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vim-patch:8.0.1750: crash clearing location list #9968

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Problem:    Crash when clearing loccation list in autocommand.
Solution:   Check if "qi" equals "ql_info". (Yegappan Lakshmanan)
3b9474b4ad
This commit is contained in:
Justin M. Keyes
2019-05-05 23:17:34 +02:00
parent 4b65a0059a
commit 4658e9c1d9
2 changed files with 17 additions and 6 deletions
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5
src/nvim/quickfix.c
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@@ -5399,9 +5399,6 @@ void ex_helpgrep(exarg_T *eap)
} }
} }
// Autocommands may change the list. Save it for later comparison
qf_info_T *save_qi = qi;
regmatch.regprog = vim_regcomp(eap->arg, RE_MAGIC + RE_STRING); regmatch.regprog = vim_regcomp(eap->arg, RE_MAGIC + RE_STRING);
regmatch.rm_ic = FALSE; regmatch.rm_ic = FALSE;
if (regmatch.regprog != NULL) { if (regmatch.regprog != NULL) {
@@ -5499,7 +5496,7 @@ void ex_helpgrep(exarg_T *eap)
if (au_name != NULL) { if (au_name != NULL) {
apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name, apply_autocmds(EVENT_QUICKFIXCMDPOST, au_name,
curbuf->b_fname, true, curbuf); curbuf->b_fname, true, curbuf);
if (!new_qi && qi != save_qi && qf_find_buf(qi) == NULL) { if (!new_qi && qi != &ql_info && qf_find_buf(qi) == NULL) {
// autocommands made "qi" invalid // autocommands made "qi" invalid
return; return;
} }

14
src/nvim/testdir/test_quickfix.vim
View File

@@ -2968,6 +2968,20 @@ func Test_qfwin_pos()
close close
endfunc endfunc
" The following test used to crash Vim
func Test_lhelpgrep_autocmd()
lhelpgrep quickfix
autocmd QuickFixCmdPost * call setloclist(0, [], 'f')
lhelpgrep buffer
call assert_equal('help', &filetype)
call assert_equal(0, getloclist(0, {'nr' : '$'}).nr)
lhelpgrep tabpage
call assert_equal('help', &filetype)
call assert_equal(1, getloclist(0, {'nr' : '$'}).nr)
au! QuickFixCmdPost
new | only
endfunc
" Test to make sure that an empty quickfix buffer is not reused for loading " Test to make sure that an empty quickfix buffer is not reused for loading
" a normal buffer. " a normal buffer.
func Test_empty_qfbuf() func Test_empty_qfbuf()