linux-kernel - [PATCH 03/22] pidfs: add missing PIDFD_INFO_SIZE

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Message-Id: <20251028-work-coredump-signal-v1-3-ca449b7b7aa0@kernel.org>
Date: Tue, 28 Oct 2025 09:45:48 +0100
From: Christian Brauner <brauner@...nel.org>
To: linux-fsdevel@...r.kernel.org
Cc: 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>, 
 Alexander Mikhalitsyn <alexander@...alicyn.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>, 
 Christian Brauner <brauner@...nel.org>
Subject: [PATCH 03/22] pidfs: add missing PIDFD_INFO_SIZE_VER1

We grew struct pidfd_info not too long ago.

Fixes: 1d8db6fd698d ("pidfs, coredump: add PIDFD_INFO_COREDUMP")
Signed-off-by: Christian Brauner <brauner@...nel.org>
---
 include/uapi/linux/pidfd.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/pidfd.h b/include/uapi/linux/pidfd.h
index 957db425d459..6ccbabd9a68d 100644
--- a/include/uapi/linux/pidfd.h
+++ b/include/uapi/linux/pidfd.h
@@ -28,6 +28,7 @@
 #define PIDFD_INFO_COREDUMP		(1UL << 4) /* Only returned if requested. */
 
 #define PIDFD_INFO_SIZE_VER0		64 /* sizeof first published struct */
+#define PIDFD_INFO_SIZE_VER1		72 /* sizeof second published struct */
 
 /*
  * Values for @coredump_mask in pidfd_info.

-- 
2.47.3