1 files changed, 4 insertions, 0 deletions

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index edf5f0093f22..ed3edc283255 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -1474,6 +1474,10 @@ static noinline int btrfs_ioctl_resize(struct file *file,
                 }
                 new_size = old_size - new_size;
         } else if (mod > 0) {
+                if (new_size > ULLONG_MAX - old_size) {
+                        ret = -EINVAL;
+                        goto out_free;
+                }
                 new_size = old_size + new_size;
         }