* [0/5] stack bounds checking
@ 2004-04-17 5:35 William Lee Irwin III
2004-04-17 5:37 ` [1/5] h8300 " William Lee Irwin III
0 siblings, 1 reply; 6+ messages in thread
From: William Lee Irwin III @ 2004-04-17 5:35 UTC (permalink / raw)
To: linux-kernel
The stack is now shared with struct thread_info on most arches, not
task_t. This patch series attempts to sweep up the remaining arches in
need of updates. This mostly affects get_wchan() and stack usage debug.
-- wli
^ permalink raw reply [flat|nested] 6+ messages in thread
* [1/5] h8300 stack bounds checking
2004-04-17 5:35 [0/5] stack bounds checking William Lee Irwin III
@ 2004-04-17 5:37 ` William Lee Irwin III
2004-04-17 5:38 ` [2/5] m68k " William Lee Irwin III
0 siblings, 1 reply; 6+ messages in thread
From: William Lee Irwin III @ 2004-04-17 5:37 UTC (permalink / raw)
To: linux-kernel
Index: wli-2.6.5-mm6/arch/h8300/kernel/process.c
===================================================================
--- wli-2.6.5-mm6.orig/arch/h8300/kernel/process.c 2004-04-14 23:21:01.000000000 -0700
+++ wli-2.6.5-mm6/arch/h8300/kernel/process.c 2004-04-16 10:41:39.000000000 -0700
@@ -277,7 +277,7 @@
stack_page = (unsigned long)p;
fp = ((struct pt_regs *)p->thread.ksp)->er6;
do {
- if (fp < stack_page+sizeof(struct task_struct) ||
+ if (fp < stack_page+sizeof(struct thread_info) ||
fp >= 8184+stack_page)
return 0;
pc = ((unsigned long *)fp)[1];
^ permalink raw reply [flat|nested] 6+ messages in thread* [2/5] m68k stack bounds checking
2004-04-17 5:37 ` [1/5] h8300 " William Lee Irwin III
@ 2004-04-17 5:38 ` William Lee Irwin III
2004-04-17 5:39 ` [3/5] m68knommu " William Lee Irwin III
0 siblings, 1 reply; 6+ messages in thread
From: William Lee Irwin III @ 2004-04-17 5:38 UTC (permalink / raw)
To: linux-kernel
Index: wli-2.6.5-mm6/arch/m68k/kernel/process.c
===================================================================
--- wli-2.6.5-mm6.orig/arch/m68k/kernel/process.c 2004-04-14 23:21:02.000000000 -0700
+++ wli-2.6.5-mm6/arch/m68k/kernel/process.c 2004-04-16 10:41:07.000000000 -0700
@@ -392,7 +392,7 @@
stack_page = (unsigned long)(p->thread_info);
fp = ((struct switch_stack *)p->thread.ksp)->a6;
do {
- if (fp < stack_page+sizeof(struct task_struct) ||
+ if (fp < stack_page+sizeof(struct thread_info) ||
fp >= 8184+stack_page)
return 0;
pc = ((unsigned long *)fp)[1];
^ permalink raw reply [flat|nested] 6+ messages in thread* [3/5] m68knommu stack bounds checking
2004-04-17 5:38 ` [2/5] m68k " William Lee Irwin III
@ 2004-04-17 5:39 ` William Lee Irwin III
2004-04-17 5:39 ` [4/5] ppc32 " William Lee Irwin III
0 siblings, 1 reply; 6+ messages in thread
From: William Lee Irwin III @ 2004-04-17 5:39 UTC (permalink / raw)
To: linux-kernel
Index: wli-2.6.5-mm6/arch/m68knommu/kernel/process.c
===================================================================
--- wli-2.6.5-mm6.orig/arch/m68knommu/kernel/process.c 2004-04-14 23:21:02.000000000 -0700
+++ wli-2.6.5-mm6/arch/m68knommu/kernel/process.c 2004-04-16 10:40:35.000000000 -0700
@@ -415,7 +415,7 @@
stack_page = (unsigned long)p;
fp = ((struct switch_stack *)p->thread.ksp)->a6;
do {
- if (fp < stack_page+sizeof(struct task_struct) ||
+ if (fp < stack_page+sizeof(struct thread_info) ||
fp >= 8184+stack_page)
return 0;
pc = ((unsigned long *)fp)[1];
^ permalink raw reply [flat|nested] 6+ messages in thread* [4/5] ppc32 stack bounds checking
2004-04-17 5:39 ` [3/5] m68knommu " William Lee Irwin III
@ 2004-04-17 5:39 ` William Lee Irwin III
2004-04-17 5:40 ` [5/5] sparc32 " William Lee Irwin III
0 siblings, 1 reply; 6+ messages in thread
From: William Lee Irwin III @ 2004-04-17 5:39 UTC (permalink / raw)
To: linux-kernel
Index: wli-2.6.5-mm6/arch/ppc/kernel/process.c
===================================================================
--- wli-2.6.5-mm6.orig/arch/ppc/kernel/process.c 2004-04-14 23:21:03.000000000 -0700
+++ wli-2.6.5-mm6/arch/ppc/kernel/process.c 2004-04-16 10:40:04.000000000 -0700
@@ -83,7 +83,7 @@
unsigned long
task_top(struct task_struct *tsk)
{
- return ((unsigned long)tsk) + sizeof(struct task_struct);
+ return ((unsigned long)tsk) + sizeof(struct thread_info);
}
/* check to make sure the kernel stack is healthy */
^ permalink raw reply [flat|nested] 6+ messages in thread* [5/5] sparc32 stack bounds checking
2004-04-17 5:39 ` [4/5] ppc32 " William Lee Irwin III
@ 2004-04-17 5:40 ` William Lee Irwin III
0 siblings, 0 replies; 6+ messages in thread
From: William Lee Irwin III @ 2004-04-17 5:40 UTC (permalink / raw)
To: linux-kernel
Index: wli-2.6.5-mm6/arch/sparc/kernel/process.c
===================================================================
--- wli-2.6.5-mm6.orig/arch/sparc/kernel/process.c 2004-04-14 23:21:03.000000000 -0700
+++ wli-2.6.5-mm6/arch/sparc/kernel/process.c 2004-04-16 10:38:51.000000000 -0700
@@ -318,7 +318,7 @@
fp = (unsigned long) _ksp;
do {
/* Bogus frame pointer? */
- if (fp < (task_base + sizeof(struct task_struct)) ||
+ if (fp < (task_base + sizeof(struct thread_info)) ||
fp >= (task_base + (PAGE_SIZE << 1)))
break;
rw = (struct reg_window *) fp;
@@ -710,7 +710,7 @@
fp = task->thread_info->ksp + bias;
do {
/* Bogus frame pointer? */
- if (fp < (task_base + sizeof(struct task_struct)) ||
+ if (fp < (task_base + sizeof(struct thread_info)) ||
fp >= (task_base + (2 * PAGE_SIZE)))
break;
rw = (struct reg_window *) fp;
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2004-04-17 5:42 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
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2004-04-17 5:35 [0/5] stack bounds checking William Lee Irwin III
2004-04-17 5:37 ` [1/5] h8300 " William Lee Irwin III
2004-04-17 5:38 ` [2/5] m68k " William Lee Irwin III
2004-04-17 5:39 ` [3/5] m68knommu " William Lee Irwin III
2004-04-17 5:39 ` [4/5] ppc32 " William Lee Irwin III
2004-04-17 5:40 ` [5/5] sparc32 " William Lee Irwin III
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