fix divison-by-zero in cpu statistics Resolves: #501210

net-snmp-5.2.1-file_offset.patch

@@ -1,7 +1,7 @@
-diff -up net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.c.backup_patch_7 net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.c
+diff -up net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.c.file_offset net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.c
---- net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.c.backup_patch_7	2007-05-18 20:08:01.000000000 +0200
+--- net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.c.file_offset	2004-06-19 15:34:11.000000000 +0200
-+++ net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.c	2008-07-25 12:53:28.000000000 +0200
++++ net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.c	2009-01-22 14:42:26.000000000 +0100
-@@ -911,7 +911,7 @@ Get_FSIndex(char *dev)
+@@ -783,7 +783,7 @@ Get_FSIndex(char *dev)
      return 0;
  }
  
@@ -10,9 +10,9 @@ diff -up net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.c.backup_patch_7 net-snmp
  Get_FSSize(char *dev)
  {
      struct HRFS_statfs statfs_buf;
-diff -up net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.h.backup_patch_7 net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.h
+diff -up net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.h.file_offset net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.h
---- net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.h.backup_patch_7	2002-07-04 14:58:04.000000000 +0200
+--- net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.h.file_offset	2002-07-04 14:56:35.000000000 +0200
-+++ net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.h	2008-07-25 12:53:28.000000000 +0200
++++ net-snmp-5.1.2/agent/mibgroup/host/hr_filesys.h	2009-01-22 14:42:26.000000000 +0100
 @@ -12,7 +12,7 @@ extern int      Get_Next_HR_FileSys(void
  extern int      Check_HR_FileSys_NFS(void);
  
@@ -22,27 +22,3 @@ diff -up net-snmp-5.4.1/agent/mibgroup/host/hr_filesys.h.backup_patch_7 net-snmp
  
  
  #endif                          /* _MIBGROUP_HRFSYS_H */
-diff -up net-snmp-5.4.1/agent/snmp_vars.c.backup_patch_7 net-snmp-5.4.1/agent/snmp_vars.c
---- net-snmp-5.4.1/agent/snmp_vars.c.backup_patch_7	2006-09-15 02:48:50.000000000 +0200
-+++ net-snmp-5.4.1/agent/snmp_vars.c	2008-07-25 12:53:28.000000000 +0200
-@@ -224,7 +224,7 @@ extern netsnmp_subtree *subtrees;
-  * int      name_len        IN - number of sub-ids in the name
-  */
- 
--long            long_return;
-+fsblkcnt_t            long_return;
- #ifndef ibm032
- u_char          return_buf[258];
- #else
-diff -up net-snmp-5.4.1/include/net-snmp/agent/snmp_vars.h.backup_patch_7 net-snmp-5.4.1/include/net-snmp/agent/snmp_vars.h
---- net-snmp-5.4.1/include/net-snmp/agent/snmp_vars.h.backup_patch_7	2005-06-21 23:33:55.000000000 +0200
-+++ net-snmp-5.4.1/include/net-snmp/agent/snmp_vars.h	2008-07-25 12:53:28.000000000 +0200
-@@ -73,7 +73,7 @@ PERFORMANCE OF THIS SOFTWARE.
- 
-     struct nlist;
- 
--    extern long     long_return;
-+    extern fsblkcnt_t long_return;
-     extern u_char   return_buf[];
- 
-     extern oid      nullOid[];

net-snmp-5.4.2.1-proc-div0.patch

@@ -0,0 +1,21 @@
+501210:  net-snmp SIGFPE 0x00002aaaab37744a in var_hrproc (vp=0x7fffffffbf50)
+
+Author: Jan Safranek <jsafrane@redhat.com>
+Upstream as SVN rev. 17616.
+
+Index: net-snmp/agent/mibgroup/host/hr_proc.c
+===================================================================
+--- net-snmp/agent/mibgroup/host/hr_proc.c	(revision 17615)
++++ net-snmp/agent/mibgroup/host/hr_proc.c	(working copy)
+@@ -182,7 +182,10 @@
+             return NULL;
+ 
+         long_return  = (cpu->idle_ticks  - cpu->history[0].idle_hist)*100;
+-        long_return /= (cpu->total_ticks - cpu->history[0].total_hist);
++        if (cpu->total_ticks > cpu->history[0].total_hist) /* avoid div. by 0 */
++            long_return /= (cpu->total_ticks - cpu->history[0].total_hist);
++        else
++            long_return = 0; 
+         long_return  = 100 - long_return;
+         if (long_return < 0)
+             long_return = 0;

net-snmp.spec

@@ -8,7 +8,7 @@
 Summary: A collection of SNMP protocol tools and libraries
 Name: net-snmp
 Version: %{major_ver}
-Release: 10%{?dist}
+Release: 11%{?dist}
 Epoch: 1
 
 License: BSD and MIT
@@ -35,6 +35,7 @@ Patch10: net-snmp-5.4.1-shared-ip.patch
 Patch11: net-snmp-5.4.1-sensors3.patch
 Patch12: net-snmp-5.4.1-xen-crash.patch
 Patch13: net-snmp-5.4.1-libwrap.patch
+Patch14: net-snmp-5.4.2.1-proc-div0.patch
 
 Requires(pre): chkconfig
 Requires(post): chkconfig
@@ -173,6 +174,7 @@ Net-SNMP toolkit library.
 %patch11 -p1 -b .sensors
 %patch12 -p1 -b .xen-crash
 %patch13 -p1 -b .libwrap
+%patch14 -p1 -b .proc-div0
 
 # Do this patch with a perl hack...
 perl -pi -e "s|'\\\$install_libdir'|'%{_libdir}'|" ltmain.sh
@@ -421,6 +423,9 @@ rm -rf ${RPM_BUILD_ROOT}
 %{_datadir}/snmp/mibs
 
 %changelog
+* Mon May 18 2009 Jan Safranek <jsafranek@redhat.com> 5.4.2.1-11
+- fix divison-by-zero in cpu statistics (#501210)
+
 * Fri Mar 06 2009 Jesse Keating <jkeating@redhat.com> - 5.4.2.1-10
 - Rebuild for new rpm