diff options
| -rw-r--r-- | kernel/acct.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/acct.c b/kernel/acct.c index 521dfa53cb99..7ff5339a3f05 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -482,7 +482,9 @@ static void do_acct_process(struct file *file) #endif #if ACCT_VERSION==3 ac.ac_pid = current->tgid; - ac.ac_ppid = current->real_parent->tgid; + rcu_read_lock(); + ac.ac_ppid = rcu_dereference(current->real_parent)->tgid; + rcu_read_unlock(); #endif spin_lock_irq(¤t->sighand->siglock); |