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!8 fix stack overflow in print_usage

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From: @geruijun
Reviewed-by: @wubo009
Signed-off-by: @wubo009
This commit is contained in:
openeuler-ci-bot 2021-09-10 08:17:42 +00:00 committed by Gitee
commit 693047383b
2 changed files with 37 additions and 4 deletions
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28
0000-fix-gdbm_dump-usage-stack-overflow.patch Normal file
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@ -0,0 +1,28 @@
From 48e22dd008138bb97d2a673af9da5b1b3457c86f Thu Sep 9 08:15:07 2021
From: Sergey Poznyakoff <gray@gnu.org>
Date: Thu, 9 Sep 2021 15:04:27 +0800
Subject: [PATCH] Fix stack overflow in print_usage
src/parseopt.c (print_usage): Fix length calculation for long
options.
Conflict:NA
Reference:https://git.gnu.org.ua/gdbm.git/commit/?id=48e22dd008138bb97d2a673af9da5b1b3457c86f
---
src/parseopt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/parseopt.c b/src/parseopt.c
index bc47597..efa12c8 100644
--- a/src/parseopt.c
+++ b/src/parseopt.c
@@ -495,7 +495,7 @@ print_usage (void)
{
struct gdbm_option *opt = option_tab + idxbuf[i];
const char *arg = opt->opt_arg ? gettext (opt->opt_arg) : NULL;
- size_t len = 3 + strlen (opt->opt_long)
+ size_t len = 5 + strlen (opt->opt_long)
+ (arg ? 1 + strlen (arg) : 0);
if (n + len > RMARGIN) FLUSH;
buf[n++] = ' ';

13
gdbm.spec
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@ -1,17 +1,19 @@
Name: gdbm
Version: 1.20
Release: 2
Release: 3
Epoch: 1
Summary: A library of database functions that work similar to the standard UNIX dbm
License: GPLv3+
URL: http://www.gnu.org/software/gdbm/
Source0: http://ftp.gnu.org/gnu/gdbm/gdbm-%{version}.tar.gz
Patch0: 0000-fix-gdbm_dump-usage-stack-overflow.patch
BuildRequires: gcc libtool gettext readline-devel
Provides: %{name}-libs
Provides: %{name}-libs%{?_isa}
Obsoletes: %{name}-libs
Obsoletes: %{name}-libs <= %{version}
%description
GNU dbm (or GDBM, for short) is a library of database functions that
@ -24,7 +26,7 @@ Summary: Header files and libraries for development
Requires: %{name} = %{epoch}:%{version}-%{release}
Requires(post): info
Requires(preun): info
Obsoletes: %{name}-libs
Obsoletes: %{name}-libs <= %{version}
%description devel
Gdbm-devel contains the header files and libraries for development.
@ -96,10 +98,13 @@ fi
%{_infodir}/*.info*
%changelog
* Fri Sep 10 2021 geruijun <geruijun@huawei.com> - 1.20-3
- DESC: fix stack overflow in print_usage
* Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 1.20-2
- DESC: delete -S git from %autosetup, and delete BuildRequires git
* Fri Jul 20 2021 yanglongkang <yanglongkang@huawei.com> - 1.20-1
* Tue Jul 20 2021 yanglongkang <yanglongkang@huawei.com> - 1.20-1
- upgrade package to 1.20
* Sat Jul 18 2020 Wangjun <wangjun196@huawei.com> - 1.18.1-1