vim/backport-CVE-2025-1215.patch
2025-02-20 10:21:34 +08:00

125 lines
3.5 KiB
Diff

From c5654b84480822817bb7b69ebc97c174c91185e9 Mon Sep 17 00:00:00 2001
From: Hirohito Higashi <h.east.727@gmail.com>
Date: Mon, 10 Feb 2025 20:55:17 +0100
Subject: [PATCH] patch 9.1.1097: --log with non-existent path causes a crash
Problem: --log with non-existent path causes a crash
(Ekkosun)
Solution: split initialization phase and init the execution stack
earlier (Hirohito Higashi)
fixes: #16606
closes: #16610
Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
---
src/main.c | 21 +++++++++++++++++----
src/message_test.c | 3 ++-
src/proto/main.pro | 3 ++-
src/testdir/test_startup.vim | 7 +++++++
4 files changed, 28 insertions(+), 6 deletions(-)
diff --git a/src/main.c b/src/main.c
index ecc61f4d0be886..f603a52a52e09d 100644
--- a/src/main.c
+++ b/src/main.c
@@ -144,6 +144,11 @@ main
atexit(vim_mem_profile_dump);
#endif
+ /*
+ * Various initialisations #1 shared with tests.
+ */
+ common_init_1();
+
#if defined(STARTUPTIME) || defined(FEAT_JOB_CHANNEL)
// Need to find "--startuptime" and "--log" before actually parsing
// arguments.
@@ -185,9 +190,9 @@ main
#endif
/*
- * Various initialisations shared with tests.
+ * Various initialisations #2 shared with tests.
*/
- common_init(&params);
+ common_init_2(&params);
#ifdef VIMDLL
// Check if the current executable file is for the GUI subsystem.
@@ -900,10 +905,10 @@ vim_main2(void)
}
/*
- * Initialisation shared by main() and some tests.
+ * Initialisation #1 shared by main() and some tests.
*/
void
-common_init(mparm_T *paramp)
+common_init_1(void)
{
estack_init();
cmdline_init();
@@ -925,7 +930,15 @@ common_init(mparm_T *paramp)
|| (NameBuff = alloc(MAXPATHL)) == NULL)
mch_exit(0);
TIME_MSG("Allocated generic buffers");
+}
+
+/*
+ * Initialisation #2 shared by main() and some tests.
+ */
+ void
+common_init_2(mparm_T *paramp)
+{
#ifdef NBDEBUG
// Wait a moment for debugging NetBeans. Must be after allocating
// NameBuff.
diff --git a/src/message_test.c b/src/message_test.c
index 62f7772470d0e4..83767ece930899 100644
--- a/src/message_test.c
+++ b/src/message_test.c
@@ -508,7 +508,8 @@ main(int argc, char **argv)
CLEAR_FIELD(params);
params.argc = argc;
params.argv = argv;
- common_init(&params);
+ common_init_1();
+ common_init_2(&params);
set_option_value_give_err((char_u *)"encoding", 0, (char_u *)"utf-8", 0);
init_chartab();
diff --git a/src/proto/main.pro b/src/proto/main.pro
index 496fe66be6950d..7e4c50803e8ef2 100644
--- a/src/proto/main.pro
+++ b/src/proto/main.pro
@@ -1,6 +1,7 @@
/* main.c */
int vim_main2(void);
-void common_init(mparm_T *paramp);
+void common_init_1(void);
+void common_init_2(mparm_T *paramp);
int is_not_a_term(void);
int is_not_a_term_or_gui(void);
void free_vbuf(void);
diff --git a/src/testdir/test_startup.vim b/src/testdir/test_startup.vim
index 7c703916045e70..c16e4ae27de3b2 100644
--- a/src/testdir/test_startup.vim
+++ b/src/testdir/test_startup.vim
@@ -734,6 +734,13 @@ func Test_log()
call delete('Xlogfile')
endfunc
+func Test_log_nonexistent()
+ " this used to crash Vim
+ CheckFeature channel
+ let result = join(systemlist(GetVimCommand() .. ' --log /X/Xlogfile -c qa!'))
+ call assert_match("E484: Can't open file", result)
+endfunc
+
func Test_read_stdin()
let after =<< trim [CODE]
write Xtestout