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| author | Ingo Molnar <mingo@elte.hu> | 2009-03-28 23:24:12 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-03-28 23:24:12 +0100 |
| commit | d00ab2fdd4dc4361c97777bc1fef7234329d4659 (patch) | |
| tree | b8d8f98c1af633bbc1570b4270b39727737beebf /kernel/fork.c | |
| parent | 88f502fedba82eff252b6420e8b8328e4ae25c67 (diff) | |
| parent | 7c730ccdc1188b97f5c8cb690906242c7ed75c22 (diff) | |
Merge branch 'linus' into core/futexes
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 4854c2c4a82..6715ebc3761 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -61,6 +61,7 @@ #include <linux/proc_fs.h> #include <linux/blkdev.h> #include <trace/sched.h> +#include <linux/magic.h> #include <asm/pgtable.h> #include <asm/pgalloc.h> @@ -212,6 +213,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) { struct task_struct *tsk; struct thread_info *ti; + unsigned long *stackend; + int err; prepare_to_copy(orig); @@ -237,6 +240,8 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) goto out; setup_thread_stack(tsk, orig); + stackend = end_of_stack(tsk); + *stackend = STACK_END_MAGIC; /* for overflow detection */ #ifdef CONFIG_CC_STACKPROTECTOR tsk->stack_canary = get_random_int(); |