Added upstream patch to fix segmentation fault for '-r' (#2188394)

mtr-0.95-snprintf-sizes.patch

@@ -0,0 +1,35 @@
+From 5908af4c19188cb17b62f23368b6ef462831a0cb Mon Sep 17 00:00:00 2001
+From: Marcus Meissner <meissner@suse.de>
+Date: Tue, 11 Apr 2023 16:05:36 +0200
+Subject: [PATCH] fixed the sizes passed into snprintf
+
+---
+ ui/report.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/ui/report.c b/ui/report.c
+index 9301480..61f2c74 100644
+--- a/ui/report.c
++++ b/ui/report.c
+@@ -140,7 +140,7 @@ void report_close(
+             continue;
+ 
+         snprintf(fmt, sizeof(fmt), "%%%ds", data_fields[j].length);
+-        snprintf(buf + len, sizeof(buf), fmt, data_fields[j].title);
++        snprintf(buf + len, sizeof(buf) - len, fmt, data_fields[j].title);
+         len += data_fields[j].length;
+     }
+     printf("%s\n", buf);
+@@ -172,10 +172,10 @@ void report_close(
+ 
+             /* 1000.0 is a temporary hack for stats usec to ms, impacted net_loss. */
+             if (strchr(data_fields[j].format, 'f')) {
+-                snprintf(buf + len, sizeof(buf), data_fields[j].format,
++                snprintf(buf + len, sizeof(buf) - len, data_fields[j].format,
+                          data_fields[j].net_xxx(at) / 1000.0);
+             } else {
+-                snprintf(buf + len, sizeof(buf), data_fields[j].format,
++                snprintf(buf + len, sizeof(buf) - len, data_fields[j].format,
+                          data_fields[j].net_xxx(at));
+             }
+             len += data_fields[j].length;

mtr.spec

@@ -3,12 +3,14 @@
 Summary: Network diagnostic tool combining 'traceroute' and 'ping'
 Name: mtr
 Version: 0.95
-Release: 4%{?dist}
+Release: 5%{?dist}
 Epoch: 2
-License: GPLv2
+License: GPL-2.0-only
 URL: https://www.bitwizard.nl/mtr/
 Source0: https://github.com/traviscross/mtr/archive/v%{version}/%{name}-%{version}.tar.gz
 Source1: net-x%{name}.desktop
+# https://github.com/traviscross/mtr/issues/469
+Patch0: https://github.com/traviscross/mtr/commit/5908af4c19188cb17b62f23368b6ef462831a0cb.patch#/mtr-0.95-snprintf-sizes.patch
 
 BuildRequires: gcc make ncurses-devel libcap-devel jansson-devel
 BuildRequires: autoconf automake libtool git
@@ -47,6 +49,7 @@ about each machine.
 
 %prep
 %setup -q
+%patch0 -p1 -b .snprintf-sizes
 
 %build
 ./bootstrap.sh
@@ -78,6 +81,9 @@ desktop-file-install --dir=%{buildroot}%{_datadir}/applications %{SOURCE1}
 %{_datadir}/applications/net-x%{name}.desktop
 
 %changelog
+* Fri Apr 21 2023 Robert Scheck <robert@fedoraproject.org> - 2:0.95-5
+- Added upstream patch to fix segmentation fault for '-r' (#2188394)
+
 * Thu Jan 19 2023 Fedora Release Engineering <releng@fedoraproject.org> - 2:0.95-4
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild