From 7ad0524283006fce221910df4c1817af503b5b61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alessandro=C2=A0Decina?= <alessandro.d@gmail.com>
Date: Mon, 17 Jan 2022 08:45:57 +0000
Subject: [PATCH] btf: fix sanitization if BTF_FUNC_GLOBAL is not supported

The lower 16 bits were not actually being cleared.
---
 aya/src/obj/btf/btf.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/aya/src/obj/btf/btf.rs b/aya/src/obj/btf/btf.rs
index 1b4bc3a7..92cb9c9c 100644
--- a/aya/src/obj/btf/btf.rs
+++ b/aya/src/obj/btf/btf.rs
@@ -596,7 +596,8 @@ impl Btf {
                             "{}: BTF_FUNC_GLOBAL not supported. replacing with BTF_FUNC_STATIC",
                             kind
                         );
-                        ty.info |= (btf_func_linkage::BTF_FUNC_STATIC as u32) & 0xFFFF;
+                        ty.info = (ty.info & 0xFFFF0000)
+                            | (btf_func_linkage::BTF_FUNC_STATIC as u32) & 0xFFFF;
                         btf.add_type(BtfType::Func(ty));
                     } else {
                         btf.add_type(BtfType::Func(ty));