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Mon, 16 Nov 2020 20:46:34 +0000 Date: Mon, 16 Nov 2020 16:46:33 -0400 From: Jason Gunthorpe To: Eric Biggers CC: "linux-rdma@vger.kernel.org" Subject: Re: [PATCH] RDMA/ucma: Put a lock around every call to the rdma_cm layer Message-ID: <20201116204633.GQ917484@nvidia.com> References: <20200218210432.GA31966@ziepe.ca> <20200219060701.GG1075@sol.localdomain> <20200219202221.GN23930@mellanox.com> <20200307204153.GJ15444@sol.localdomain> <20200309193012.GA13183@mellanox.com> <20200627225734.GL7065@sol.localdomain> Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20200627225734.GL7065@sol.localdomain> X-ClientProxiedBy: MN2PR19CA0044.namprd19.prod.outlook.com (2603:10b6:208:19b::21) To DM6PR12MB3834.namprd12.prod.outlook.com (2603:10b6:5:14a::12) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from mlx.ziepe.ca (156.34.48.30) by MN2PR19CA0044.namprd19.prod.outlook.com (2603:10b6:208:19b::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3564.28 via Frontend Transport; Mon, 16 Nov 2020 20:46:34 +0000 Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kelOT-006ldz-FW; Mon, 16 Nov 2020 16:46:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1605559587; bh=eisnhHm7usicaBKKlTD7B3cslLeK0ZO1XTmeAj9FZvA=; h=ARC-Seal:ARC-Message-Signature:ARC-Authentication-Results:Date: From:To:CC:Subject:Message-ID:References:Content-Type: Content-Disposition:In-Reply-To:X-ClientProxiedBy:MIME-Version: X-MS-Exchange-MessageSentRepresentingType; b=pef4lciXgMgR3QGzrWpgaMJb0lGM1AfsKvIWzayBblHkUNt9M+uIQNlb3+WhsQS6H yr5aAIs87aoBXkNsRU7I6Y2SMkmIuABUqN1WaDObzqpVGxvJVHed+brVYWdp4gFFOf geUvegThcZ4vPRUiH7oPDdih5wHE/XgYdl5bHZqgXzwUQc9fZ50QETQnJhQhLpWL/g 7csvMzLp6166C6gurKqEQg/8FV+VFDzvCGfNjovxatKKLtNRiT9lkQfa3lYVnDBqQu QU834t3PbDAMTY/1fLL0QtcT1i/D1zdJq2AKoBtM3TUJ59Beq27+ZJA1wZ3RIgXshX SwLmqsW1wW4ZQ== Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Sat, Jun 27, 2020 at 03:57:34PM -0700, Eric Biggers wrote: > Hi Jason, here's my latest list (updated today) of bugs that are probably in > drivers/infiniband/: I'm going to apply this patch and I think it will clean out a bunch of the non-reproducer syzkaller bugs related to sysfs: https://patchwork.kernel.org/project/linux-rdma/patch/0-v1-dcbfc68c4b4a+d6-virtual_dev_jgg@nvidia.com/ But I have no idea how to tell if it fixes it or not?? Any advice on how best to use syzbot here? Thanks, Jason