CC: l...@lists.linux.dev CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Johan Almbladh <johan.almbl...@anyfinetworks.com> CC: Daniel Borkmann <dan...@iogearbox.net>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 5472f14a37421d1bca3dddf33cabd3bd6dbefbbc commit: c2a228d69cef802cf6bfd773c84f8419d2e2acf9 bpf/tests: Allow different number of runs per test case date: 3 months ago :::::: branch date: 8 hours ago :::::: commit date: 3 months ago config: x86_64-randconfig-c007-20211202 (https://download.01.org/0day-ci/archive/20211214/202112141457.biipnh08-...@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 4b553297ef3ee4dc2119d5429adf3072e90fac38) 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/torvalds/linux.git/commit/?id=c2a228d69cef802cf6bfd773c84f8419d2e2acf9 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout c2a228d69cef802cf6bfd773c84f8419d2e2acf9 # save the config file to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 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 >>) ^ security/keys/trusted-keys/trusted_tpm1.c:59:3: note: '?' condition is true pr_info("can't alloc %s\n", hash_alg); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:446:26: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^ include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap' __printk_index_emit(_fmt, NULL, NULL); \ ^ include/linux/printk.h:379:12: note: expanded from macro '__printk_index_emit' .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \ ^ security/keys/trusted-keys/trusted_tpm1.c:59:3: note: '?' condition is true pr_info("can't alloc %s\n", hash_alg); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:446:26: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^ include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap' __printk_index_emit(_fmt, NULL, NULL); \ ^ include/linux/printk.h:383:14: note: expanded from macro '__printk_index_emit' .level = __builtin_constant_p(_level) ? (_level) : NULL, \ ^ security/keys/trusted-keys/trusted_tpm1.c:59:3: note: Loop condition is false. Exiting loop pr_info("can't alloc %s\n", hash_alg); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:446:26: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^ include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap' __printk_index_emit(_fmt, NULL, NULL); \ ^ include/linux/printk.h:369:2: note: expanded from macro '__printk_index_emit' do { \ ^ security/keys/trusted-keys/trusted_tpm1.c:490:8: note: Returned allocated memory ret = TSS_sha1(td->xorwork, SHA1_DIGEST_SIZE * 2, td->xorhash); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ security/keys/trusted-keys/trusted_tpm1.c:491:6: note: Assuming 'ret' is >= 0 if (ret < 0) ^~~~~~~ security/keys/trusted-keys/trusted_tpm1.c:491:2: note: Taking false branch if (ret < 0) ^ security/keys/trusted-keys/trusted_tpm1.c:495:6: note: Assuming 'ret' is >= 0 if (ret < 0) ^~~~~~~ security/keys/trusted-keys/trusted_tpm1.c:495:2: note: Taking false branch if (ret < 0) ^ security/keys/trusted-keys/trusted_tpm1.c:498:6: note: Potential memory leak if (ret != TPM_NONCE_SIZE) { ^ Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 11 warnings generated. Suppressed 11 warnings (11 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. 11 warnings generated. Suppressed 11 warnings (11 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. 5 warnings generated. Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 5 warnings generated. Suppressed 5 warnings (5 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. 12 warnings generated. >> lib/test_bpf.c:63:8: warning: Excessive padding in 'struct bpf_test' (11 >> padding bytes, where 3 is optimal). Optimal fields order: descr, fill_helper, u, expected_errcode, stack_depth, nr_testruns, test, aux, data, frag_data, consider reordering the fields or adding explicit padding members [clang-analyzer-optin.performance.Padding] struct bpf_test { ~~~~~~~^~~~~~~~~~ lib/test_bpf.c:63:8: note: Excessive padding in 'struct bpf_test' (11 padding bytes, where 3 is optimal). Optimal fields order: descr, fill_helper, u, expected_errcode, stack_depth, nr_testruns, test, aux, data, frag_data, consider reordering the fields or adding explicit padding members struct bpf_test { ~~~~~~~^~~~~~~~~~ lib/test_bpf.c:8593:2: warning: Undefined or garbage value returned to caller [clang-analyzer-core.uninitialized.UndefReturn] return fp; ^ lib/test_bpf.c:9242:6: note: Assuming 'ret' is >= 0 if (ret < 0) ^~~~~~~ lib/test_bpf.c:9242:2: note: Taking false branch if (ret < 0) ^ lib/test_bpf.c:9245:8: note: Calling 'test_bpf' ret = test_bpf(); ^~~~~~~~~~ lib/test_bpf.c:8953:2: note: Loop condition is true. Entering loop body for (i = 0; i < ARRAY_SIZE(tests); i++) { ^ lib/test_bpf.c:8958:3: note: Taking false branch if (exclude_test(i)) ^ lib/test_bpf.c:8961:3: note: Left side of '&&' is true pr_info("#%d %s ", i, tests[i].descr); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:446:26: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^ include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap' __printk_index_emit(_fmt, NULL, NULL); \ ^ include/linux/printk.h:370:7: note: expanded from macro '__printk_index_emit' if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \ ^ lib/test_bpf.c:8961:3: note: Taking true branch pr_info("#%d %s ", i, tests[i].descr); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:446:26: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^ include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap' __printk_index_emit(_fmt, NULL, NULL); \ ^ include/linux/printk.h:370:3: note: expanded from macro '__printk_index_emit' if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \ ^ lib/test_bpf.c:8961:3: note: '?' condition is true pr_info("#%d %s ", i, tests[i].descr); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:446:26: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^ include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap' __printk_index_emit(_fmt, NULL, NULL); \ ^ include/linux/printk.h:379:12: note: expanded from macro '__printk_index_emit' .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \ ^ lib/test_bpf.c:8961:3: note: '?' condition is true pr_info("#%d %s ", i, tests[i].descr); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) ^ include/linux/printk.h:446:26: note: expanded from macro 'printk' #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) ^ include/linux/printk.h:417:3: note: expanded from macro 'printk_index_wrap' __printk_index_emit(_fmt, NULL, NULL); \ ^ include/linux/printk.h:383:14: note: expanded from macro '__printk_index_emit' .level = __builtin_constant_p(_level) ? (_level) : NULL, \ ^ lib/test_bpf.c:8961:3: note: Loop condition is false. Exiting loop pr_info("#%d %s ", i, tests[i].descr); ^ include/linux/printk.h:519:2: note: expanded from macro 'pr_info' printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) vim +63 lib/test_bpf.c 10f18e0ba1ea7e Daniel Borkmann 2014-05-23 62 64a8946b447e41 Alexei Starovoitov 2014-05-08 @63 struct bpf_test { 64a8946b447e41 Alexei Starovoitov 2014-05-08 64 const char *descr; 64a8946b447e41 Alexei Starovoitov 2014-05-08 65 union { 64a8946b447e41 Alexei Starovoitov 2014-05-08 66 struct sock_filter insns[MAX_INSNS]; 2695fb552cbef1 Alexei Starovoitov 2014-07-24 67 struct bpf_insn insns_int[MAX_INSNS]; a4afd37b26f4b9 Daniel Borkmann 2015-05-13 68 struct { a4afd37b26f4b9 Daniel Borkmann 2015-05-13 69 void *insns; a4afd37b26f4b9 Daniel Borkmann 2015-05-13 70 unsigned int len; a4afd37b26f4b9 Daniel Borkmann 2015-05-13 71 } ptr; ece80490e2c1ce Andrew Morton 2014-05-22 72 } u; 10f18e0ba1ea7e Daniel Borkmann 2014-05-23 73 __u8 aux; 64a8946b447e41 Alexei Starovoitov 2014-05-08 74 __u8 data[MAX_DATA]; 64a8946b447e41 Alexei Starovoitov 2014-05-08 75 struct { 64a8946b447e41 Alexei Starovoitov 2014-05-08 76 int data_size; 64a8946b447e41 Alexei Starovoitov 2014-05-08 77 __u32 result; 64a8946b447e41 Alexei Starovoitov 2014-05-08 78 } test[MAX_SUBTESTS]; a4afd37b26f4b9 Daniel Borkmann 2015-05-13 79 int (*fill_helper)(struct bpf_test *self); 09584b40674241 Yonghong Song 2018-02-02 80 int expected_errcode; /* used when FLAG_EXPECTED_FAIL is set in the aux */ bac142acb90e95 Nicolas Schichan 2015-08-04 81 __u8 frag_data[MAX_DATA]; 105c03614bff2d Alexei Starovoitov 2017-05-30 82 int stack_depth; /* for eBPF only, since tests don't call verifier */ c2a228d69cef80 Johan Almbladh 2021-09-14 83 int nr_testruns; /* Custom run count, defaults to MAX_TESTRUNS if 0 */ 64a8946b447e41 Alexei Starovoitov 2014-05-08 84 }; 64a8946b447e41 Alexei Starovoitov 2014-05-08 85 :::::: The code at line 63 was first introduced by commit :::::: 64a8946b447e418b4283c3573ef397980cca0cd8 net: filter: BPF testsuite :::::: TO: Alexei Starovoitov <a...@plumgrid.com> :::::: CC: David S. Miller <da...@davemloft.net> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
