diff options
| author | Sean Young <sean@mess.org> | 2020-08-08 13:19:12 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-09-09 19:12:34 +0200 |
| commit | 2d89e44dc932525784e1f7132f4523d54c1da007 (patch) | |
| tree | e9384c6d869d62a3d692d091913359ce6df75897 /include/linux/start_kernel.h | |
| parent | 5925179bbc64b3393bbea032cf8de080ac51736d (diff) | |
media: rc: uevent sysfs file races with rc_unregister_device()
commit 4f0835d6677dc69263f90f976524cb92b257d9f4 upstream.
Only report uevent file contents if device still registered, else we
might read freed memory.
Reported-by: syzbot+ceef16277388d6f24898@syzkaller.appspotmail.com
Cc: Hillf Danton <hdanton@sina.com>
Cc: <stable@vger.kernel.org> # 4.16+
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/start_kernel.h')
0 files changed, 0 insertions, 0 deletions