backport upstream patch to fix memory leak
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From af043e12d9e5869c597de40b9a2517ae97ac72e7 Mon Sep 17 00:00:00 2001
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From: Bram Moolenaar <Bram@vim.org>
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Date: Sat, 2 Jul 2022 12:08:16 +0100
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Subject: [PATCH] patch 9.0.0024: may access part of typeahead buf that isn't
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filled
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Problem: May access part of typeahead buf that isn't filled.
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Solution: Check length of typeahead.
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---
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src/getchar.c | 3 ++-
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files changed, 2 insertions(+), 1 deletion(-)
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diff --git a/src/getchar.c b/src/getchar.c
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index 210a67acad59..12fd1c9146b3 100644
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--- a/src/getchar.c
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+++ b/src/getchar.c
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@@ -2437,7 +2437,8 @@ handle_mapping(
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int is_plug_map = FALSE;
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// If typehead starts with <Plug> then remap, even for a "noremap" mapping.
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- if (typebuf.tb_buf[typebuf.tb_off] == K_SPECIAL
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+ if (typebuf.tb_len >= 3
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+ && typebuf.tb_buf[typebuf.tb_off] == K_SPECIAL
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&& typebuf.tb_buf[typebuf.tb_off + 1] == KS_EXTRA
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&& typebuf.tb_buf[typebuf.tb_off + 2] == KE_PLUG)
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is_plug_map = TRUE;
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@ -0,0 +1,57 @@
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From e1121b139480f53d1b06f84f3e4574048108fa0b Mon Sep 17 00:00:00 2001
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From: Pavel Mayorov <pmayorov@cloudlinux.com>
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Date: Mon, 20 Feb 2023 14:35:20 +0000
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Subject: [PATCH] patch 9.0.1331: illegal memory access when using :ball in
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Visual mode
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Problem: Illegal memory access when using :ball in Visual mode.
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Solution: Stop Visual mode when using :ball. (Pavel Mayorov, closes #11923)
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---
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src/buffer.c | 4 ++++
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src/testdir/test_visual.vim | 19 +++++++++++++++++++++
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2 files changed, 23 insertions(+)
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diff --git a/src/buffer.c b/src/buffer.c
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index cb7bdf445dee..ff35729fb929 100644
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--- a/src/buffer.c
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+++ b/src/buffer.c
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@@ -5319,6 +5319,10 @@ ex_buffer_all(exarg_T *eap)
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else
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all = TRUE;
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+ // Stop Visual mode, the cursor and "VIsual" may very well be invalid after
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+ // switching to another buffer.
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+ reset_VIsual_and_resel();
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+
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setpcmark();
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#ifdef FEAT_GUI
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diff --git a/src/testdir/test_visual.vim b/src/testdir/test_visual.vim
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index 295e16f93d9d..f152e7b79ba8 100644
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--- a/src/testdir/test_visual.vim
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+++ b/src/testdir/test_visual.vim
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@@ -1493,5 +1493,24 @@ func Test_visual_area_adjusted_when_hiding()
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bwipe!
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endfunc
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+" Check fix for the heap-based buffer overflow bug found in the function
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+" utfc_ptr2len and reported at
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+" https://huntr.dev/bounties/ae933869-a1ec-402a-bbea-d51764c6618e
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+func Test_heap_buffer_overflow()
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+ enew
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+ set updatecount=0
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+
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+ norm R0
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+ split other
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+ norm R000
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+ exe "norm \<C-V>l"
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+ ball
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+ call assert_equal(getpos("."), getpos("v"))
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+ call assert_equal('n', mode())
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+ norm zW
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+
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+ %bwipe!
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+ set updatecount&
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+endfunc
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" vim: shiftwidth=2 sts=2 expandtab
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10
vim.spec
10
vim.spec
@ -12,7 +12,7 @@
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Name: vim
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Epoch: 2
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Version: 9.0
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Release: 9
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Release: 10
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Summary: Vim is a highly configurable text editor for efficiently creating and changing any kind of text.
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License: Vim and MIT
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URL: http://www.vim.org
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@ -87,6 +87,8 @@ Patch6057: backport-CVE-2023-0054.patch
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Patch6058: backport-CVE-2022-47024.patch
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Patch6059: backport-CVE-2023-0288.patch
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Patch6060: backport-CVE-2023-0433.patch
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Patch6061: backport-patch-9.0.0024-may-access-part-of-typeahead-buf-that-is-not-filled.patch
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Patch6062: backport-patch-9.0.1331-illegal-memory-access-when-using-ball-in-Visual-mode.patch
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Patch9000: bugfix-rm-modify-info-version.patch
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Patch9001: vim-Add-sw64-architecture.patch
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@ -495,6 +497,12 @@ LC_ALL=en_US.UTF-8 make -j1 test
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%{_mandir}/man1/evim.*
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%changelog
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* Wed Feb 22 2023 wangjiang <wangjiang37@h-partners.com> - 2:9.0-10
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- Type:bugfix
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- ID:NA
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- SUG:NA
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- DESC:backport upstream patch to fix memory leak
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* Mon Feb 06 2023 wangjiang <wangjiang37@h-partners.com> - 2:9.0-9
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- Type:CVE
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- ID:CVE-2023-0433
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