Miklos Szeredi d2ccdd4e4e ovl: fix warning in ovl_create_real() ... commit 1f5573cfe7 upstream. Syzbot triggered the following warning in ovl_workdir_create() -> ovl_create_real(): if (!err && WARN_ON(!newdentry->d_inode)) { The reason is that the cgroup2 filesystem returns from mkdir without instantiating the new dentry. Weird filesystems such as this will be rejected by overlayfs at a later stage during setup, but to prevent such a warning, call ovl_mkdir_real() directly from ovl_workdir_create() and reject this case early. Reported-and-tested-by: syzbot+75eab84fd0af9e8bf66b@syzkaller.appspotmail.com Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-12-22 09:32:50 +01:00
..
copy_up.c	ovl: fix filattr copy-up failure	2021-11-18 19:16:04 +01:00
dir.c	ovl: fix warning in ovl_create_real()	2021-12-22 09:32:50 +01:00
export.c	ovl: fix uninitialized pointer read in ovl_lookup_real_one()	2021-08-10 10:21:30 +02:00
file.c	ovl: fix use after free in struct ovl_aio_req	2021-11-18 19:16:04 +01:00
inode.c	ovl: fix filattr copy-up failure	2021-11-18 19:16:04 +01:00
Kconfig	docs: fix broken references to text files	2020-04-20 15:35:59 -06:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00
namei.c	ovl: relax lookup error on mismatch origin ftype	2021-08-17 11:47:44 +02:00
overlayfs.h	ovl: fix warning in ovl_create_real()	2021-12-22 09:32:50 +01:00
ovl_entry.h	ovl: implement volatile-specific fsync error behaviour	2021-01-28 10:22:48 +01:00
readdir.c	ovl: skip stale entries in merge dir cache iteration	2021-08-10 10:21:30 +02:00
super.c	ovl: fix warning in ovl_create_real()	2021-12-22 09:32:50 +01:00
util.c	ovl: consistent behavior for immutable/append-only inodes	2021-08-17 11:47:43 +02:00