!669 fix-CVE-2024-47814
From: @fundawang Reviewed-by: @dillon_chen Signed-off-by: @dillon_chen
This commit is contained in:
commit
e7f42babfa
@ -11,7 +11,7 @@ Solution: Only check cursor line number.
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/move.c b/src/move.c
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index 6c654ac..4123ca8 100644
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index 1d7bcfb..3760042 100644
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--- a/src/move.c
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+++ b/src/move.c
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@@ -652,7 +652,7 @@ cursor_valid(void)
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@ -24,5 +24,5 @@ index 6c654ac..4123ca8 100644
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if ((curwin->w_valid & (VALID_WCOL|VALID_WROW)) != (VALID_WCOL|VALID_WROW))
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curs_columns(TRUE);
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--
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2.27.0
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2.33.0
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@ -12,7 +12,7 @@ Solution: Adjust the end mark position.
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2 files changed, 14 insertions(+)
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diff --git a/src/register.c b/src/register.c
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index 93860ba..30e2001 100644
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index 87689f7..51c14b8 100644
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--- a/src/register.c
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+++ b/src/register.c
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@@ -1918,6 +1918,8 @@ do_put(
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@ -25,7 +25,7 @@ index 93860ba..30e2001 100644
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// may insert some spaces after the new text
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diff --git a/src/testdir/test_put.vim b/src/testdir/test_put.vim
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index aa5aa2b..66438bd 100644
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index 6df04cf..c8d306a 100644
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--- a/src/testdir/test_put.vim
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+++ b/src/testdir/test_put.vim
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@@ -219,5 +219,17 @@ func Test_put_empty_register()
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118
fix-CVE-2024-47814.patch
Normal file
118
fix-CVE-2024-47814.patch
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@ -0,0 +1,118 @@
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From 51b62387be93c65fa56bbabe1c3c1ea5df187641 Mon Sep 17 00:00:00 2001
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From: Christian Brabandt <cb@256bit.org>
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Date: Tue, 8 Oct 2024 09:09:11 +0800
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Subject: [PATCH] fix CVE-2024-47814
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Problem: [security]: use-after-free when closing a buffer
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Solution: When splitting the window and editing a new buffer,
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check whether the newly to be edited buffer has been marked
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for deletion and abort in this case
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Github Advisory:
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https://github.com/vim/vim/security/advisories/GHSA-rj48-v4mq-j4vg
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Signed-off-by: Christian Brabandt <cb@256bit.org>
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---
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src/buffer.c | 7 +++++++
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src/ex_cmds.c | 12 ++++++++++++
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src/proto/buffer.pro | 1 +
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src/testdir/test_autocmd.vim | 19 +++++++++++++++++++
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src/version.c | 2 ++
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5 files changed, 41 insertions(+)
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diff --git a/src/buffer.c b/src/buffer.c
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index 8ea57f7..1f71e38 100644
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--- a/src/buffer.c
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+++ b/src/buffer.c
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@@ -470,6 +470,13 @@ can_unload_buffer(buf_T *buf)
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return can_unload;
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}
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+ int
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+buf_locked(buf_T *buf)
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+{
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+ return buf->b_locked || buf->b_locked_split;
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+}
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+
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+
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/*
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* Close the link to a buffer.
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* "action" is used when there is no longer a window for the buffer.
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diff --git a/src/ex_cmds.c b/src/ex_cmds.c
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index 853df4b..92b5e9f 100644
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--- a/src/ex_cmds.c
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+++ b/src/ex_cmds.c
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@@ -2692,6 +2692,18 @@ do_ecmd(
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}
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if (buf == NULL)
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goto theend;
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+ // autocommands try to edit a file that is goind to be removed,
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+ // abort
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+ if (buf_locked(buf))
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+ {
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+ // window was split, but not editing the new buffer,
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+ // reset b_nwindows again
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+ if (oldwin == NULL
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+ && curwin->w_buffer != NULL
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+ && curwin->w_buffer->b_nwindows > 1)
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+ --curwin->w_buffer->b_nwindows;
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+ goto theend;
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+ }
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if (curwin->w_alt_fnum == buf->b_fnum && prev_alt_fnum != 0)
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// reusing the buffer, keep the old alternate file
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curwin->w_alt_fnum = prev_alt_fnum;
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diff --git a/src/proto/buffer.pro b/src/proto/buffer.pro
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index 094feed..031e64a 100644
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--- a/src/proto/buffer.pro
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+++ b/src/proto/buffer.pro
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@@ -70,4 +70,5 @@ char_u *buf_get_fname(buf_T *buf);
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void set_buflisted(int on);
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int buf_contents_changed(buf_T *buf);
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void wipe_buffer(buf_T *buf, int aucmd);
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+int buf_locked(buf_T *buf);
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/* vim: set ft=c : */
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diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
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index d8738c8..e251112 100644
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--- a/src/testdir/test_autocmd.vim
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+++ b/src/testdir/test_autocmd.vim
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@@ -3633,4 +3633,23 @@ func Test_autocmd_split_dummy()
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call delete('Xerr')
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endfunc
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+" This was using freed memory
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+func Test_autocmd_BufWinLeave_with_vsp()
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+ new
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+ let fname = 'XXXBufWinLeaveUAF.txt'
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+ let dummy = 'XXXDummy.txt'
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+ call writefile([], fname)
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+ call writefile([], dummy)
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+ defer delete(fname)
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+ defer delete(dummy)
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+ exe "e " fname
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+ vsp
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+ augroup testing
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+ exe "au BufWinLeave " .. fname .. " :e " dummy .. "| vsp " .. fname
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+ augroup END
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+ bw
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+ call CleanUpTestAuGroup()
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+ exe "bw! " .. dummy
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+endfunc
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+
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" vim: shiftwidth=2 sts=2 expandtab
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diff --git a/src/version.c b/src/version.c
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index 2de8fd2..5946644 100644
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--- a/src/version.c
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+++ b/src/version.c
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@@ -735,6 +735,8 @@ static char *(features[]) =
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static int included_patches[] =
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{ /* Add new patch number below this line */
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+/**/
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+ 679,
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/**/
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678,
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/**/
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--
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2.43.0
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42
vim-Add-sw64-architecture.patch
Normal file
42
vim-Add-sw64-architecture.patch
Normal file
@ -0,0 +1,42 @@
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From 5c8a08bf2260585ffd0202f3506456e53b74e987 Mon Sep 17 00:00:00 2001
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From: wzx <wuzx1226@qq.com>
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Date: Thu, 24 Nov 2022 14:10:28 +0800
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Subject: [PATCH] Add sw64 architecture
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Add sw64 architecture in file runtime/syntax/debcontrol.vim and src/osdef1.h.in to support sw64 architecture.
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Signed-off-by: wzx <wuzx1226@qq.com>
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---
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runtime/syntax/debcontrol.vim | 2 +-
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src/osdef1.h.in | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/runtime/syntax/debcontrol.vim b/runtime/syntax/debcontrol.vim
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index 9085cd0..5c945c4 100644
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--- a/runtime/syntax/debcontrol.vim
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+++ b/runtime/syntax/debcontrol.vim
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@@ -28,7 +28,7 @@ syn match debControlSpace "[ \t]"
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let s:kernels = ['linux', 'hurd', 'kfreebsd', 'knetbsd', 'kopensolaris', 'netbsd']
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let s:archs = [
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- \ 'alpha', 'amd64', 'armeb', 'armel', 'armhf', 'arm64', 'avr32', 'hppa'
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+ \ 'alpha', 'sw_64', 'amd64', 'armeb', 'armel', 'armhf', 'arm64', 'avr32', 'hppa'
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\, 'i386', 'ia64', 'lpia', 'm32r', 'm68k', 'mipsel', 'mips64el', 'mips'
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\, 'powerpcspe', 'powerpc', 'ppc64el', 'ppc64', 'riscv64', 's390x', 's390', 'sh3eb'
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\, 'sh3', 'sh4eb', 'sh4', 'sh', 'sparc64', 'sparc', 'x32'
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diff --git a/src/osdef1.h.in b/src/osdef1.h.in
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index 825fe94..f8c3b9d 100644
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--- a/src/osdef1.h.in
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+++ b/src/osdef1.h.in
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@@ -132,7 +132,7 @@ extern char *getcwd(char *, int);
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#else
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extern char *getwd(char *);
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#endif
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-#ifndef __alpha /* suggested by Campbell */
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+#if !defined __alpha && !defined __sw_64 /* suggested by Campbell */
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extern int ioctl(int, int, ...);
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#endif
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extern int chmod(const char *, mode_t);
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--
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2.33.0
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14
vim.spec
14
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: 26
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Release: 28
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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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@ -128,6 +128,8 @@ Patch6098: backport-CVE-2024-43374.patch
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Patch6099: backport-CVE-2024-43802.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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Patch9002: fix-CVE-2024-47814.patch
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BuildRequires: autoconf python3-devel ncurses-devel gettext perl-devel perl-generators gcc
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BuildRequires: perl(ExtUtils::Embed) perl(ExtUtils::ParseXS) libacl-devel gpm-devel file
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@ -414,7 +416,7 @@ touch %{buildroot}%{_datadir}/%{name}/vimfiles/doc/tags
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chrpath -d %{buildroot}%{_bindir}/vim
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chrpath -d %{buildroot}%{_bindir}/xxd
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mkdir -p %{buildroot}/etc/ld.so.conf.d
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echo "%{_libdir}/perl5/CORE" > %{buildroot}/etc/ld.so.conf.d/%{name}-%{_arch}.conf
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@ -432,7 +434,7 @@ popd
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%check
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%if "%{_gpg_name}" == "private OBS"
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export TERM=xterm
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LC_ALL=en_US.UTF-8 make -j1 test
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LANG=en_US.UTF-8 make -j1 test
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%endif
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%files common
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@ -535,6 +537,12 @@ 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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* Tue Oct 08 2024 changtao <changtao@kylinos.cn> - 2:9.0-28
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- Type:CVE
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- ID:CVE-2024-47814
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- SUG:NA
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- DESC:fix CVE-2024-47814
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* Thu Aug 29 2024 wangjiang <app@cameyan.com> - 2:9.0-26
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- Type:CVE
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- ID:CVE-2024-43802
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