Hi Gao, First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 86cfccb66937dd6cbf26ed619958b9e587e6a115 commit: 47e4937a4a7ca4184fd282791dfee76c6799966a erofs: move erofs out of staging date: 12 months ago config: s390-randconfig-s032-20200807 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-118-ge1578773-dirty git checkout 47e4937a4a7ca4184fd282791dfee76c6799966a # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> fs/erofs/zdata.c:198:22: sparse: sparse: non size-preserving integer to >> pointer cast fs/erofs/zdata.c:282:22: sparse: sparse: non size-preserving integer to pointer cast fs/erofs/zdata.c:1094:24: sparse: sparse: non size-preserving integer to pointer cast vim +198 fs/erofs/zdata.c 3883a79abd0227 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 162 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 163 static void preload_compressed_pages(struct z_erofs_collector *clt, 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 164 struct address_space *mc, 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 165 enum z_erofs_cache_alloctype type, 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 166 struct list_head *pagepool) 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 167 { 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 168 const struct z_erofs_pcluster *pcl = clt->pcl; 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 169 const unsigned int clusterpages = BIT(pcl->clusterbits); 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 170 struct page **pages = clt->compressedpages; 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 171 pgoff_t index = pcl->obj.index + (pages - pcl->compressed_pages); 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 172 bool standalone = true; 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 173 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 174 if (clt->mode < COLLECT_PRIMARY_FOLLOWED) 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 175 return; 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 176 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 177 for (; pages < pcl->compressed_pages + clusterpages; ++pages) { 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 178 struct page *page; 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 179 compressed_page_t t; 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 180 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 181 /* the compressed page was loaded before */ 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 182 if (READ_ONCE(*pages)) 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 183 continue; 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 184 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 185 page = find_get_page(mc, index); 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 186 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 187 if (page) { 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 188 t = tag_compressed_page_justfound(page); 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 189 } else if (type == DELAYEDALLOC) { 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 190 t = tagptr_init(compressed_page_t, PAGE_UNALLOCATED); 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 191 } else { /* DONTALLOC */ 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 192 if (standalone) 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 193 clt->compressedpages = pages; 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 194 standalone = false; 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 195 continue; 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 196 } 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 197 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 @198 if (!cmpxchg_relaxed(pages, NULL, tagptr_cast_ptr(t))) 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 199 continue; 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 200 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 201 if (page) 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 202 put_page(page); 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 203 } 92e6efd566c4a1 drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-12-08 204 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 205 if (standalone) /* downgrade to PRIMARY_FOLLOWED_NOINPLACE */ 97e86a858bc360 drivers/staging/erofs/zdata.c Gao Xiang 2019-07-31 206 clt->mode = COLLECT_PRIMARY_FOLLOWED_NOINPLACE; 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 207 } 105d4ad857dcbf drivers/staging/erofs/unzip_vle.c Gao Xiang 2018-07-26 208 :::::: The code at line 198 was first introduced by commit :::::: 97e86a858bc360c9cded74ce9a06595d40f7ad81 staging: erofs: tidy up decompression frontend :::::: TO: Gao Xiang <[email protected]> :::::: CC: Greg Kroah-Hartman <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
