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Message-ID: <20240516145457.1206847-3-mhal@rbox.co>
Date: Thu, 16 May 2024 16:50:10 +0200
From: Michal Luczaj <mhal@...x.co>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
kuniyu@...zon.com,
shuah@...nel.org
Subject: [PATCH net v2 2/2] selftest: af_unix: Make SCM_RIGHTS into OOB data.
From: Kuniyuki Iwashima <kuniyu@...zon.com>
scm_rights.c covers various test cases for inflight file descriptors
and garbage collector for AF_UNIX sockets.
Currently, SCM_RIGHTS messages are sent with 3-bytes string, and it's
not good for MSG_OOB cases, as SCM_RIGTS cmsg goes with the first 2-bytes,
which is non-OOB data.
Let's send SCM_RIGHTS messages with 1-byte character to pack SCM_RIGHTS
into OOB data.
Signed-off-by: Kuniyuki Iwashima <kuniyu@...zon.com>
---
tools/testing/selftests/net/af_unix/scm_rights.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/net/af_unix/scm_rights.c b/tools/testing/selftests/net/af_unix/scm_rights.c
index bab606c9f1eb..2bfed46e0b19 100644
--- a/tools/testing/selftests/net/af_unix/scm_rights.c
+++ b/tools/testing/selftests/net/af_unix/scm_rights.c
@@ -197,8 +197,8 @@ void __send_fd(struct __test_metadata *_metadata,
const FIXTURE_VARIANT(scm_rights) *variant,
int inflight, int receiver)
{
-#define MSG "nop"
-#define MSGLEN 3
+#define MSG "x"
+#define MSGLEN 1
struct {
struct cmsghdr cmsghdr;
int fd[2];
--
2.45.0
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