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af_unix: Add test for consecutive consumed OOB.

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Let's add a test case where consecutive concumed OOB skbs stay
at the head of the queue.

Without the previous patch, ioctl(SIOCATMARK) assertion fails.

Before:

  #  RUN           msg_oob.no_peek.ex_oob_ex_oob_oob ...
  # msg_oob.c:305:ex_oob_ex_oob_oob:Expected answ[0] (0) == oob_head (1)
  # ex_oob_ex_oob_oob: Test terminated by assertion
  #          FAIL  msg_oob.no_peek.ex_oob_ex_oob_oob
  not ok 12 msg_oob.no_peek.ex_oob_ex_oob_oob

After:

  #  RUN           msg_oob.no_peek.ex_oob_ex_oob_oob ...
  #            OK  msg_oob.no_peek.ex_oob_ex_oob_oob
  ok 12 msg_oob.no_peek.ex_oob_ex_oob_oob

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20250619041457.1132791-3-kuni1840@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Kuniyuki Iwashima
2025-06-18 21:13:56 -07:00
committed by Paolo Abeni
parent 32ca245464
commit e1ca44e85f
1 changed files with 23 additions and 0 deletions
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23
tools/testing/selftests/net/af_unix/msg_oob.c
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@@ -548,6 +548,29 @@ TEST_F(msg_oob, ex_oob_oob)
siocatmarkpair(false);
}
TEST_F(msg_oob, ex_oob_ex_oob_oob)
{
sendpair("x", 1, MSG_OOB);
epollpair(true);
siocatmarkpair(true);
recvpair("x", 1, 1, MSG_OOB);
epollpair(false);
siocatmarkpair(true);
sendpair("y", 1, MSG_OOB);
epollpair(true);
siocatmarkpair(true);
recvpair("y", 1, 1, MSG_OOB);
epollpair(false);
siocatmarkpair(true);
sendpair("z", 1, MSG_OOB);
epollpair(true);
siocatmarkpair(true);
}
TEST_F(msg_oob, ex_oob_ahead_break)
{
sendpair("hello", 5, MSG_OOB);