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Thu, 03 Jul 2025 15:23:51 -0700 (PDT) Received: from amikhalitsyn.lan ([178.24.219.243]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-60fcb1fb083sm355164a12.62.2025.07.03.15.23.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Jul 2025 15:23:50 -0700 (PDT) From: Alexander Mikhalitsyn To: kuniyu@google.com Cc: Alexander Mikhalitsyn , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Willem de Bruijn , Leon Romanovsky , Arnd Bergmann , Christian Brauner , Lennart Poettering , Luca Boccassi , David Rheinsberg Subject: [PATCH net-next v3 6/7] af_unix: enable handing out pidfds for reaped tasks in SCM_PIDFD Date: Fri, 4 Jul 2025 00:23:10 +0200 Message-ID: <20250703222314.309967-7-aleksandr.mikhalitsyn@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250703222314.309967-1-aleksandr.mikhalitsyn@canonical.com> References: <20250703222314.309967-1-aleksandr.mikhalitsyn@canonical.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Now everything is ready to pass PIDFD_STALE to pidfd_prepare(). This will allow opening pidfd for reaped tasks. Cc: linux-kernel@vger.kernel.org Cc: netdev@vger.kernel.org Cc: "David S. Miller" Cc: Eric Dumazet Cc: Jakub Kicinski Cc: Paolo Abeni Cc: Simon Horman Cc: Willem de Bruijn Cc: Leon Romanovsky Cc: Arnd Bergmann Cc: Christian Brauner Cc: Kuniyuki Iwashima Cc: Lennart Poettering Cc: Luca Boccassi Cc: David Rheinsberg Signed-off-by: Alexander Mikhalitsyn Reviewed-by: Christian Brauner Reviewed-by: Kuniyuki Iwashima --- net/core/scm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/core/scm.c b/net/core/scm.c index 358a4e04d46c..072d5742440a 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -23,6 +23,7 @@ #include #include #include +#include #include #include #include @@ -482,7 +483,7 @@ static void scm_pidfd_recv(struct msghdr *msg, struct s= cm_cookie *scm) if (!scm->pid) return; =20 - pidfd =3D pidfd_prepare(scm->pid, 0, &pidfd_file); + pidfd =3D pidfd_prepare(scm->pid, PIDFD_STALE, &pidfd_file); =20 if (put_cmsg(msg, SOL_SOCKET, SCM_PIDFD, sizeof(int), &pidfd)) { if (pidfd_file) { --=20 2.43.0