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| author |   Miklos Szeredi <mszeredi@redhat.com> | 2018-09-10 11:43:29 +0200 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2018-09-10 12:55:49 +0200 |
| commit | 8c25741aaad8be6fbe51510e917c740e0059cf83 (patch) | |
| tree | 7f376965701e9e17bf83cea45fe0b62b94ae519c /mm | |
| parent | ovl: add ovl_fadvise() (diff) | |
| download | linux-dev-8c25741aaad8be6fbe51510e917c740e0059cf83.tar.xz linux-dev-8c25741aaad8be6fbe51510e917c740e0059cf83.zip | |
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")
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions