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-rw-r--r--include/linux/tracehook.h15
-rw-r--r--kernel/exit.c6
2 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 6276353709c1..967ab473afbc 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -95,4 +95,19 @@ static inline void tracehook_report_exec(struct linux_binfmt *fmt,
send_sig(SIGTRAP, current, 0);
}
+/**
+ * tracehook_report_exit - task has begun to exit
+ * @exit_code: pointer to value destined for @current->exit_code
+ *
+ * @exit_code points to the value passed to do_exit(), which tracing
+ * might change here. This is almost the first thing in do_exit(),
+ * before freeing any resources or setting the %PF_EXITING flag.
+ *
+ * Called with no locks held.
+ */
+static inline void tracehook_report_exit(long *exit_code)
+{
+ ptrace_event(PT_TRACE_EXIT, PTRACE_EVENT_EXIT, *exit_code);
+}
+
#endif /* <linux/tracehook.h> */
diff --git a/kernel/exit.c b/kernel/exit.c
index ad933bb29ec7..c3691cbc220a 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -46,6 +46,7 @@
#include <linux/resource.h>
#include <linux/blkdev.h>
#include <linux/task_io_accounting_ops.h>
+#include <linux/tracehook.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
@@ -1029,10 +1030,7 @@ NORET_TYPE void do_exit(long code)
if (unlikely(!tsk->pid))
panic("Attempted to kill the idle task!");
- if (unlikely(current->ptrace & PT_TRACE_EXIT)) {
- current->ptrace_message = code;
- ptrace_notify((PTRACE_EVENT_EXIT << 8) | SIGTRAP);
- }
+ tracehook_report_exit(&code);
/*
* We're taking recursive faults here in do_exit. Safest is to just