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diff -Nupr src.orig/kernel/fork.c src/kernel/fork.c
--- src.orig/kernel/fork.c 2020-05-12 11:14:29.670773651 -0400
+++ src/kernel/fork.c 2020-05-12 11:15:54.197110372 -0400
@@ -1523,10 +1523,18 @@ static void posix_cpu_timers_init_group(
static inline void posix_cpu_timers_init_group(struct signal_struct *sig) { }
#endif
+void kpatch_foo(void)
+{
+ if (!jiffies)
+ printk("kpatch copy signal\n");
+}
+
static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
{
struct signal_struct *sig;
+ kpatch_foo();
+
if (clone_flags & CLONE_THREAD)
return 0;
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