Linux 2.4.32 with grsec 2.4.32 SEGMEXEC compilation problem

[cpc]

When compiling kernel 2.4.32 with grsec 2.1.8 (patch 2.1.8-2.4.32-200601211647), if you use SEGMEXEC, you get an undefined reference to pax_handle_fetch_fault:

fault.c: In function `do_page_fault':
fault.c:297: warning: implicit declaration of function `pax_handle_fetch_fault'
...
arch/i386/mm/mm.o: In function `do_page_fault':
arch/i386/mm/mm.o(.text+0xc0d): undefined reference to `pax_handle_fetch_fault'

The fix is the following patch:

Code: Select all

--- linux-2.4.32/arch/i386/mm/fault.c.orig      Thu Mar  9 15:40:37 2006
+++ linux-2.4.32/arch/i386/mm/fault.c   Thu Mar  9 15:40:49 2006
@@ -499,7 +499,7 @@
  *         4 when gcc trampoline was detected
  *        5 when legitimate ET_EXEC was detected
  */
-#ifdef CONFIG_GRKERNSEC_PAX_PAGEEXEC
+#if defined(CONFIG_GRKERNSEC_PAX_PAGEEXEC) || defined(CONFIG_GRKERNSEC_PAX_SEGMEXEC)
 static int pax_handle_fetch_fault(struct pt_regs *regs)
 {
 #ifdef CONFIG_GRKERNSEC_PAX_EMUTRAMP


[PaX Team]

When compiling kernel 2.4.32 with grsec 2.1.8 (patch 2.1.8-2.4.32-200601211647), if you use SEGMEXEC, you get an undefined reference to pax_handle_fetch_fault:

FYI, this has already been fixed in 2.1.9, it's available in ~spender.