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-rw-r--r--kernel/pid_namespace.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 7ade20e952..415201ca0c 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -218,6 +218,7 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns)
*/
do {
clear_thread_flag(TIF_SIGPENDING);
+ clear_thread_flag(TIF_NOTIFY_SIGNAL);
rc = kernel_wait4(-1, NULL, __WALL, NULL);
} while (rc != -ECHILD);