On 23 July 2014, Bram Moolenaar <[email protected]> wrote:
> 
> Lcd wrote:
> 
> >     Scenario:
> > 
> > (1) set a loclist:
> > 
> >         call setloclist(0, list)
> > 
> > (2) at some point later replace the list:
> > 
> >         call setloclist(0, other_list, 'r')
> > 
> > (3) open the quickfix window
> > 
> >         lopen
> > 
> > (4) switch to the quickfix window and press Enter to jump to an error:
> > 
> >         .ll
> > 
> >     The result is a read from free'd memory; valgrind trace included
> > below.  It's easy to make Vim crash from there, but the stack trace
> > doesn't reveal any additional information.
> >
> >     Sadly, this is not consistently reproducible.  I can trigger it
> > in syntastic, but I can't seem to get the same result in a simple
> > test file.
>
> I have sent out patch 7.4.379.  Can you check that this fixes the
> problem?

    That was something I tried too, but it doesn't work; new valgrind
trace included below.

    However, try as I might I can't reproduce the problem in a simpler
setup, and that suggests the bug might be completely unrelated to
setloclist().  The closest approximation of a rational explanation that
I have so far is a scenario I accidentally run into yesterday, involving
calling a void function in a non-void context.  E.g.:

        function! s:foo()
            let var = 1
        endfunction

        if s:foo()
            " do something
        endif

    That happened because I deleted the return statement in s:foo()
while refactoring it.  To my surprise Vim didn't complain.  My script
jumped at some ranmdom place, but otherwise happily went on.  I'm not
familiar enough with the code to attempt a fix to that.

    /lcd


==00:00:00:00.000 21465== Memcheck, a memory error detector
==00:00:00:00.000 21465== Copyright (C) 2002-2012, and GNU GPL'd, by Julian 
Seward et al.
==00:00:00:00.000 21465== Using Valgrind-3.8.1 and LibVEX; rerun with -h for 
copyright info
==00:00:00:00.000 21465== Command: ./vim Ejecta.js
==00:00:00:00.000 21465== Parent PID: 10413
==00:00:00:00.000 21465== 
==00:00:00:22.696 21465== Invalid read of size 4
==00:00:00:22.696 21465==    at 0x814C5FD: qf_jump (quickfix.c:1798)
==00:00:00:22.696 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.696 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.696 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.696 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.696 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.696 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.696 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.696 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.696 21465==  Address 0xbe30e54 is 12 bytes inside a block of size 
36 free'd
==00:00:00:22.696 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.696 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.696 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.696 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.696 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.696 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.696 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.696 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.696 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.696 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.696 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.696 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.696 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.696 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.696 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.696 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.696 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.696 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.696 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.696 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.696 21465== 
==00:00:00:22.698 21465== Invalid read of size 1
==00:00:00:22.698 21465==    at 0x814C60B: qf_jump (quickfix.c:1800)
==00:00:00:22.698 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.698 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.698 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.698 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.698 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.698 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.698 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.698 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.698 21465==  Address 0xbe30e6a is 34 bytes inside a block of size 
36 free'd
==00:00:00:22.698 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.698 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.698 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.698 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.698 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.698 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.698 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.698 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.698 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.698 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.698 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.698 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.698 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.698 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.698 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.698 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.698 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.698 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.698 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.698 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.698 21465== 
==00:00:00:22.700 21465== Invalid read of size 4
==00:00:00:22.700 21465==    at 0x814C69B: qf_jump (quickfix.c:1815)
==00:00:00:22.700 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.700 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.700 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.700 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.700 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.700 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.700 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.700 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.700 21465==  Address 0xbe30e54 is 12 bytes inside a block of size 
36 free'd
==00:00:00:22.700 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.700 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.700 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.700 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.700 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.700 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.700 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.700 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.700 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.700 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.700 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.700 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.700 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.700 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.700 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.700 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.700 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.700 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.700 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.700 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.700 21465== 
==00:00:00:22.703 21465== Invalid read of size 4
==00:00:00:22.703 21465==    at 0x814C6DF: qf_jump (quickfix.c:1825)
==00:00:00:22.703 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.703 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.703 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.703 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.703 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.703 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.703 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.703 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.703 21465==  Address 0xbe30e60 is 24 bytes inside a block of size 
36 free'd
==00:00:00:22.703 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.703 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.703 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.703 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.703 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.703 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.703 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.703 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.703 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.703 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.703 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.703 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.703 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.703 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.703 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.703 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.703 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.703 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.703 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.703 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.703 21465== 
==00:00:00:22.704 21465== Invalid read of size 4
==00:00:00:22.704 21465==    at 0x814C6ED: qf_jump (quickfix.c:1830)
==00:00:00:22.704 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.704 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.704 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.704 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.704 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.704 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.704 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.704 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.704 21465==  Address 0xbe30e50 is 8 bytes inside a block of size 
36 free'd
==00:00:00:22.705 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.705 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.705 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.705 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.705 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.705 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.705 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.705 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.705 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.705 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.705 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.705 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.705 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.705 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.705 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.705 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.705 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.705 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.705 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.705 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.705 21465== 
==00:00:00:22.706 21465== Invalid read of size 4
==00:00:00:22.706 21465==    at 0x814C71D: qf_jump (quickfix.c:1837)
==00:00:00:22.706 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.706 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.706 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.706 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.707 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.707 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.707 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.707 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.707 21465==  Address 0xbe30e58 is 16 bytes inside a block of size 
36 free'd
==00:00:00:22.707 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.707 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.707 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.707 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.707 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.707 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.707 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.707 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.707 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.707 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.707 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.707 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.707 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.707 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.707 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.707 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.707 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.707 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.707 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.707 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.707 21465== 
==00:00:00:22.708 21465== Invalid read of size 4
==00:00:00:22.708 21465==    at 0x814C730: qf_jump (quickfix.c:1839)
==00:00:00:22.708 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.708 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.708 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.708 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.708 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.708 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.709 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.709 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.709 21465==  Address 0xbe30e58 is 16 bytes inside a block of size 
36 free'd
==00:00:00:22.709 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.709 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.709 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.709 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.709 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.709 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.709 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.709 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.709 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.709 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.709 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.709 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.709 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.709 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.709 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.709 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.709 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.709 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.709 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.709 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.709 21465== 
==00:00:00:22.710 21465== Invalid read of size 1
==00:00:00:22.710 21465==    at 0x814C73A: qf_jump (quickfix.c:1840)
==00:00:00:22.710 21465==    by 0x814E93C: ex_cc (quickfix.c:3006)
==00:00:00:22.710 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.710 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.710 21465==    by 0x80A576C: do_cmdline_cmd (ex_docmd.c:731)
==00:00:00:22.710 21465==    by 0x8123D70: nv_down (normal.c:6106)
==00:00:00:22.710 21465==    by 0x811BD9B: normal_cmd (normal.c:1160)
==00:00:00:22.710 21465==    by 0x81F3ADE: main_loop (main.c:1326)
==00:00:00:22.710 21465==    by 0x81F349A: main (main.c:1026)
==00:00:00:22.710 21465==  Address 0xbe30e68 is 32 bytes inside a block of size 
36 free'd
==00:00:00:22.710 21465==    at 0x402A17C: free (in 
/usr/lib/valgrind/vgpreload_memcheck-x86-linux.so)
==00:00:00:22.710 21465==    by 0x810C416: vim_free (misc2.c:1740)
==00:00:00:22.710 21465==    by 0x814D1F4: qf_free (quickfix.c:2164)
==00:00:00:22.710 21465==    by 0x81500AD: set_errorlist (quickfix.c:3859)
==00:00:00:22.710 21465==    by 0x80879FC: set_qf_ll_list (eval.c:16825)
==00:00:00:22.710 21465==    by 0x8087A5F: f_setloclist (eval.c:16846)
==00:00:00:22.710 21465==    by 0x807D24D: call_func (eval.c:8596)
==00:00:00:22.710 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.710 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.710 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.710 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.710 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.710 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.710 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.710 21465==    by 0x8076BB3: ex_call (eval.c:3487)
==00:00:00:22.710 21465==    by 0x80A83CB: do_one_cmd (ex_docmd.c:2701)
==00:00:00:22.710 21465==    by 0x80A5EE0: do_cmdline (ex_docmd.c:1126)
==00:00:00:22.710 21465==    by 0x8091F93: call_user_func (eval.c:23507)
==00:00:00:22.710 21465==    by 0x807D13C: call_func (eval.c:8567)
==00:00:00:22.710 21465==    by 0x807CD91: get_func_tv (eval.c:8403)
==00:00:00:22.710 21465== 
==00:00:00:33.702 21465== 
==00:00:00:33.704 21465== HEAP SUMMARY:
==00:00:00:33.704 21465==     in use at exit: 2,763,430 bytes in 66,970 blocks
==00:00:00:33.704 21465==   total heap usage: 483,188 allocs, 416,218 frees, 
214,644,427 bytes allocated
==00:00:00:33.704 21465== 
==00:00:00:33.792 21465== LEAK SUMMARY:
==00:00:00:33.792 21465==    definitely lost: 3,456 bytes in 6 blocks
==00:00:00:33.792 21465==    indirectly lost: 0 bytes in 0 blocks
==00:00:00:33.792 21465==      possibly lost: 1,190,119 bytes in 32,852 blocks
==00:00:00:33.792 21465==    still reachable: 1,569,855 bytes in 34,112 blocks
==00:00:00:33.792 21465==         suppressed: 0 bytes in 0 blocks
==00:00:00:33.792 21465== Rerun with --leak-check=full to see details of leaked 
memory
==00:00:00:33.792 21465== 
==00:00:00:33.792 21465== For counts of detected and suppressed errors, rerun 
with: -v
==00:00:00:33.792 21465== ERROR SUMMARY: 8 errors from 8 contexts (suppressed: 
0 from 0)

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