diff options
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 21 |
1 files changed, 5 insertions, 16 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index 9326d1f97fc7..f072959fcab7 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -65,6 +65,7 @@ #include <linux/compat.h> #include <linux/io_uring.h> #include <linux/kprobes.h> +#include <linux/rethook.h> #include <linux/uaccess.h> #include <asm/unistd.h> @@ -170,6 +171,7 @@ static void delayed_put_task_struct(struct rcu_head *rhp) struct task_struct *tsk = container_of(rhp, struct task_struct, rcu); kprobe_flush_task(tsk); + rethook_flush_task(tsk); perf_event_delayed_put(tsk); trace_sched_process_free(tsk); put_task_struct(tsk); @@ -736,21 +738,7 @@ void __noreturn do_exit(long code) struct task_struct *tsk = current; int group_dead; - WARN_ON(blk_needs_flush_plug(tsk)); - - /* - * If do_dead is called because this processes oopsed, it's possible - * that get_fs() was left as KERNEL_DS, so reset it to USER_DS before - * continuing. Amongst other possible reasons, this is to prevent - * mm_release()->clear_child_tid() from writing to a user-controlled - * kernel address. - * - * On uptodate architectures force_uaccess_begin is a noop. On - * architectures that still have set_fs/get_fs in addition to handling - * oopses handles kernel threads that run as set_fs(KERNEL_DS) by - * default. - */ - force_uaccess_begin(); + WARN_ON(tsk->plug); kcov_task_exit(tsk); @@ -846,6 +834,7 @@ void __noreturn do_exit(long code) put_page(tsk->task_frag.page); validate_creds_for_do_exit(tsk); + exit_task_stack_account(tsk); check_stack_usage(); preempt_disable(); @@ -907,7 +896,7 @@ SYSCALL_DEFINE1(exit, int, error_code) * Take down every thread in the group. This is called by fatal signals * as well as by sys_exit_group (below). */ -void +void __noreturn do_group_exit(int exit_code) { struct signal_struct *sig = current->signal; |