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Thu, 18 Jul 2024 16:24:11 -0700 (PDT) Received: from kernelexploit-virtual-machine.localdomain ([121.185.186.233]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-70cff49153csm84314b3a.16.2024.07.18.16.24.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 18 Jul 2024 16:24:11 -0700 (PDT) From: Jeongjun Park To: syzbot+a81f2759d022496b40ab@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org Subject: Re: [syzbot] [net?] KMSAN: uninit-value in hsr_get_node (3) Date: Fri, 19 Jul 2024 08:24:07 +0900 Message-Id: <20240718232407.69028-1-aha310510@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <0000000000004a86bf0616571fc7@google.com> References: <0000000000004a86bf0616571fc7@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master --- drivers/net/virtio_net.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index af474cc191d0..2088b566d10b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2895,7 +2895,7 @@ static int virtnet_open(struct net_device *dev) for (i = 0; i < vi->max_queue_pairs; i++) { if (i < vi->curr_queue_pairs) /* Make sure we have some buffers: if oom use wq. */ - if (!try_fill_recv(vi, &vi->rq[i], GFP_KERNEL)) + if (!try_fill_recv(vi, &vi->rq[i], GFP_KERNEL | __GFP_ZERO)) schedule_delayed_work(&vi->refill, 0); err = virtnet_enable_queue_pair(vi, i); --