tree: https://android.googlesource.com/kernel/goldfish android-5.4 head: de63639926dcacc76a4030ad43592d80a8503ea9 commit: de63639926dcacc76a4030ad43592d80a8503ea9 [1/1] ANDROID: Incremental fs: Fix four error-path bugs config: i386-randconfig-s002-20200612 (attached as .config) compiler: gcc-9 (Debian 9.3.0-13) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.1-250-g42323db3-dirty git checkout de63639926dcacc76a4030ad43592d80a8503ea9 # save the attached .config to linux build tree make W=1 C=1 ARCH=i386 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) fs/incfs/vfs.c:1257:48: sparse: sparse: non size-preserving integer to pointer cast fs/incfs/vfs.c:2181:23: sparse: sparse: cast truncates bits from constant value (5346434e49 becomes 46434e49) vim +318 fs/incfs/data_mgmt.h 295 296 /* 297 * Collects pending reads and saves them into the array (reads/reads_size). 298 * Only reads with serial_number > sn_lowerbound are reported. 299 * Returns how many reads were saved into the array. 300 */ 301 int incfs_collect_pending_reads(struct mount_info *mi, int sn_lowerbound, 302 struct incfs_pending_read_info *reads, 303 int reads_size); 304 305 int incfs_collect_logged_reads(struct mount_info *mi, 306 struct read_log_state *start_state, 307 struct incfs_pending_read_info *reads, 308 int reads_size); 309 struct read_log_state incfs_get_log_state(struct mount_info *mi); 310 int incfs_get_uncollected_logs_count(struct mount_info *mi, 311 const struct read_log_state *state); 312 313 static inline struct inode_info *get_incfs_node(struct inode *inode) 314 { 315 if (!inode) 316 return NULL; 317 319 /* This inode doesn't belong to us. */ 320 pr_warn_once("incfs: %s on an alien inode.", __func__); 321 return NULL; 322 } 323 324 return container_of(inode, struct inode_info, n_vfs_inode); 325 } 326 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org