On Tue, May 23, 2023 at 1:50 PM Guoqing Jiang <guoqing.jiang@xxxxxxxxx> wrote: > > > > On 5/23/23 12:29, Zhu Yanjun wrote: > > On Tue, May 23, 2023 at 12:10 PM Guoqing Jiang <guoqing.jiang@xxxxxxxxx> wrote: > >> > >> > >> On 5/23/23 12:02, Zhu Yanjun wrote: > >>> On Tue, May 23, 2023 at 11:47 AM Zhu Yanjun <zyjzyj2000@xxxxxxxxx> wrote: > >>>> On Tue, May 23, 2023 at 10:26 AM Guoqing Jiang <guoqing.jiang@xxxxxxxxx> wrote: > >>>>> > >>>>> On 5/23/23 10:13, syzbot wrote: > >>>>>> Hello, > >>>>>> > >>>>>> syzbot tried to test the proposed patch but the build/boot failed: > >>>>>> > >>>>>> failed to apply patch: > >>>>>> checking file drivers/infiniband/sw/rxe/rxe_qp.c > >>>>>> patch: **** unexpected end of file in patch > >>>> This is not the root cause. The fix is not good. > >>> This problem is about "INFO: trying to register non-static key. The > >>> code is fine but needs lockdep annotation, or maybe" > > This warning is from "lock is not initialized". This is a > > use-before-initialized problem. > > Right, and it also applies to qp->sq.queue which is set to NULL while do > cleanup > still de-reference it. > > > The correct fix is to initialize the lock that is complained before it is used. > > The thing is it can't be initialized due to error, so I guess you want > to always init them > even for error cases. The complaining is about "spinlock is not initialized". Zhu Yanjun > > Guoqing