zlib-ng-2.2.2-1.fc42

List of Findings

Error: COMPILER_WARNING: [#def1]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx2.c: scope_hint: In function ‘adler32_fold_copy_impl’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx2.c:46:19: warning[-Wpsabi]: AVX vector return without AVX enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx2.c:15: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx2_p.h: scope_hint: In function ‘partial_hsum256’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx2_p.h:20:24: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
#   44|       __m256i vs1, vs2;
#   45|   
#   46|->     const __m256i dot2v = _mm256_setr_epi8(32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15,
#   47|                                              14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1);
#   48|       const __m256i dot3v = _mm256_set1_epi16(1);

Error: COMPILER_WARNING: [#def2]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512.c: scope_hint: In function ‘adler32_fold_copy_impl’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512.c:31:21: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512.c:16: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_p.h: scope_hint: In function ‘partial_hsum’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_p.h:35:24: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6
#   29|           if (COPY) {
#   30|               __mmask64 storemask = (0xFFFFFFFFFFFFFFFFUL >> (64 - len));
#   31|->             __m512i copy_vec = _mm512_maskz_loadu_epi8(storemask, src);
#   32|               _mm512_mask_storeu_epi8(dst, storemask, copy_vec);
#   33|           }

Error: COMPILER_WARNING: [#def3]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_p.h:46:13: warning[-Wpsabi]: AVX vector return without AVX enabled changes the ABI
#   44|   
#   45|       /* From here, it's a simple 256 bit wide reduction sum */
#   46|->     __m256i non_zero_avx = _mm512_castsi512_si256(non_zero);
#   47|   
#   48|       /* See Agner Fog's vectorclass for a decent reference. Essentially, phadd is

Error: COMPILER_WARNING: [#def4]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_vnni.c: scope_hint: In function ‘adler32_avx512_vnni’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_vnni.c:35:19: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_vnni.c:17: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_p.h: scope_hint: In function ‘partial_hsum’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/adler32_avx512_p.h:35:24: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6
#   33|           return adler32_avx2(adler, src, len);
#   34|   
#   35|->     const __m512i dot2v = _mm512_set_epi8(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
#   36|                                             20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
#   37|                                             38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55,

Error: COMPILER_WARNING: [#def5]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/chunkset_avx2.c: scope_hint: In function ‘GET_CHUNK_MAG’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/chunkset_avx2.c:79:1: warning[-Wpsabi]: AVX vector return without AVX enabled changes the ABI
#   77|   }
#   78|   
#   79|-> static inline chunk_t GET_CHUNK_MAG(uint8_t *buf, uint32_t *chunk_rem, uint32_t dist) {
#   80|       lut_rem_pair lut_rem = perm_idx_lut[dist - 3];
#   81|       __m256i ret_vec;

Error: COMPILER_WARNING: [#def6]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/compare256_avx2.c: scope_hint: In function ‘compare256_avx2_static’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/compare256_avx2.c:23:18: warning[-Wpsabi]: AVX vector return without AVX enabled changes the ABI
#   21|       do {
#   22|           __m256i ymm_src0, ymm_src1, ymm_cmp;
#   23|->         ymm_src0 = _mm256_loadu_si256((__m256i*)src0);
#   24|           ymm_src1 = _mm256_loadu_si256((__m256i*)src1);
#   25|           ymm_cmp = _mm256_cmpeq_epi8(ymm_src0, ymm_src1); /* non-identical bytes = 00, identical bytes = FF */

Error: COMPILER_WARNING: [#def7]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/crc32_pclmulqdq_tpl.h:263: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/crc32_vpclmulqdq.c:15: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/crc32_fold_vpclmulqdq_tpl.h: scope_hint: In function ‘fold_16_vpclmulqdq’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/crc32_fold_vpclmulqdq_tpl.h:13:13: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
#   11|       __m128i *xmm_crc2, __m128i *xmm_crc3, const uint8_t *src, size_t len,
#   12|       __m128i init_crc, int32_t first) {
#   13|->     __m512i zmm_initial = _mm512_zextsi128_si512(init_crc);
#   14|   #endif
#   15|       __m512i zmm_t0, zmm_t1, zmm_t2, zmm_t3;

Error: COMPILER_WARNING: [#def8]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/slide_hash_avx2.c: scope_hint: In function ‘slide_hash_avx2’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/slide_hash_avx2.c:36:19: warning[-Wpsabi]: AVX vector return without AVX enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/slide_hash_avx2.c: scope_hint: In function ‘slide_hash_chain’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/arch/x86/slide_hash_avx2.c:17:20: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
#   34|       Assert(s->w_size <= UINT16_MAX, "w_size should fit in uint16_t");
#   35|       uint16_t wsize = (uint16_t)s->w_size;
#   36|->     const __m256i ymm_wsize = _mm256_set1_epi16((short)wsize);
#   37|   
#   38|       slide_hash_chain(s->head, HASH_SIZE, ymm_wsize);

Error: CPPCHECK_WARNING (CWE-457): [#def9]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/chunkset_tpl.h:90: warning[uninitvar]: Uninitialized variable: chunk_load
#   88|           }
#   89|   
#   90|->         return chunk_load;
#   91|   }
#   92|   #endif

Error: CPPCHECK_WARNING (CWE-457): [#def10]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/deflate.c:1039: error[legacyUninitvar]: Uninitialized variable: bstate
# 1037|           block_state bstate;
# 1038|   
# 1039|->         bstate = DEFLATE_HOOK(strm, flush, &bstate) ? bstate :  /* hook for IBM Z DFLTCC */
# 1040|                    s->level == 0 ? deflate_stored(s, flush) :
# 1041|                    s->strategy == Z_HUFFMAN_ONLY ? deflate_huff(s, flush) :

Error: CPPCHECK_WARNING (CWE-457): [#def11]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/inflate.c:1325: warning[uninitvar]: Uninitialized variable: buf
# 1323|           }
# 1324|           state->have = 0;
# 1325|->         syncsearch(&(state->have), buf, len);
# 1326|       }
# 1327|   

Error: COMPILER_WARNING: [#def12]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-A0KIIa/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-A0KIIa/src.c:2:9: warning[-Wpsabi]: AVX vector return without AVX enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-A0KIIa/src.c:2:17: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6

Error: COMPILER_WARNING: [#def13]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-Z6rR5a/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-Z6rR5a/src.c:2:9: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-Z6rR5a/src.c:2:17: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6

Error: COMPILER_WARNING: [#def14]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-dSIGSN/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-dSIGSN/src.c:3:13: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-dSIGSN/src.c:3:21: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6

Error: COMPILER_WARNING: [#def15]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-oeO6BY/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-oeO6BY/src.c:2:9: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/CMakeFiles/CMakeScratch/TryCompile-oeO6BY/src.c:2:17: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6

Error: GCC_ANALYZER_WARNING (CWE-835): [#def16]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/gzread.c: scope_hint: In function ‘gz_fetch’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/gzread.c:215:22: warning[-Wanalyzer-infinite-loop]: infinite loop
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build-compat/gzread.c:6: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/zbuild.h:80:21: note: in definition of macro ‘PREFIX’
#  213|   
#  214|       do {
#  215|->         switch (state->how) {
#  216|           case LOOK:      /* -> LOOK, COPY (only if never GZIP), or GZIP */
#  217|               if (gz_look(state) == -1)

Error: COMPILER_WARNING: [#def17]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-4iQKnp/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-4iQKnp/src.c:2:9: warning[-Wpsabi]: AVX vector return without AVX enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-4iQKnp/src.c:2:17: note: the ABI for passing parameters with 32-byte alignment has changed in GCC 4.6

Error: COMPILER_WARNING: [#def18]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-Fnh2Rp/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-Fnh2Rp/src.c:3:13: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-Fnh2Rp/src.c:3:21: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6

Error: COMPILER_WARNING: [#def19]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-N9ViTd/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-N9ViTd/src.c:2:9: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-N9ViTd/src.c:2:17: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6

Error: COMPILER_WARNING: [#def20]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-hOFPJS/src.c: scope_hint: In function ‘f’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-hOFPJS/src.c:2:9: warning[-Wpsabi]: AVX512F vector return without AVX512F enabled changes the ABI
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/CMakeFiles/CMakeScratch/TryCompile-hOFPJS/src.c:2:17: note: the ABI for passing parameters with 64-byte alignment has changed in GCC 4.6

Error: GCC_ANALYZER_WARNING (CWE-835): [#def21]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/gzread.c: scope_hint: In function ‘gz_fetch’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/gzread.c:215:22: warning[-Wanalyzer-infinite-loop]: infinite loop
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/gzread.c:6: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/redhat-linux-build/gzread.c:500:17: note: in expansion of macro ‘PREFIX’
#  213|   
#  214|       do {
#  215|->         switch (state->how) {
#  216|           case LOOK:      /* -> LOOK, COPY (only if never GZIP), or GZIP */
#  217|               if (gz_look(state) == -1)

Error: GCC_ANALYZER_WARNING (CWE-775): [#def22]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minideflate.c: scope_hint: In function ‘main’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minideflate.c:303:48: warning[-Wanalyzer-file-leak]: leak of FILE ‘fopen(*<unknown>, "rb+")’
#  301|           }
#  302|           if (!copyout) {
#  303|->             char *out_file = (char *)calloc(1, strlen(argv[i]) + 6);
#  304|               if (out_file == NULL) {
#  305|                   fprintf(stderr, "Not enough memory\n");

Error: GCC_ANALYZER_WARNING (CWE-401): [#def23]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minideflate.c:303:48: warning[-Wanalyzer-malloc-leak]: leak of ‘fopen(*<unknown>, "rb+")’
#  301|           }
#  302|           if (!copyout) {
#  303|->             char *out_file = (char *)calloc(1, strlen(argv[i]) + 6);
#  304|               if (out_file == NULL) {
#  305|                   fprintf(stderr, "Not enough memory\n");

Error: GCC_ANALYZER_WARNING (CWE-775): [#def24]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minigzip.c: scope_hint: In function ‘file_compress’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minigzip.c:202:8: warning[-Wanalyzer-file-leak]: leak of FILE ‘fopen(file, "rb")’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minigzip.c:15: included_from: Included from here.
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minigzip.c:201:11: note: in expansion of macro ‘PREFIX’
#  200|       }
#  201|       out = PREFIX(gzopen)(outfile, mode);
#  202|->     if (out == NULL) {
#  203|           fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile);
#  204|           exit(1);

Error: GCC_ANALYZER_WARNING (CWE-401): [#def25]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minigzip.c:202:8: warning[-Wanalyzer-malloc-leak]: leak of ‘fopen(file, "rb")’
zlib-ng-2.2.2-build/zlib-ng-2.2.2/test/minigzip.c:201:11: note: in expansion of macro ‘PREFIX’
#  200|       }
#  201|       out = PREFIX(gzopen)(outfile, mode);
#  202|->     if (out == NULL) {
#  203|           fprintf(stderr, "%s: can't gzopen %s\n", prog, outfile);
#  204|           exit(1);

Error: CPPCHECK_WARNING (CWE-758): [#def26]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/tools/makecrct.c:72: error[shiftTooManyBits]: Shifting 32-bit value by 40 bits is undefined behaviour
#   70|               p = p & 1 ? (p >> 1) ^ POLY : p >> 1;
#   71|           crc_table[i] = p;
#   72|->         crc_big_table[i] = ZSWAP64(p);
#   73|       }
#   74|   

Error: CPPCHECK_WARNING (CWE-758): [#def27]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/tools/makecrct.c:72: error[shiftTooManyBits]: Shifting 32-bit value by 56 bits is undefined behaviour
#   70|               p = p & 1 ? (p >> 1) ^ POLY : p >> 1;
#   71|           crc_table[i] = p;
#   72|->         crc_big_table[i] = ZSWAP64(p);
#   73|       }
#   74|   

Error: CPPCHECK_WARNING (CWE-758): [#def28]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/tools/makecrct.c:95: error[shiftTooManyBits]: Shifting 32-bit value by 40 bits is undefined behaviour
#   93|           for (i = 1; i < 256; i++) {
#   94|               ltl[k][i] = q = multmodp(i << 24, p);
#   95|->             big[w - 1 - k][i] = ZSWAP64(q);
#   96|           }
#   97|       }

Error: CPPCHECK_WARNING (CWE-758): [#def29]
zlib-ng-2.2.2-build/zlib-ng-2.2.2/tools/makecrct.c:95: error[shiftTooManyBits]: Shifting 32-bit value by 56 bits is undefined behaviour
#   93|           for (i = 1; i < 256; i++) {
#   94|               ltl[k][i] = q = multmodp(i << 24, p);
#   95|->             big[w - 1 - k][i] = ZSWAP64(q);
#   96|           }
#   97|       }

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