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Date:   Wed, 31 Aug 2022 09:54:14 +0300
From:   Leon Romanovsky <leon@kernel.org>
To:     yanjun.zhu@linux.dev
Cc:     jgg@ziepe.ca, linux-rdma@vger.kernel.org, zyjzyj2000@gmail.com
Subject: Re: [PATCH 0/3] Fixes for syzbot problem
Message-ID: <Yw8FlnMX/7dC2emP@unreal>
References: <20220822011615.805603-1-yanjun.zhu@linux.dev>
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On Sun, Aug 21, 2022 at 09:16:12PM -0400, yanjun.zhu@linux.dev wrote:
> From: Zhu Yanjun <yanjun.zhu@linux.dev>
> 
> In the link:
> 
> https://syzkaller.appspot.com/bug?id=3efca8275142fbfdde6cf77e1b18b1d5c6794d76
> 
> a rxe problem occurred. I tried to reproduce this problem in local hosts.
> Finally I could reproduce this problem in local hosts.
> The commit ("RDMA/rxe: Fix "kernel NULL pointer dereference" error") tries to
> fix this problem.
> 
> After this syzbot problem disappeared, another problem appeared
> when qp->sk failed to initialized.
> The commit ("RDMA/rxe: Fix the error caused by qp->sk") tries to solve
> this problem.
> 
> When I delved into the source code to solve the above problems, I found
> that the member variable obj in struct rxe_task is not needed. So the
> commit ("RDMA/rxe: Remove the unused variable obj") removes this
> variable obj.
> 
> After the 3 commits, in locat hosts, the whole system can work well.
> 
> Zhu Yanjun (3):
>   RDMA/rxe: Fix "kernel NULL pointer dereference" error
>   RDMA/rxe: Fix the error caused by qp->sk
>   RDMA/rxe: Remove the unused variable obj

Thanks, applied to -next with applied suggestion from Bob.