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[79.180.2.31]) by smtp.gmail.com with ESMTPSA id mh4sm5533387ejb.122.2021.02.08.01.57.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Feb 2021 01:57:23 -0800 (PST) Date: Mon, 8 Feb 2021 04:57:20 -0500 From: "Michael S. Tsirkin" To: kernel test robot Cc: Dongli Zhang , Eli Cohen , Jason Wang , LKML , lkp@lists.01.org, lkp@intel.com, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, netdev@vger.kernel.org, pbonzini@redhat.com, stefanha@redhat.com, joe.jin@oracle.com, aruna.ramakrishna@oracle.com, parav@nvidia.com Subject: Re: [vdpa_sim_net] 79991caf52: net/ipv4/ipmr.c:#RCU-list_traversed_in_non-reader_section Message-ID: <20210208045641-mutt-send-email-mst@kernel.org> References: <20210123080853.4214-1-dongli.zhang@oracle.com> <20210207030330.GB17282@xsang-OptiPlex-9020> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210207030330.GB17282@xsang-OptiPlex-9020> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Feb 07, 2021 at 11:03:30AM +0800, kernel test robot wrote: > > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: 79991caf5202c7989928be534727805f8f68bb8d ("vdpa_sim_net: Add support for user supported devices") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git Dongli-Zhang/vhost-scsi-alloc-vhost_scsi-with-kvzalloc-to-avoid-delay/20210129-191605 > > > in testcase: trinity > version: trinity-static-x86_64-x86_64-f93256fb_2019-08-28 > with following parameters: > > runtime: 300s > > test-description: Trinity is a linux system call fuzz tester. > test-url: http://codemonkey.org.uk/projects/trinity/ > > > on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G > > caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): > Parav want to take a look? -- MST