Remove use of PROT_EXEC Resolves: rhbz #307531

gtk-vnc-0.2.0-execmem.patch

@@ -0,0 +1,14 @@
+diff -rup gtk-vnc-0.2.0.orig/src/coroutine.c gtk-vnc-0.2.0.new/src/coroutine.c
+--- gtk-vnc-0.2.0.orig/src/coroutine.c	2007-09-13 17:11:29.000000000 -0400
++++ gtk-vnc-0.2.0.new/src/coroutine.c	2007-09-26 15:48:23.000000000 -0400
+@@ -44,8 +44,8 @@ int coroutine_init(struct coroutine *co)
+ 
+ 	co->cc.stack_size = co->stack_size;
+ 	co->cc.stack = mmap(0, co->stack_size,
+-			    PROT_READ | PROT_WRITE | PROT_EXEC,
+-			    MAP_SHARED | MAP_ANONYMOUS | MAP_GROWSDOWN,
++			    PROT_READ | PROT_WRITE,
++			    MAP_PRIVATE | MAP_ANONYMOUS,
+ 			    -1, 0);
+ 	if (co->cc.stack == MAP_FAILED)
+ 		return -1;

gtk-vnc.spec

@@ -3,10 +3,11 @@
 Summary: A GTK widget for VNC clients
 Name: gtk-vnc
 Version: 0.2.0
-Release: 1%{?dist}
+Release: 2%{?dist}
 License: LGPLv2+
 Group: Development/Libraries
 Source: http://downloads.sourceforge.net/%{name}/%{name}-%{version}.tar.gz
+Patch1: %{name}-%{version}-execmem.patch
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 URL: http://gtk-vnc.sf.net/
 BuildRequires: gtk2-devel pygtk2-devel python-devel gnutls-devel
@@ -41,6 +42,7 @@ A module allowing use of the GTK-VNC widget from python
 
 %prep
 %setup -q
+%patch1 -p1
 
 %build
 %configure
@@ -80,6 +82,9 @@ rm -fr %{buildroot}
 %{_libdir}/python*/site-packages/gtkvnc.so
 
 %changelog
+* Wed Sep 26 2007 Daniel P. Berrange <berrange@redhat.com> - 0.2.0-2.fc8
+- Remove use of PROT_EXEC for coroutine stack (rhbz #307531 )
+
 * Thu Sep 13 2007 Daniel P. Berrange <berrange@redhat.com> - 0.2.0-1.fc8
 - Update to 0.2.0 release