Fix strstr() crash when looking for RPM Group tag

net-snmp-5.7.3-strstr.patch

@@ -0,0 +1,13 @@
+diff -urNp old/agent/mibgroup/host/data_access/swinst_rpm.c new/agent/mibgroup/host/data_access/swinst_rpm.c
+--- old/agent/mibgroup/host/data_access/swinst_rpm.c	2012-10-10 00:28:58.000000000 +0200
++++ new/agent/mibgroup/host/data_access/swinst_rpm.c	2017-03-23 13:39:44.695386498 +0100
+@@ -129,7 +129,7 @@ netsnmp_swinst_arch_load( netsnmp_contai
+                                       "%s-%s-%s", n, v, r);
+         if (entry->swName_len > sizeof(entry->swName))
+             entry->swName_len = sizeof(entry->swName);
+-        entry->swType = (NULL != strstr( g, "System Environment"))
++        entry->swType = (g != NULL && NULL != strstr( g, "System Environment"))
+                         ? 2      /* operatingSystem */
+                         : 4;     /*  application    */
+ 
+

net-snmp.spec

@@ -9,7 +9,7 @@
 Summary:    A collection of SNMP protocol tools and libraries
 Name:       net-snmp
 Version:    5.7.3
-Release:    32%{?dist}
+Release:    33%{?dist}
 Epoch:      1
 
 License:    BSD
@@ -59,6 +59,7 @@ Patch17:    net-snmp-5.7.3-mariadb102.patch
 Patch18:    0001-Link-libnetsnmptrapd-against-MYSQL_LIBS.patch
 
 Patch19:    net-snmp-5.7.3-mariadb-connector-c.patch
+Patch20:    net-snmp-5.7.3-strstr.patch
 
 # This patch fix issue with new OpenSLL library in rawhide (f26+)
 # !!!WARNING!!!   DO NOT USE IT FOR OLDER FEDORA RELEASES (>f26)
@@ -485,6 +486,9 @@ LD_LIBRARY_PATH=%{buildroot}/%{_libdir} make test
 %{_libdir}/libnetsnmptrapd*.so.*
 
 %changelog
+* Thu Feb 08 2018 Josef Ridky <jridky@redhat.com> - 1:5.7.3-33
+- Fix strstr() crash when looking for RPM Group tag
+
 * Thu Feb 08 2018 Fedora Release Engineering <releng@fedoraproject.org> - 1:5.7.3-32
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild