On Tue, May 10, 2022 at 5:35 AM Donald Buczek <buczek@xxxxxxxxxxxxx> wrote: > > On 5/10/22 2:09 PM, Guoqing Jiang wrote: > > > > > > On 5/10/22 8:01 PM, Donald Buczek wrote: > >> > >>> I guess v2 is the best at the moment. I pushed a slightly modified v2 to > >>> md-next. > >> > >> I think, this can be used to get a double-free from md_unregister_thread. > >> > >> Please review > >> > >> https://lore.kernel.org/linux-raid/8312a154-14fb-6f07-0cf1-8c970187cc49@xxxxxxxxxxxxx/ > > > > That is supposed to be addressed by the second one, pls consider it too. > > Right, but this has not been pulled into md-next. I just wanted to note, that the current state of md-next has this problem. > > If the other patch is taken, too, and works as intended, that would be solved. > > > [PATCH 2/2] md: protect md_unregister_thread from reentrancy Good catch! Guoqing, current 2/2 doesn't apply cleanly. Could you please resend it on top of md-next? Thanks, Song