[ghostscript: 3/5] Applied patch from upstream to fix memory handling issue (bug #1087071).

[Tim Waugh]

commit 51ebf65bc1b67e912672ebd05293a3f280419e13
Author: Tim Waugh <twaugh at redhat.com>
Date:   Wed Jun 4 11:11:19 2014 +0100

    Applied patch from upstream to fix memory handling issue (bug #1087071).
    
    Resolves: rhbz#1087071

 ghostscript-crash.patch |   21 +++++++++++++++++++++
 ghostscript.spec        |   10 +++++++++-
 2 files changed, 30 insertions(+), 1 deletions(-)
---
diff --git a/ghostscript-crash.patch b/ghostscript-crash.patch
new file mode 100644
index 0000000..4cd24e8
--- /dev/null
+++ b/ghostscript-crash.patch
@@ -0,0 +1,21 @@
+diff -up ghostscript-9.10/psi/ialloc.c.crash ghostscript-9.10/psi/ialloc.c
+--- ghostscript-9.10/psi/ialloc.c.crash	2013-08-30 11:37:28.000000000 +0100
++++ ghostscript-9.10/psi/ialloc.c	2014-06-04 10:47:58.294526685 +0100
+@@ -160,6 +160,7 @@ gs_alloc_ref_array(gs_ref_memory_t * mem
+                    uint num_refs, client_name_t cname)
+ {
+     ref *obj;
++    int i;
+ 
+     /* If we're allocating a run of refs already, */
+     /* and we aren't about to overflow the maximum run length, use it. */
+@@ -224,6 +225,9 @@ gs_alloc_ref_array(gs_ref_memory_t * mem
+             cp->where = (ref_packed *)obj;
+         }
+     }
++    for (i = 0; i < num_refs; i++) {
++        make_null(&(obj[i]));
++    }
+     make_array(parr, attrs | mem->space, num_refs, obj);
+     return 0;
+ }
diff --git a/ghostscript.spec b/ghostscript.spec
index 59ce7a0..eb8bef7 100644
--- a/ghostscript.spec
+++ b/ghostscript.spec
@@ -5,7 +5,7 @@ Summary: A PostScript interpreter and renderer
 Name: ghostscript
 Version: %{gs_ver}
 
-Release: 2%{?dist}
+Release: 3%{?dist}
 
 # Included CMap data is Redistributable, no modification permitted,
 # see http://bugzilla.redhat.com/487510
@@ -32,6 +32,7 @@ Patch8: ghostscript-gdevcups-debug-uninit.patch
 Patch9: ghostscript-wrf-snprintf.patch
 Patch10: ghostscript-gs694154.patch
 Patch11: ghostscript-sys-zlib.patch
+Patch12: ghostscript-crash.patch
 
 Requires: urw-fonts >= 1.1, ghostscript-fonts
 Requires: poppler-data
@@ -138,6 +139,9 @@ rm -rf expat freetype icclib jasper jpeg jpegxr lcms lcms2 libpng openjpeg zlib
 # Fix build when using system zlib.
 %patch11 -p1 -b .sys-zlib
 
+# Prevent memory handling crash.
+%patch12 -p1 -b .crash
+
 # Convert manual pages to UTF-8
 from8859_1() {
         iconv -f iso-8859-1 -t utf-8 < "$1" > "${1}_"
@@ -329,6 +333,10 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/libgs.so
 
 %changelog
+* Wed Jun  4 2014 Tim Waugh <twaugh at redhat.com> 9.14-3
+- Applied patch from upstream to fix memory handling issue that could
+  lead to crashes (bug #1087071).
+
 * Tue Jun 03 2014 Ralf Corsépius <corsepiu at fedoraproject.org> 9.14-2
 - Add %%{_datadir}/ghostscript/%%{gs_dot_ver}/Resource/IdiomSet
   (RHBZ #1100338).