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-rw-r--r--kernel/pid_namespace.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 86b3796b0436..79aac93acf99 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -161,13 +161,12 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns)
rcu_read_lock();
/*
- * Use force_sig() since it clears SIGNAL_UNKILLABLE ensuring
- * any nested-container's init processes don't ignore the
- * signal
+ * Any nested-container's init processes won't ignore the
+ * SEND_SIG_NOINFO signal, see send_signal()->si_fromuser().
*/
task = pid_task(find_vpid(nr), PIDTYPE_PID);
if (task)
- force_sig(SIGKILL, task);
+ send_sig_info(SIGKILL, SEND_SIG_NOINFO, task);
rcu_read_unlock();
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