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This patch adds test cases to verify the new GC.
We run each test for the following cases:
* SOCK_DGRAM
* SOCK_STREAM without embryo socket
* SOCK_STREAM without embryo socket + MSG_OOB
* SOCK_STREAM with embryo sockets
* SOCK_STREAM with embryo sockets + MSG_OOB
Before and after running each test case, we ensure that there is
no AF_UNIX socket left in the netns by reading /proc/net/protocols.
We cannot use /proc/net/unix and UNIX_DIAG because the embryo socket
does not show up there.
Each test creates multiple sockets in an array. We pass sockets in
the even index using the peer sockets in the odd index.
So, send_fd(0, 1) actually sends fd[0] to fd[2] via fd[0 + 1].
Test 1 : A <-> A
Test 2 : A <-> B
Test 3 : A -> B -> C <- D
^.___|___.' ^
`---------'
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Link: https://lore.kernel.org/r/20240325202425.60930-16-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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| .. | ||
| crypto/chacha20-s390 | ||
| cxl | ||
| fault-injection | ||
| ktest | ||
| kunit | ||
| memblock | ||
| nvdimm | ||
| radix-tree | ||
| scatterlist | ||
| selftests | ||
| vsock | ||