From: Amir Goldstein <amir73il@gmail.com> mainline inclusion from mainline-v6.9 commit aef8acd79f363ced098cd3bcde0a5978a52607ad category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IBHLU4 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... -------------------------------- To allow us extending the interface in the future. Fixes: 44350256ab94 ("fuse: implement ioctls to manage backing files") Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Yifan Qiao <qiaoyifan4@huawei.com> --- fs/fuse/passthrough.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c index 1567f0323858..9666d13884ce 100644 --- a/fs/fuse/passthrough.c +++ b/fs/fuse/passthrough.c @@ -225,7 +225,7 @@ int fuse_backing_open(struct fuse_conn *fc, struct fuse_backing_map *map) goto out; res = -EINVAL; - if (map->flags) + if (map->flags || map->padding) goto out; file = fget(map->fd); -- 2.39.2