On Mon, Nov 15, 2021 at 6:37 PM zhangyue <zhangyue1@xxxxxxxxxx> wrote: > > int driver/md/md.c, if the function autorun_array() is called, > the problem of double free may occur. > > in function autorun_array(), when the function do_md_run() returns an > error, the function do_md_stop() will be called. > > The function do_md_run() called function md_run(), but in function > md_run(), the pointer mddev->private may be freed. > > The function do_md_stop() called the function __md_stop(), but in > function __md_stop(), the pointer mddev->private also will be freed > without judging null. > > At this time, the pointer mddev->private will be double free, so it > needs to be judged null or not. > > Signed-off-by: zhangyue <zhangyue1@xxxxxxxxxx> Applied to md-fixes. Thanks! Song
