X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=kernel%2Fsignal.c;h=ccf1ceedaebef64b137553e2e82250dbfe6a7707;hb=f1a745710f001e8c2eec6d525396083e1f4c389a;hp=809a228019adeb06c8979d86f52473a0d4a168ac;hpb=f9db6e095115f9411b9647bdb9d81fe11f3d8b54;p=~andy%2Flinux

diff --git a/kernel/signal.c b/kernel/signal.c
index 809a228019a..ccf1ceedaeb 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -832,6 +832,7 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
 {
 	struct sigpending *pending;
 	struct sigqueue *q;
+	int override_rlimit;
 
 	trace_sched_signal_send(sig, t);
 
@@ -863,9 +864,13 @@ static int __send_signal(int sig, struct siginfo *info, struct task_struct *t,
 	   make sure at least one signal gets delivered and don't
 	   pass on the info struct.  */
 
-	q = __sigqueue_alloc(t, GFP_ATOMIC, (sig < SIGRTMIN &&
-					     (is_si_special(info) ||
-					      info->si_code >= 0)));
+	if (sig < SIGRTMIN)
+		override_rlimit = (is_si_special(info) || info->si_code >= 0);
+	else
+		override_rlimit = 0;
+
+	q = __sigqueue_alloc(t, GFP_ATOMIC | __GFP_NOTRACK_FALSE_POSITIVE,
+		override_rlimit);
 	if (q) {
 		list_add_tail(&q->list, &pending->list);
 		switch ((unsigned long) info) {
@@ -1405,7 +1410,7 @@ int do_notify_parent(struct task_struct *tsk, int sig)
  	/* do_notify_parent_cldstop should have been called instead.  */
  	BUG_ON(task_is_stopped_or_traced(tsk));
 
-	BUG_ON(!tsk->ptrace &&
+	BUG_ON(!task_ptrace(tsk) &&
 	       (tsk->group_leader != tsk || !thread_group_empty(tsk)));
 
 	info.si_signo = sig;
@@ -1444,7 +1449,7 @@ int do_notify_parent(struct task_struct *tsk, int sig)
 
 	psig = tsk->parent->sighand;
 	spin_lock_irqsave(&psig->siglock, flags);
-	if (!tsk->ptrace && sig == SIGCHLD &&
+	if (!task_ptrace(tsk) && sig == SIGCHLD &&
 	    (psig->action[SIGCHLD-1].sa.sa_handler == SIG_IGN ||
 	     (psig->action[SIGCHLD-1].sa.sa_flags & SA_NOCLDWAIT))) {
 		/*
@@ -1481,7 +1486,7 @@ static void do_notify_parent_cldstop(struct task_struct *tsk, int why)
 	struct task_struct *parent;
 	struct sighand_struct *sighand;
 
-	if (tsk->ptrace & PT_PTRACED)
+	if (task_ptrace(tsk))
 		parent = tsk->parent;
 	else {
 		tsk = tsk->group_leader;
@@ -1494,7 +1499,7 @@ static void do_notify_parent_cldstop(struct task_struct *tsk, int why)
 	 * see comment in do_notify_parent() abot the following 3 lines
 	 */
 	rcu_read_lock();
-	info.si_pid = task_pid_nr_ns(tsk, tsk->parent->nsproxy->pid_ns);
+	info.si_pid = task_pid_nr_ns(tsk, parent->nsproxy->pid_ns);
 	info.si_uid = __task_cred(tsk)->uid;
 	rcu_read_unlock();
 
@@ -1530,7 +1535,7 @@ static void do_notify_parent_cldstop(struct task_struct *tsk, int why)
 
 static inline int may_ptrace_stop(void)
 {
-	if (!likely(current->ptrace & PT_PTRACED))
+	if (!likely(task_ptrace(current)))
 		return 0;
 	/*
 	 * Are we in the middle of do_coredump?
@@ -1748,7 +1753,7 @@ static int do_signal_stop(int signr)
 static int ptrace_signal(int signr, siginfo_t *info,
 			 struct pt_regs *regs, void *cookie)
 {
-	if (!(current->ptrace & PT_PTRACED))
+	if (!task_ptrace(current))
 		return signr;
 
 	ptrace_signal_deliver(regs, cookie);