linux-kernel - Re: [PATCH 14/22] selftests/coredump: fix userspace client detection

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Message-ID: <CAJqdLrqiHUfKk2FkCUQZXs63_6g32tEV2e_iPtJoNioQFu6xVA@mail.gmail.com>
Date: Tue, 4 Nov 2025 10:12:16 +0100
From: Alexander Mikhalitsyn <alexander@...alicyn.com>
To: Christian Brauner <brauner@...nel.org>
Cc: linux-fsdevel@...r.kernel.org, Oleg Nesterov <oleg@...hat.com>, 
	Amir Goldstein <amir73il@...il.com>, Aleksa Sarai <cyphar@...har.com>, 
	Yu Watanabe <watanabe.yu+github@...il.com>, Josef Bacik <josef@...icpanda.com>, 
	Jeff Layton <jlayton@...nel.org>, Jann Horn <jannh@...gle.com>, 
	Luca Boccassi <luca.boccassi@...il.com>, linux-kernel@...r.kernel.org, 
	Alexander Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>, 
	Lennart Poettering <lennart@...ttering.net>, Mike Yuan <me@...dnzj.com>, 
	Zbigniew Jędrzejewski-Szmek <zbyszek@...waw.pl>
Subject: Re: [PATCH 14/22] selftests/coredump: fix userspace client detection

Am Di., 28. Okt. 2025 um 09:47 Uhr schrieb Christian Brauner
<brauner@...nel.org>:
>
> We need to request PIDFD_INFO_COREDUMP in the first place.
>
> Signed-off-by: Christian Brauner <brauner@...nel.org>

Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@...onical.com>

> ---
>  tools/testing/selftests/coredump/coredump_socket_test.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/coredump/coredump_socket_test.c b/tools/testing/selftests/coredump/coredump_socket_test.c
> index d5ad0e696ab3..658f3966064f 100644
> --- a/tools/testing/selftests/coredump/coredump_socket_test.c
> +++ b/tools/testing/selftests/coredump/coredump_socket_test.c
> @@ -188,7 +188,9 @@ TEST_F(coredump, socket_detect_userspace_client)
>         int pidfd, ret, status;
>         pid_t pid, pid_coredump_server;
>         struct stat st;
> -       struct pidfd_info info = {};
> +       struct pidfd_info info = {
> +               .mask = PIDFD_INFO_COREDUMP,
> +       };
>         int ipc_sockets[2];
>         char c;
>
>
> --
> 2.47.3
>