Hi Xuan, url: https://github.com/0day-ci/linux/commits/Xuan-Zhuo/virtio-net-support-xdp-socket-zero-copy-xmit/20210105-171505 base: https://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs.git master config: i386-randconfig-m021-20210105 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> New smatch warnings: drivers/net/virtio_net.c:2669 virtnet_xsk_timeout() warn: test_bit() takes a bit number drivers/net/virtio_net.c:2899 virtnet_xsk_run() warn: test_bit() takes a bit number drivers/net/virtio_net.c:2982 virtnet_xsk_wakeup() warn: test_bit() takes a bit number Old smatch warnings: drivers/net/virtio_net.c:2908 virtnet_xsk_run() warn: test_bit() takes a bit number drivers/net/virtio_net.c:2918 virtnet_xsk_run() warn: test_bit() takes a bit number drivers/net/virtio_net.c:2951 virtnet_xsk_run() warn: test_bit() takes a bit number drivers/net/virtio_net.c:3073 virtnet_config_changed_work() error: uninitialized symbol 'v'. vim +2669 drivers/net/virtio_net.c 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2663 static enum hrtimer_restart virtnet_xsk_timeout(struct hrtimer *timer) 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2664 { 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2665 struct send_queue *sq; 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2666 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2667 sq = container_of(timer, struct send_queue, xsk.timer); 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2668 265d3cdead3bd6 Xuan Zhuo 2021-01-05 @2669 clear_bit(VIRTNET_STATE_XSK_TIMER, &sq->xsk.state); This is a double shift bug like BIT(BIT(foo)). 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2670 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2671 virtqueue_napi_schedule(&sq->napi, sq->vq); 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2672 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2673 return HRTIMER_NORESTART; 265d3cdead3bd6 Xuan Zhuo 2021-01-05 2674 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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