From: Kuniyuki Iwashima <kuniyu@amazon.com>
To: <mirsad.todorovac@alu.hr>
Cc: <davem@davemloft.net>, <edumazet@google.com>, <fw@strlen.de>,
<kuba@kernel.org>, <kuniyu@amazon.co.jp>, <kuniyu@amazon.com>,
<linux-kernel@vger.kernel.org>, <linux-kselftest@vger.kernel.org>,
<mirsad.todorovac@alu.unizg.hr>, <netdev@vger.kernel.org>,
<pabeni@redhat.com>, <shuah@kernel.org>
Subject: Re: [PATCH net v4] af_unix: selftest: Fix the size of the parameter to connect()
Date: Mon, 9 Jan 2023 10:15:12 +0900 [thread overview]
Message-ID: <20230109011512.15267-1-kuniyu@amazon.com> (raw)
In-Reply-To: <alpine.DEB.2.21.2301070437400.26826@domac.alu.hr>
From: Mirsad Goran Todorovac <mirsad.todorovac@alu.hr>
Date: Sat, 7 Jan 2023 04:40:20 +0100 (CET)
> From: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
>
> Adjust size parameter in connect() to match the type of the parameter, to
> fix "No such file or directory" error in selftests/net/af_unix/
> test_oob_unix.c:127.
>
> The existing code happens to work provided that the autogenerated pathname
> is shorter than sizeof (struct sockaddr), which is why it hasn't been
> noticed earlier.
>
> Visible from the trace excerpt:
>
> bind(3, {sa_family=AF_UNIX, sun_path="unix_oob_453059"}, 110) = 0
> clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7fa6a6577a10) = 453060
> [pid <child>] connect(6, {sa_family=AF_UNIX, sun_path="unix_oob_45305"}, 16) = -1 ENOENT (No such file or directory)
>
> BUG: The filename is trimmed to sizeof (struct sockaddr).
>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Eric Dumazet <edumazet@google.com>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: Paolo Abeni <pabeni@redhat.com>
> Cc: Shuah Khan <shuah@kernel.org>
> Cc: Kuniyuki Iwashima <kuniyu@amazon.co.jp>
> Cc: Florian Westphal <fw@strlen.de>
> Reviewed-by: Florian Westphal <fw@strlen.de>
> Fixes: 314001f0bf92 ("af_unix: Add OOB support")
> Signed-off-by: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
You can check the current status here.
https://patchwork.kernel.org/project/netdevbpf/patch/alpine.DEB.2.21.2301070437400.26826@domac.alu.hr/
PS: you may want to check config not to send a mail as multipart next time.
Thank you,
Kuniyuki
> ---
>
> The patch is generated against the "vanilla" Torvalds mainline tree 6.2-rc2.
> (Tested and applies against the net.git tree.)
>
>
> tools/testing/selftests/net/af_unix/test_unix_oob.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/net/af_unix/test_unix_oob.c b/tools/testing/selftests/net/af_unix/test_unix_oob.c
> index b57e91e1c3f2..532459a15067 100644
> --- a/tools/testing/selftests/net/af_unix/test_unix_oob.c
> +++ b/tools/testing/selftests/net/af_unix/test_unix_oob.c
> @@ -124,7 +124,7 @@ void producer(struct sockaddr_un *consumer_addr)
>
> wait_for_signal(pipefd[0]);
> if (connect(cfd, (struct sockaddr *)consumer_addr,
> - sizeof(struct sockaddr)) != 0) {
> + sizeof(*consumer_addr)) != 0) {
> perror("Connect failed");
> kill(0, SIGTERM);
> exit(1);
>
> --
> Mirsad Goran Todorovac
> Sistem inženjer
> Grafički fakultet | Akademija likovnih umjetnosti
> Sveučilište u Zagrebu
>
> System engineer
> Faculty of Graphic Arts | Academy of Fine Arts
> University of Zagreb, Republic of Croatia
> The European Union
next prev parent reply other threads:[~2023-01-09 1:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-06 17:18 [PATCH selftest/net/af_unix 1/1] Fix size of parameter to connect() Mirsad Goran Todorovac
2023-01-06 17:58 ` Kuniyuki Iwashima
2023-01-06 19:19 ` Mirsad Goran Todorovac
2023-01-06 19:28 ` [PATCH net v2] af_unix: selftest: Fix the size of the " Mirsad Goran Todorovac
2023-01-07 0:14 ` Jakub Kicinski
2023-01-07 1:37 ` [PATCH net v3] " Mirsad Goran Todorovac
2023-01-07 1:42 ` [PATCH net v2] " Mirsad Goran Todorovac
2023-01-07 2:08 ` Jakub Kicinski
2023-01-07 3:36 ` Mirsad Goran Todorovac
2023-01-07 3:40 ` [PATCH net v4] " Mirsad Goran Todorovac
2023-01-09 1:15 ` Kuniyuki Iwashima [this message]
2023-01-09 8:53 ` Mirsad Goran Todorovac
2023-01-09 8:20 ` patchwork-bot+netdevbpf
2023-01-08 21:30 ` [PATCH net v2] " Mirsad Goran Todorovac
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