From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Tycho Andersen To: Kees Cook Cc: linux-kernel@vger.kernel.org, containers@lists.linux-foundation.org, linux-api@vger.kernel.org, Andy Lutomirski , Oleg Nesterov , "Eric W . Biederman" , "Serge E . Hallyn" , Christian Brauner , Tyler Hicks , Akihiro Suda , Jann Horn , linux-fsdevel@vger.kernel.org, Tycho Andersen Subject: [PATCH v7 2/6] seccomp: make get_nth_filter available outside of CHECKPOINT_RESTORE Date: Thu, 27 Sep 2018 09:11:15 -0600 Message-Id: <20180927151119.9989-3-tycho@tycho.ws> In-Reply-To: <20180927151119.9989-1-tycho@tycho.ws> References: <20180927151119.9989-1-tycho@tycho.ws> Sender: linux-kernel-owner@vger.kernel.org List-ID: In the next commit we'll use this same mnemonic to get a listener for the nth filter, so we need it available outside of CHECKPOINT_RESTORE in the USER_NOTIFICATION case as well. v2: new in v2 v3: no changes v4: no changes v5: switch to CHECKPOINT_RESTORE || USER_NOTIFICATION to avoid warning when only CONFIG_SECCOMP_FILTER is enabled. v7: drop USER_NOTIFICATION bits Signed-off-by: Tycho Andersen CC: Kees Cook CC: Andy Lutomirski CC: Oleg Nesterov CC: Eric W. Biederman CC: "Serge E. Hallyn" CC: Christian Brauner CC: Tyler Hicks CC: Akihiro Suda --- kernel/seccomp.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/kernel/seccomp.c b/kernel/seccomp.c index fa6fe9756c80..44a31ac8373a 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -1158,7 +1158,7 @@ long prctl_set_seccomp(unsigned long seccomp_mode, char __user *filter) return do_seccomp(op, 0, uargs); } -#if defined(CONFIG_SECCOMP_FILTER) && defined(CONFIG_CHECKPOINT_RESTORE) +#if defined(CONFIG_SECCOMP_FILTER) static struct seccomp_filter *get_nth_filter(struct task_struct *task, unsigned long filter_off) { @@ -1205,6 +1205,7 @@ static struct seccomp_filter *get_nth_filter(struct task_struct *task, return filter; } +#if defined(CONFIG_CHECKPOINT_RESTORE) long seccomp_get_filter(struct task_struct *task, unsigned long filter_off, void __user *data) { @@ -1277,7 +1278,8 @@ long seccomp_get_metadata(struct task_struct *task, __put_seccomp_filter(filter); return ret; } -#endif +#endif /* CONFIG_CHECKPOINT_RESTORE */ +#endif /* CONFIG_SECCOMP_FILTER */ #ifdef CONFIG_SYSCTL -- 2.17.1