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selftest: af_unix: Make SCM_RIGHTS into OOB data.

Browse Source 
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@amazon.com>
Signed-off-by: Michal Luczaj <mhal@rbox.co>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Kuniyuki Iwashima 2024-05-17 11:27:02 +02:00 committed by Paolo Abeni
parent 041933a1ec
commit e060e433e5
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/net/af_unix/scm_rights.c
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@ -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];