From nobody Fri Dec 19 20:34:58 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D740E2153D8; Wed, 14 May 2025 22:04:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747260280; cv=none; b=dhwMPkH54szJuhLOHTDfAf3KnTKEnWSWtznrCdZ0vCtvWztH50RQvSOzF1Eyh7xpWvReIA3JTVYXb5SsOnCrfq7bTdehpLDnVGCi3DXoDzI0M/GyHRVs6QROYykYQODpdJthwIzU37PajcWYi6x52wF4JoItB3HIsyLpsvZTp3M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747260280; c=relaxed/simple; bh=WF46UsPN75VDjMGLBPpKqGhF8yXGNp/YIhfAlM9Ro+U=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IG9u3ra5NFGEVdrBHRcHQtpmnHG4ef4xR5e3rfXCp/TO7WkVLWGAIf2YSBSAqz9CAMokQM27dt/FvOY7jX1bw7cWdQfD47TSvt24gsUYy9FlhqVS5Mg0hojgjPpO+u/g++QjcKCA1PmNUNN03lmnsqKl4DMnyBP/gLLeElwCqtg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PUdZ7K0j; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PUdZ7K0j" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B4B48C4CEE3; Wed, 14 May 2025 22:04:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747260279; bh=WF46UsPN75VDjMGLBPpKqGhF8yXGNp/YIhfAlM9Ro+U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=PUdZ7K0j17nsI5ayN7DSVjltWpYjm6oTU1mp9NUMsiQ9ampYAeKPhPeTt5brHKqQh b1YCx1yrkI4VntLHgZSntgzZxTZm/caerNwwEbZfo3cmjqmUAAc+WZtu2wrI3aEliM ri/vW74f+MTIsZTTIZ9s9SYep4C/tnT4eUj+KgBI15odyyFD3ZMQTMMsWqMdoD3TBE BQo0NsjZUHoei2FKsRI6FKvdPXAoQNC2wdOgDR1y60rz7ozbuM8mS24iiXkbAH+g6f SGDX5xFhxlvhWX7rj2wfQa8CG5G5AJztoexZMQcmzdeXHoign0VYTe4epLf9WTRdY2 WYn7RL2x4q9UA== From: Christian Brauner Date: Thu, 15 May 2025 00:03:41 +0200 Subject: [PATCH v7 8/9] selftests/pidfd: add PIDFD_INFO_COREDUMP infrastructure Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250515-work-coredump-socket-v7-8-0a1329496c31@kernel.org> References: <20250515-work-coredump-socket-v7-0-0a1329496c31@kernel.org> In-Reply-To: <20250515-work-coredump-socket-v7-0-0a1329496c31@kernel.org> To: linux-fsdevel@vger.kernel.org, Jann Horn , Daniel Borkmann , Kuniyuki Iwashima Cc: Eric Dumazet , Oleg Nesterov , "David S. Miller" , Alexander Viro , Daan De Meyer , David Rheinsberg , Jakub Kicinski , Jan Kara , Lennart Poettering , Luca Boccassi , Mike Yuan , Paolo Abeni , Simon Horman , =?utf-8?q?Zbigniew_J=C4=99drzejewski-Szmek?= , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-security-module@vger.kernel.org, Christian Brauner , Alexander Mikhalitsyn X-Mailer: b4 0.15-dev-c25d1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1381; i=brauner@kernel.org; h=from:subject:message-id; bh=WF46UsPN75VDjMGLBPpKqGhF8yXGNp/YIhfAlM9Ro+U=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWSoCntKiHV/2tWx+UDRFq9PT75FCXS2rnSs5PT8MNHWi tPMcK1VRykLgxgXg6yYIotDu0m43HKeis1GmRowc1iZQIYwcHEKwEQKixkZ1mqXeZYdZTVnDI+1 0p/xf7HU1aasrZ6W2dVuX6avPCwby/DPxi1xptY83v/HVkpxXs2729aYl3PifPG23QrbV8S9cGr hAgA= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 Add PIDFD_INFO_COREDUMP infrastructure so we can use it in tests. Signed-off-by: Christian Brauner Reviewed-by: Alexander Mikhalitsyn --- tools/testing/selftests/pidfd/pidfd.h | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tools/testing/selftests/pidfd/pidfd.h b/tools/testing/selftest= s/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 =20 +#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 skippe= d. */ +#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; }; =20 /* --=20 2.47.2