1 files changed, 1 insertions, 1 deletions

diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index ef095436a78c..3e058ce9ffb6 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -141,7 +141,7 @@ void os_dump_core(void)
          * nothing reasonable to do if that fails.
          */
 
-        while ((pid = waitpid(-1, NULL, WNOHANG)) > 0)
+        while ((pid = waitpid(-1, NULL, WNOHANG | __WALL)) > 0)
                 os_kill_ptraced_process(pid, 0);
 
         abort();