Miklos Szeredi 8c25741aaa ovl: fix oopses in ovl_fill_super() failure paths ...

ovl_free_fs() dereferences ofs->workbasedir and ofs->upper_mnt in cases when
those might not have been initialized yet.

Fix the initialization order for these fields.

Reported-by: syzbot+c75f181dc8429d2eb887@syzkaller.appspotmail.com
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Cc:  <stable@vger.kernel.org> # v4.15
Fixes: 95e6d4177cb7 ("ovl: grab reference to workbasedir early")
Fixes: a9075cdb467d ("ovl: factor out ovl_free_fs() helper")

2018-09-10 12:55:49 +02:00

..

copy_up.c

ovl: Enable metadata only feature

2018-07-20 09:56:17 +02:00

dir.c

ovl: set I_CREATING on inode being created

2018-08-22 13:15:25 -07:00

export.c

ovl: Modify ovl_lookup() and friends to lookup metacopy dentry

2018-07-20 09:56:09 +02:00

file.c

ovl: add ovl_fadvise()

2018-09-03 09:43:10 +02:00

inode.c

ovl: fix GPF in swapfile_activate of file from overlayfs over xfs

2018-08-30 17:08:35 +02:00

Kconfig

ovl: Provide a mount option metacopy=on/off for metadata copyup

2018-07-20 09:56:06 +02:00

Makefile

ovl: stack file ops

2018-07-18 15:44:41 +02:00

namei.c

ovl: Check redirect on index as well

2018-07-20 09:56:16 +02:00

overlayfs.h

ovl: add helper to force data copy-up

2018-07-20 09:56:16 +02:00

ovl_entry.h

ovl: Store lower data inode in ovl_inode

2018-07-20 09:56:11 +02:00

readdir.c

ovl: fix wrong use of impure dir cache in ovl_iterate()

2018-07-17 16:04:34 +02:00

super.c

ovl: fix oopses in ovl_fill_super() failure paths

2018-09-10 12:55:49 +02:00

util.c

ovl: Check redirect on index as well

2018-07-20 09:56:16 +02:00