x000056140576547c n/a (/home/ashkan/works/3rd/neovim/build/bin/nvim + 0xcb47c)
                #3  0x0000561405731381 n/a (/home/ashkan/works/3rd/neovim/build/bin/nvim + 0x97381)
                #4  0x0000561405ab8a1b n/a (/home/ashkan/works/3rd/neovim/build/bin/nvim + 0x41ea1b)