CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org BCC: l...@intel.com CC: Linux Memory Management List <linux...@kvack.org> TO: Liam Beguin <liambeg...@gmail.com> CC: Jonathan Cameron <jonathan.came...@huawei.com> CC: Peter Rosin <p...@axentia.se> CC: Andy Shevchenko <andy.shevche...@gmail.com>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6d72dda014a4753974eb08950089ddf71fec4f60 commit: 8e74a48d17d509bf605e64252f38550b1a9cc376 [8459/13576] iio: test: add basic tests for the iio-rescale driver :::::: branch date: 2 days ago :::::: commit date: 3 weeks ago config: riscv-randconfig-c006-20220320 (https://download.01.org/0day-ci/archive/20220321/202203210359.o2qnyktl-...@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 217f267efe3082438e698e2f08566b9df8c530fa) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=8e74a48d17d509bf605e64252f38550b1a9cc376 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 8e74a48d17d509bf605e64252f38550b1a9cc376 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv clang-analyzer If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> clang-analyzer warnings: (new ones prefixed by >>) fs/btrfs/volumes.c:6766:11: note: Assuming 'bio' is equal to field 'orig_bio' WARN_ON(bio != bioc->orig_bio); ^ include/asm-generic/bug.h:166:25: note: expanded from macro 'WARN_ON' int __ret_warn_on = !!(condition); \ ^~~~~~~~~ fs/btrfs/volumes.c:6770:7: note: Assuming the condition is false if (atomic_read(&bioc->error) > bioc->max_errors) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:6770:3: note: Taking false branch if (atomic_read(&bioc->error) > bioc->max_errors) ^ fs/btrfs/volumes.c:6774:3: note: Calling 'btrfs_end_bioc' btrfs_end_bioc(bioc, bio); ^~~~~~~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:6668:2: note: Calling 'btrfs_put_bioc' btrfs_put_bioc(bioc); ^~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:5947:7: note: 'bioc' is non-null if (!bioc) ^~~~ fs/btrfs/volumes.c:5947:2: note: Taking false branch if (!bioc) ^ fs/btrfs/volumes.c:5949:6: note: Assuming the condition is true if (refcount_dec_and_test(&bioc->refs)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:5949:2: note: Taking true branch if (refcount_dec_and_test(&bioc->refs)) ^ fs/btrfs/volumes.c:5950:3: note: Memory is released kfree(bioc); ^~~~~~~~~~~ fs/btrfs/volumes.c:6668:2: note: Returning; memory was released via 1st parameter btrfs_put_bioc(bioc); ^~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:6774:3: note: Returning; memory was released via 1st parameter btrfs_end_bioc(bioc, bio); ^~~~~~~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:6836:4: note: Returning; memory was released via 1st parameter bioc_error(bioc, first_bio, logical); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:6837:4: note: Execution continues on line 6830 continue; ^ fs/btrfs/volumes.c:6830:19: note: Assuming 'dev_nr' is < 'total_devs' for (dev_nr = 0; dev_nr < total_devs; dev_nr++) { ^~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:6830:2: note: Loop condition is true. Entering loop body for (dev_nr = 0; dev_nr < total_devs; dev_nr++) { ^ fs/btrfs/volumes.c:6831:9: note: Use of memory after it is freed dev = bioc->stripes[dev_nr].dev; ^~~~~~~~~~~~~~~~~~~~~~~~~ fs/btrfs/volumes.c:8256:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores] ret = 0; ^ ~ fs/btrfs/volumes.c:8256:4: note: Value stored to 'ret' is never read ret = 0; ^ ~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. drivers/iio/proximity/vcnl3020.c:76:8: warning: Excessive padding in 'struct vcnl3020_data' (93 padding bytes, where 29 is optimal). Optimal fields order: buf, rev, regmap, dev, lock, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct vcnl3020_data { ~~~~~~~^~~~~~~~~~~~~~~ drivers/iio/proximity/vcnl3020.c:76:8: note: Excessive padding in 'struct vcnl3020_data' (93 padding bytes, where 29 is optimal). Optimal fields order: buf, rev, regmap, dev, lock, consider reordering the fields or adding explicit padding members struct vcnl3020_data { ~~~~~~~^~~~~~~~~~~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. >> drivers/iio/test/iio-test-rescale.c:578:2: warning: Call to function >> 'strcpy' is insecure as it does not provide bounding of the memory buffer. >> Replace unbounded copy functions with analogous functions that support >> length arguments such as 'strlcpy'. CWE-119 >> [clang-analyzer-security.insecureAPI.strcpy] strcpy(desc, t->name); ^~~~~~ drivers/iio/test/iio-test-rescale.c:578:2: note: Call to function 'strcpy' is insecure as it does not provide bounding of the memory buffer. Replace unbounded copy functions with analogous functions that support length arguments such as 'strlcpy'. CWE-119 strcpy(desc, t->name); ^~~~~~ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. drivers/hwspinlock/qcom_hwspinlock.c:158:24: warning: Passed-by-value struct argument contains uninitialized data (e.g., field: 'id_size') [clang-analyzer-core.CallAndMessage] bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev, ^ drivers/hwspinlock/qcom_hwspinlock.c:132:2: note: 'field' initialized here struct reg_field field; ^~~~~~~~~~~~~~~~~~~~~~ drivers/hwspinlock/qcom_hwspinlock.c:140:21: note: Left side of '&&' is false if (IS_ERR(regmap) && PTR_ERR(regmap) == -ENODEV) ^ drivers/hwspinlock/qcom_hwspinlock.c:143:6: note: Calling 'IS_ERR' if (IS_ERR(regmap)) ^~~~~~~~~~~~~~ include/linux/err.h:36:2: note: Returning zero, which participates in a condition later return IS_ERR_VALUE((unsigned long)ptr); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/hwspinlock/qcom_hwspinlock.c:143:6: note: Returning from 'IS_ERR' if (IS_ERR(regmap)) ^~~~~~~~~~~~~~ drivers/hwspinlock/qcom_hwspinlock.c:143:2: note: Taking false branch if (IS_ERR(regmap)) ^ drivers/hwspinlock/qcom_hwspinlock.c:148:6: note: Assuming 'bank' is non-null if (!bank) ^~~~~ drivers/hwspinlock/qcom_hwspinlock.c:148:2: note: Taking false branch if (!bank) ^ drivers/hwspinlock/qcom_hwspinlock.c:153:2: note: Loop condition is true. Entering loop body for (i = 0; i < QCOM_MUTEX_NUM_LOCKS; i++) { ^ drivers/hwspinlock/qcom_hwspinlock.c:158:24: note: Passed-by-value struct argument contains uninitialized data (e.g., field: 'id_size') bank->lock[i].priv = devm_regmap_field_alloc(&pdev->dev, ^ Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 4 warnings generated. Suppressed 4 warnings (4 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 3 warnings generated. Suppressed 3 warnings (2 in non-user code, 1 with check filters). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. 2 warnings generated. Suppressed 2 warnings (2 in non-user code). Use -header-filter=.* to display errors from all non-system headers. Use -system-headers to display errors from system headers as well. vim +578 drivers/iio/test/iio-test-rescale.c 8e74a48d17d509 Liam Beguin 2022-02-12 575 8e74a48d17d509 Liam Beguin 2022-02-12 576 static void case_to_desc(const struct rescale_tc_data *t, char *desc) 8e74a48d17d509 Liam Beguin 2022-02-12 577 { 8e74a48d17d509 Liam Beguin 2022-02-12 @578 strcpy(desc, t->name); 8e74a48d17d509 Liam Beguin 2022-02-12 579 } 8e74a48d17d509 Liam Beguin 2022-02-12 580 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
