Accepting request 314851 from devel:libraries:c_c++

- Add patch for bnc#936786 CVE-2015-3239, off by one:
  * libunwind-CVE-2015-3239.patch

OBS-URL: https://build.opensuse.org/request/show/314851
OBS-URL: https://build.opensuse.org/package/show/openSUSE:Factory/libunwind?expand=0&rev=33

libunwind-CVE-2015-3239.patch

@@ -0,0 +1,13 @@
+Index: libunwind-1.1/include/dwarf_i.h
+===================================================================
+--- libunwind-1.1.orig/include/dwarf_i.h
++++ libunwind-1.1/include/dwarf_i.h
+@@ -20,7 +20,7 @@
+ extern const uint8_t dwarf_to_unw_regnum_map[DWARF_REGNUM_MAP_LENGTH];
+ /* REG is evaluated multiple times; it better be side-effects free!  */
+ # define dwarf_to_unw_regnum(reg)					  \
+-  (((reg) <= DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0)
++  (((reg) < DWARF_REGNUM_MAP_LENGTH) ? dwarf_to_unw_regnum_map[reg] : 0)
+ #endif
+ 
+ #ifdef UNW_LOCAL_ONLY

libunwind.changes

@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jul  2 12:47:57 UTC 2015 - tchvatal@suse.com
+
+- Add patch for bnc#936786 CVE-2015-3239, off by one:
+  * libunwind-CVE-2015-3239.patch
+
 -------------------------------------------------------------------
 Sun Mar 29 18:47:32 UTC 2015 - meissner@suse.com
 

libunwind.spec

@@ -34,6 +34,8 @@ Patch1:         libunwind-1.1-expected-fails.patch
 Patch2:         libunwind-aarch64.patch
 # PATCH-FIX-UPSTREAM: uweigand@de.ibm.com -- submitted to libunwind-devel
 Patch3:         libunwind-ppc64le.patch
+# PATCH-FIX-UPSTREAM: bnc#936786 CVE-2015-3239
+Patch4:         libunwind-CVE-2015-3239.patch
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  gcc-c++
@@ -63,6 +65,7 @@ call-chain of a program.
 %patch1 -p1
 %patch2 -p1
 %patch3 -p1
+%patch4 -p1
 
 %build
 autoreconf -fvi