diff --git a/fs/coredump.c b/fs/coredump.c
index 591700e1b2ce..dd0957149ec6 100644
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -1015,7 +1015,9 @@ static const struct ctl_table coredump_sysctls[] = {
 		.data		= &core_pipe_limit,
 		.maxlen		= sizeof(unsigned int),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= proc_dointvec_minmax,
+		.extra1		= SYSCTL_ZERO,
+		.extra2		= SYSCTL_INT_MAX,
 	},
 	{
 		.procname       = "core_file_note_size_limit",