tree: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git vhost head: 2b109044b081148b58974f5696ffd4383c3e9abb commit: b2c5221fd074fbb0e57d6707bed5b7386bf430ed [4/47] virtio-blk: avoid preallocating big SGL for data config: riscv-nommu_virt_defconfig (attached as .config) compiler: riscv64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git/commit/?id=... git remote add mst-vhost https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git git fetch --no-tags mst-vhost vhost git checkout b2c5221fd074fbb0e57d6707bed5b7386bf430ed # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/block/virtio_blk.c: In function 'virtblk_unmap_data': 175 | sg_free_table_chained(&vbr->sg_table, | ^~~~~~~~~~~~~~~~~~~~~ drivers/block/virtio_blk.c: In function 'virtblk_map_data': 188 | err = sg_alloc_table_chained(&vbr->sg_table, | ^~~~~~~~~~~~~~~~~~~~~~ | sg_alloc_table cc1: some warnings being treated as errors vim +/sg_free_table_chained +175 drivers/block/virtio_blk.c 171 172 static void virtblk_unmap_data(struct request *req, struct virtblk_req *vbr) 173 { 174 if (blk_rq_nr_phys_segments(req)) 176 VIRTIO_BLK_INLINE_SG_CNT); 177 } 178 179 static int virtblk_map_data(struct blk_mq_hw_ctx *hctx, struct request *req, 180 struct virtblk_req *vbr) 181 { 182 int err; 183 184 if (!blk_rq_nr_phys_segments(req)) 185 return 0; 186 187 vbr->sg_table.sgl = vbr->sg; 189 blk_rq_nr_phys_segments(req), 190 vbr->sg_table.sgl, 191 VIRTIO_BLK_INLINE_SG_CNT); 192 if (unlikely(err)) 193 return -ENOMEM; 194 195 return blk_rq_map_sg(hctx->queue, req, vbr->sg_table.sgl); 196 } 197 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org