Messages in this thread | | | Date | Tue, 23 May 2023 12:10:26 +0800 | Subject | Re: [syzbot] [rdma?] INFO: trying to register non-static key in skb_dequeue (2) | From | Guoqing Jiang <> |
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On 5/23/23 12:02, Zhu Yanjun wrote: > On Tue, May 23, 2023 at 11:47 AM Zhu Yanjun <zyjzyj2000@gmail.com> wrote: >> On Tue, May 23, 2023 at 10:26 AM Guoqing Jiang <guoqing.jiang@linux.dev> 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"
Which is caused by "skb_queue_head_init(&qp->resp_pkts)" is not called given rxe_qp_init_resp returns error, but the cleanup still trigger the chain.
rxe_qp_do_cleanup -> rxe_completer -> drain_resp_pkts -> skb_dequeue(&qp->resp_pkts)
But I might misunderstood it ...
Thanks, Guoqing
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