Author: ian
Date: Sun May 18 16:02:56 2014
New Revision: 266404
URL: http://svnweb.freebsd.org/changeset/base/266404
Log:
MFC 256941: make sure the frame is indeed in the kernel memory.
Modified:
stable/10/sys/arm/arm/stack_machdep.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/arm/arm/stack_machdep.c
==============================================================================
--- stable/10/sys/arm/arm/stack_machdep.c Sun May 18 15:31:53 2014
(r266403)
+++ stable/10/sys/arm/arm/stack_machdep.c Sun May 18 16:02:56 2014
(r266404)
@@ -43,13 +43,16 @@ __FBSDID("$FreeBSD$");
* APCS where it lays out the stack incorrectly. Because of this we disable
* this when building for ARM EABI or when building with clang.
*/
+
+extern vm_offset_t kernel_vm_end;
+
static void
stack_capture(struct stack *st, u_int32_t *frame)
{
#if !defined(__ARM_EABI__) && !defined(__clang__)
vm_offset_t callpc;
- while (INKERNEL(frame)) {
+ while (INKERNEL(frame) && (vm_offset_t)frame < kernel_vm_end) {
callpc = frame[FR_SCP];
if (stack_put(st, callpc) == -1)
break;
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
