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Date: Tue, 7 May 2013 10:20:52 +0800 From: Gao feng <gaofeng@...fujitsu.com> To: viro@...iv.linux.org.uk, eparis@...hat.com, ebiederm@...ssion.com, sgrubb@...hat.com, akpm@...ux-foundation.org, serge.hallyn@...ntu.com, davem@...emloft.net Cc: netdev@...r.kernel.org, containers@...ts.linux-foundation.org, linux-kernel@...r.kernel.org, linux-audit@...hat.com, Gao feng <gaofeng@...fujitsu.com> Subject: [PATCH RFC 31/48] Audit: pass proper user namespace to audit_filter_syscall We should use the proper user namespace to filter the syscall. Signed-off-by: Gao feng <gaofeng@...fujitsu.com> --- kernel/auditsc.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 29c3e05..5401d21 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -866,14 +866,15 @@ static enum audit_state audit_filter_task(struct task_struct *tsk, char **key) * also not high enough that we already know we have to write an audit * record (i.e., the state is AUDIT_SETUP_CONTEXT or AUDIT_BUILD_CONTEXT). */ -static enum audit_state audit_filter_syscall(struct task_struct *tsk, +static enum audit_state audit_filter_syscall(struct user_namespace *ns, + struct task_struct *tsk, struct audit_context *ctx, struct list_head *list) { struct audit_entry *e; enum audit_state state; - if (init_user_ns.audit.pid && tsk->tgid == init_user_ns.audit.pid) + if (ns->audit.pid && tsk->tgid == ns->audit.pid) return AUDIT_DISABLED; rcu_read_lock(); @@ -976,7 +977,7 @@ static inline struct audit_context *audit_get_context(struct task_struct *tsk, context->return_code = return_code; if (context->in_syscall && !context->dummy) { - audit_filter_syscall(tsk, context, + audit_filter_syscall(ns, tsk, context, &ns->audit.filter_list[AUDIT_FILTER_EXIT]); audit_filter_inodes(tsk, context); } @@ -1784,7 +1785,7 @@ void __audit_syscall_entry(int arch, int major, context->dummy = !audit_n_rules; if (!context->dummy && state == AUDIT_BUILD_CONTEXT) { context->prio = 0; - state = audit_filter_syscall(tsk, context, + state = audit_filter_syscall(ns, tsk, context, &ns->audit.filter_list[AUDIT_FILTER_ENTRY]); } if (state == AUDIT_DISABLED) -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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