netdev - Re: [PATCH v7 8/9] selftests/pidfd: add PIDFD_INFO

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Message-ID: <CAJqdLrq_MG0z+BMCCxX4EGkSyzz-nOuRc+Z0E+wTHH+98KEs8Q@mail.gmail.com>
Date: Thu, 15 May 2025 16:35:53 +0200
From: Alexander Mikhalitsyn <alexander@...alicyn.com>
To: Christian Brauner <brauner@...nel.org>
Cc: linux-fsdevel@...r.kernel.org, Jann Horn <jannh@...gle.com>, 
	Daniel Borkmann <daniel@...earbox.net>, Kuniyuki Iwashima <kuniyu@...zon.com>, 
	Eric Dumazet <edumazet@...gle.com>, Oleg Nesterov <oleg@...hat.com>, 
	"David S. Miller" <davem@...emloft.net>, Alexander Viro <viro@...iv.linux.org.uk>, 
	Daan De Meyer <daan.j.demeyer@...il.com>, David Rheinsberg <david@...dahead.eu>, 
	Jakub Kicinski <kuba@...nel.org>, Jan Kara <jack@...e.cz>, 
	Lennart Poettering <lennart@...ttering.net>, Luca Boccassi <bluca@...ian.org>, Mike Yuan <me@...dnzj.com>, 
	Paolo Abeni <pabeni@...hat.com>, Simon Horman <horms@...nel.org>, 
	Zbigniew Jędrzejewski-Szmek <zbyszek@...waw.pl>, 
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org, 
	linux-security-module@...r.kernel.org
Subject: Re: [PATCH v7 8/9] selftests/pidfd: add PIDFD_INFO_COREDUMP infrastructure

Am Do., 15. Mai 2025 um 00:04 Uhr schrieb Christian Brauner
<brauner@...nel.org>:
>
> Add PIDFD_INFO_COREDUMP infrastructure so we can use it in tests.
>
> Signed-off-by: Christian Brauner <brauner@...nel.org>

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

> ---
>  tools/testing/selftests/pidfd/pidfd.h | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
>
> diff --git a/tools/testing/selftests/pidfd/pidfd.h b/tools/testing/selftests/pidfd/pidfd.h
> index 55bcf81a2b9a..887c74007086 100644
> --- a/tools/testing/selftests/pidfd/pidfd.h
> +++ b/tools/testing/selftests/pidfd/pidfd.h
> @@ -131,6 +131,26 @@
>  #define PIDFD_INFO_EXIT                        (1UL << 3) /* Always returned if available, even if not requested */
>  #endif
>
> +#ifndef PIDFD_INFO_COREDUMP
> +#define PIDFD_INFO_COREDUMP    (1UL << 4)
> +#endif
> +
> +#ifndef PIDFD_COREDUMPED
> +#define PIDFD_COREDUMPED       (1U << 0) /* Did crash and... */
> +#endif
> +
> +#ifndef PIDFD_COREDUMP_SKIP
> +#define PIDFD_COREDUMP_SKIP    (1U << 1) /* coredumping generation was skipped. */
> +#endif
> +
> +#ifndef PIDFD_COREDUMP_USER
> +#define PIDFD_COREDUMP_USER    (1U << 2) /* coredump was done as the user. */
> +#endif
> +
> +#ifndef PIDFD_COREDUMP_ROOT
> +#define PIDFD_COREDUMP_ROOT    (1U << 3) /* coredump was done as root. */
> +#endif
> +
>  #ifndef PIDFD_THREAD
>  #define PIDFD_THREAD O_EXCL
>  #endif
> @@ -150,6 +170,9 @@ struct pidfd_info {
>         __u32 fsuid;
>         __u32 fsgid;
>         __s32 exit_code;
> +       __u32 coredump_mask;
> +       __u32 __spare1;
> +       __u64 coredump_cookie;
>  };
>
>  /*
>
> --
> 2.47.2
>