1 files changed, 7 insertions, 1 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index fe590e00db8d..f9405609774e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -363,7 +363,13 @@ static int __dequeue_signal(struct sigpending *pending, sigset_t *mask,
  */
 int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info)
 {
-        int signr = __dequeue_signal(&tsk->pending, mask, info);
+        int signr = 0;
+
+        /* We only dequeue private signals from ourselves, we don't let
+         * signalfd steal them
+         */
+        if (tsk == current)
+                signr = __dequeue_signal(&tsk->pending, mask, info);
         if (!signr) {
                 signr = __dequeue_signal(&tsk->signal->shared_pending,
                                          mask, info);