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authorBram Moolenaar <Bram@vim.org>2020-01-07 20:11:42 +0100
committerBram Moolenaar <Bram@vim.org>2020-01-07 20:11:42 +0100
commitce6db0273f2c4359f48d75103a42991aa481f14e (patch)
tree1cb0e8a9563a92d4a92ff9ae0f00b0b6998e6c27 /src
parentfbcdf671f08cd2c7e60f35574231df0421112d99 (diff)
patch 8.2.0097: crash with autocommand and spellfilev8.2.0097
Problem: Crash with autocommand and spellfile. (Tim Pope) Solution: Do not pop exestack when not pushed. (closes #5450)
Diffstat (limited to 'src')
-rw-r--r--src/spellfile.c5
-rw-r--r--src/testdir/test_autocmd.vim22
-rw-r--r--src/version.c2
3 files changed, 28 insertions, 1 deletions
diff --git a/src/spellfile.c b/src/spellfile.c
index 6cad202fd3..fa450f33dd 100644
--- a/src/spellfile.c
+++ b/src/spellfile.c
@@ -352,6 +352,7 @@ spell_load_file(
slang_T *lp = NULL;
int c = 0;
int res;
+ int did_estack_push = FALSE;
fd = mch_fopen((char *)fname, "r");
if (fd == NULL)
@@ -392,6 +393,7 @@ spell_load_file(
// Set sourcing_name, so that error messages mention the file name.
estack_push(ETYPE_SPELL, fname, 0);
+ did_estack_push = TRUE;
/*
* <HEADER>: <fileID>
@@ -578,7 +580,8 @@ endFAIL:
endOK:
if (fd != NULL)
fclose(fd);
- estack_pop();
+ if (did_estack_push)
+ estack_pop();
return lp;
}
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index ab02402398..23deec6c30 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -2335,3 +2335,25 @@ func Test_BufWrite_lockmarks()
call delete('Xtest')
call delete('Xtest2')
endfunc
+
+func Test_FileType_spell()
+ if !isdirectory('/tmp')
+ throw "Skipped: requires /tmp directory"
+ endif
+
+ " this was crashing with an invalid free()
+ setglobal spellfile=/tmp/en.utf-8.add
+ augroup crash
+ autocmd!
+ autocmd BufNewFile,BufReadPost crashfile setf somefiletype
+ autocmd BufNewFile,BufReadPost crashfile set ft=anotherfiletype
+ autocmd FileType anotherfiletype setlocal spell
+ augroup END
+ func! NoCrash() abort
+ edit /tmp/crashfile
+ endfunc
+ call NoCrash()
+
+ au! crash
+ setglobal spellfile=
+endfunc
diff --git a/src/version.c b/src/version.c
index f51df26c4b..b476e25a4c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@ static char *(features[]) =
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 97,
+/**/
96,
/**/
95,