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selftest: af_unix: Add test case with mixed lowpoint in scm_rights.c.

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The new test case creates two SCCs so that each of them
has multiple scc_index.

Without patch, GC cannot free the sockets and the test fails.

  #  RUN           scm_rights.dgram.mixed_lowpoints ...
  # scm_rights.c:176:mixed_lowpoints:Expected 0 (0) == ret (12)
  # mixed_lowpoints: Test terminated by assertion
  #          FAIL  scm_rights.dgram.mixed_lowpoints
  not ok 5 scm_rights.dgram.mixed_lowpoints
  ...
  # FAILED: 45 / 50 tests passed.
  # Totals: pass:45 fail:5 xfail:0 xpass:0 skip:0 error:0

With the patch, all tests pass.

  # PASSED: 50 / 50 tests passed.
  # Totals: pass:50 fail:0 xfail:0 xpass:0 skip:0 error:0

Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20260912030852.1467872-3-kuniyu@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Kuniyuki Iwashima 2026-09-12 03:07:52 +00:00 committed by Jakub Kicinski
parent 4a4263dfea
commit b645ccd410
1 changed files with 17 additions and 0 deletions
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17
tools/testing/selftests/net/af_unix/scm_rights.c
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@ -378,4 +378,21 @@ TEST_F(scm_rights, backtrack_from_scc)
close_sockets(10);
}
TEST_F(scm_rights, mixed_lowpoint)
{
create_sockets(6);
send_fd(0, 1);
send_fd(1, 2);
send_fd(2, 1);
send_fd(1, 0);
send_fd(3, 4);
send_fd(4, 5);
send_fd(5, 4);
send_fd(4, 3);
close_sockets(6);
}
TEST_HARNESS_MAIN