bpf: prevent out of bounds speculation on pointer arithmetic

[linux.git] / tools / lib / bpf / libbpf_errno.c

diff --git a/tools/lib/bpf/libbpf_errno.c b/tools/lib/bpf/libbpf_errno.c
index d83b17f8435c021eceea38e9a4cc3461c513691b..4343e40588c6688419dfea2012a1b14a02dfc185 100644 (file)
--- a/tools/lib/bpf/libbpf_errno.c
+++ b/tools/lib/bpf/libbpf_errno.c
@@ -7,6 +7,7 @@
  * Copyright (C) 2017 Nicira, Inc.
  */
 
+#undef _GNU_SOURCE
 #include <stdio.h>
 #include <string.h>