net-fs/openafs grsecurity fix

openafs-1.6.1-grsec.patch (text/plain), 3.80 KB, created by Benjamin Gaillard on 2012-09-13 16:34:13 UTC

diff -Nur openafs-1.6.1.orig/src/cf/linux-test1.m4 openafs-1.6.1/src/cf/linux-test1.m4
--- openafs-1.6.1.orig/src/cf/linux-test1.m4	2012-03-27 01:03:34.000000000 +0200
+++ openafs-1.6.1/src/cf/linux-test1.m4	2012-09-13 17:24:34.920364986 +0200
@@ -18,6 +18,10 @@
     cat >>conftest.dir/conftest.c <<\_ACEOF &&
 /* end confdefs.h */
 #include <linux/module.h>
+#include <linux/compiler.h>
+#ifndef __no_const
+#define __no_const
+#endif
 $1
 
 void conftest(void)
@@ -135,7 +139,8 @@
  [AC_CHECK_LINUX_BUILD([for $2 in $1],
 		       [ac_cv_linux_$1_has_$2],
 		       [#include <linux/$3>],
-		       [$1 _test; printk("%x\n", &_test.$2); ],
+		       [struct { $1 _s; int _i; } _test;
+			printk("%x\n", &_test._s.$2); ],
 		       AS_TR_CPP($1_HAS_$2),
 		       [Define if kernel typedef'd $1 has the $2 element])
  ])
diff -Nur openafs-1.6.1.orig/src/cf/linux-test4.m4 openafs-1.6.1/src/cf/linux-test4.m4
--- openafs-1.6.1.orig/src/cf/linux-test4.m4	2012-03-27 01:03:34.000000000 +0200
+++ openafs-1.6.1/src/cf/linux-test4.m4	2012-09-13 17:20:00.315617657 +0200
@@ -175,10 +175,10 @@
 [#include <linux/fs.h>
 #include <linux/mm.h>
 #include <linux/writeback.h>],
-[struct address_space_operations _aops;
+[struct { struct address_space_operations _s; int _i; } _aops;
 struct page _page;
 struct writeback_control _writeback_control;
-(void)_aops.writepage(&_page, &_writeback_control);],
+(void)_aops._s.writepage(&_page, &_writeback_control);],
 		       [AOP_WRITEPAGE_TAKES_WRITEBACK_CONTROL],
 		       [define if aops.writepage takes a struct writeback_control],
 		       [])
@@ -520,7 +520,7 @@
   AC_CHECK_LINUX_BUILD([if kernel uses new export ops],
 		       [ac_cv_linux_new_export_ops],
 		       [#include <linux/exportfs.h>],
-		       [struct export_operations _eops;
+		       [typedef struct export_operations __no_const _s; _s _eops;
 			_eops.fh_to_parent(NULL, NULL, 0, 0);],
 		       [NEW_EXPORT_OPS],
 		       [define if kernel uses new export ops],
@@ -627,7 +627,7 @@
 			[ac_cv_linux_dop_d_delete_takes_const],
 			[#include <linux/fs.h>
 			#include <linux/dcache.h>],
-			[struct dentry_operations _d_ops;
+			[typedef struct dentry_operations __no_const _s; _s _d_ops;
 			int _d_del(const struct dentry *de) {return 0;};
 			_d_ops.d_delete = _d_del;],
 			[DOP_D_DELETE_TAKES_CONST],
@@ -640,7 +640,7 @@
   AC_CHECK_LINUX_BUILD([whether inode.i_op->mkdir takes a umode_t argument],
 			[ac_cv_linux_iop_mkdir_takes_umode_t],
 			[#include <linux/fs.h>],
-			[struct inode_operations _i_ops;
+			[typedef struct inode_operations __no_const _s; _s _i_ops;
 			int _mkdir(struct inode *i, struct dentry *d, umode_t m) {return 0;};
 			_i_ops.mkdir = _mkdir;],
 			[IOP_MKDIR_TAKES_UMODE_T],
@@ -653,7 +653,7 @@
   AC_CHECK_LINUX_BUILD([whether inode.i_op->create takes a umode_t argument],
 			[ac_cv_linux_iop_create_takes_umode_t],
 			[#include <linux/fs.h>],
-			[struct inode_operations _i_ops;
+			[typedef struct inode_operations __no_const _s; _s _i_ops;
 			int _create(struct inode *i, struct dentry *d, umode_t m, struct nameidata *n)
 				{return 0;};
 			_i_ops.create = _create;],
diff -Nur openafs-1.6.1.orig/src/rx/rx_event.h openafs-1.6.1/src/rx/rx_event.h
--- openafs-1.6.1.orig/src/rx/rx_event.h	2012-03-27 01:03:34.000000000 +0200
+++ openafs-1.6.1/src/rx/rx_event.h	2012-09-13 17:37:52.958628614 +0200
@@ -36,7 +36,12 @@
     union {
 	void (*oldfunc) (struct rxevent *, void *, void *);
 	void (*newfunc) (struct rxevent *, void *, void *, int);
-    } func; 			/* Function to call when this expires */
+    }
+#if defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 5 && \
+    defined(CONSTIFY_PLUGIN)
+	__attribute__((__no_const__))
+#endif
+	func;			/* Function to call when this expires */
     void *arg;			/* Argument to the function */
     void *arg1;			/* Another argument */
     int arg2;			/* An integer argument */