diff options
-rw-r--r-- | fs/userfaultfd.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index dd48052e086f..2407249998c3 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -549,6 +549,15 @@ static void userfaultfd_event_wait_completion(struct userfaultfd_ctx *ctx, if (ACCESS_ONCE(ctx->released) || fatal_signal_pending(current)) { __remove_wait_queue(&ctx->event_wqh, &ewq->wq); + if (ewq->msg.event == UFFD_EVENT_FORK) { + struct userfaultfd_ctx *new; + + new = (struct userfaultfd_ctx *) + (unsigned long) + ewq->msg.arg.reserved.reserved1; + + userfaultfd_ctx_put(new); + } break; } |