Avoid reading from invalid memory upon failure to open an input file

backport-Avoid-reading-from-invalid-memory.patch

@@ -0,0 +1,32 @@
+From 61f2d86d93e46309f5721b3700e1b189350282dd Mon Sep 17 00:00:00 2001
+From: "G. Branden Robinson" <g.branden.robinson@gmail.com>
+Date: Fri, 3 Feb 2023 05:11:46 -0600
+Subject: [tbl]: Fix Savannah #63751.
+
+* src/preproc/tbl/main.cpp (main): Avoid reading from invalid memory
+  upon failure to open an input file.
+
+Fixes <https://savannah.gnu.org/bugs/?63751>.
+---
+ src/preproc/tbl/main.cpp | 4 +++-
+ 1 files changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/src/preproc/tbl/main.cpp b/src/preproc/tbl/main.cpp
+index 467c19f..a3308ba 100644
+--- a/src/preproc/tbl/main.cpp
++++ b/src/preproc/tbl/main.cpp
+@@ -1658,8 +1658,10 @@ int main(int argc, char **argv)
+       else {
+ 	errno = 0;
+ 	FILE *fp = fopen(argv[i], "r");
+-	if (fp == 0)
++	if (fp == 0) {
++	  current_filename = 0 /* nullptr */;
+ 	  fatal("can't open '%1': %2", argv[i], strerror(errno));
++	}
+ 	else {
+ 	  current_lineno = 1;
+ 	  string fn(argv[i]);
+-- 
+cgit v1.1
+

groff.spec

@@ -2,12 +2,14 @@
 %{!?with_x:%global with_x 1}
 Name: groff
 Version: 1.22.4
-Release: 10
+Release: 12
 Summary: A typesetting system
 License: GPLv3+ and GFDL and BSD and MIT
 URL: http://www.gnu.org/software/groff/
 Source: http://ftp.gnu.org/gnu/groff/groff-%{version}.tar.gz
 
+Patch6000:  backport-Avoid-reading-from-invalid-memory.patch
+
 BuildRequires: gcc, gcc-c++ texinfo
 BuildRequires: git, netpbm-progs, perl-generators, psutils, ghostscript
 BuildRequires: libXaw-devel, libXmu-devel
@@ -320,6 +322,9 @@ make check
 %{_infodir}/groff.info*
 
 %changelog
+* Mon Apr 08 2024 shixuantong <shixuantong1@huawei.com> - 1.22.4-12
+- Avoid reading from invalid memory upon failure to open an input file
+
 * Tue Oct 25 2022 yanglongkang <yanglongkang@h-partners.com> - 1.22.4-10
 - rebuild for next release