From: David Howells dhowells@redhat.com
commit 7ea1a0124b6da246b5bc8c66cddaafd36acf3ecb upstream.
Free the watch_queue note allocation bitmap when the watch_queue is destroyed.
Fixes: c73be61cede5 ("pipe: Add general notification queue support") Reported-by: Jann Horn jannh@google.com Signed-off-by: David Howells dhowells@redhat.com Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- kernel/watch_queue.c | 1 + 1 file changed, 1 insertion(+)
--- a/kernel/watch_queue.c +++ b/kernel/watch_queue.c @@ -373,6 +373,7 @@ static void __put_watch_queue(struct kre
for (i = 0; i < wqueue->nr_pages; i++) __free_page(wqueue->notes[i]); + bitmap_free(wqueue->notes_bitmap);
wfilter = rcu_access_pointer(wqueue->filter); if (wfilter)