Task #251 - abseil-cpp-20240116.2-2.fc41/scan-results.err
back to task #251download
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/base/internal/low_level_alloc.cc:164:42: warning[core.NullDereference]: Array access (via field 'next') results in an undefined pointer dereference
# 162| prev[level] = p;
# 163| }
# 164|-> return (head->levels == 0) ? nullptr : prev[0]->next[0];
# 165| }
# 166|
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/base/internal/low_level_alloc.cc:189:37: warning[core.NullDereference]: Array access (via field 'next') results in an undefined pointer dereference
# 187| AllocList *found = LLA_SkiplistSearch(head, e, prev);
# 188| ABSL_RAW_CHECK(e == found, "element not in freelist");
# 189|-> for (int i = 0; i != e->levels && prev[i]->next[i] == e; i++) {
# 190| prev[i]->next[i] = e->next[i];
# 191| }
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/container/internal/hash_policy_testing_test.cc:33:16: warning[cplusplus.Move]: Method called on moved-from object 'h2'
# 31| StatefulTestingHash h2m(std::move(h2));
# 32| EXPECT_EQ(2, h2m.id());
# 33|-> EXPECT_EQ(0, h2.id());
# 34| StatefulTestingHash h3;
# 35| EXPECT_EQ(3, h3.id());
Error: COMPILER_WARNING (CWE-457):
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/container/internal/raw_hash_set.h:1973:56: warning[-Wmaybe-uninitialized]: ‘D.969464.D.419173.slot_’ may be used uninitialized
# 1973 | AssertSameContainer(a.ctrl_, b.ctrl_, a.slot_, b.slot_,
# | ~~^~~~~
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/container/internal/raw_hash_set.h: scope_hint: In member function ‘absl::lts_20240116::container_internal::(anonymous namespace)::Table_EraseBeginEndResetsReservedGrowth_Test::TestBody()’
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/container/internal/raw_hash_set.h:2551:34: note: ‘<anonymous>’ declared here
# 2551 | if (first == begin() && last == end()) {
# | ~~~~~^~~~~~~~
cc1plus: note: unrecognized command-line option ‘-Wno-unused-private-field’ may have been intended to silence earlier diagnostics
# 1971| AssertIsValidForComparison(a.ctrl_, a.generation(), a.generation_ptr());
# 1972| AssertIsValidForComparison(b.ctrl_, b.generation(), b.generation_ptr());
# 1973|-> AssertSameContainer(a.ctrl_, b.ctrl_, a.slot_, b.slot_,
# 1974| a.generation_ptr(), b.generation_ptr());
# 1975| return a.ctrl_ == b.ctrl_;
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/debugging/stacktrace_test.cc:37:3: warning[core.StackAddressEscape]: Address of stack memory associated with local variable 'buffer' is still referred to by the static variable 'sink' upon returning to the caller. This will be a dangling reference
# 35| char buffer[1 << 20];
# 36| Unwind(buffer);
# 37|-> ABSL_BLOCK_TAIL_CALL_OPTIMIZATION();
# 38| }
# 39|
Error: COMPILER_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/flags/flag_test.cc:45:1: warning[-Wodr]: ‘FLAGS_mistyped_int_flag’ violates the C++ One Definition Rule
# 45 | ABSL_DECLARE_FLAG(int64_t, mistyped_int_flag);
# | ^
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/flags/flag_test_defs.cc:21:1: note: type name ‘absl::lts_20240116::flags_internal::Flag<int>’ should match type name ‘absl::lts_20240116::flags_internal::Flag<long>’
# 21 | ABSL_FLAG(int, mistyped_int_flag, 0, "");
# | ^
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/flags/flag_test_defs.cc:21:1: note: ‘FLAGS_mistyped_int_flag’ was previously declared here
# 43| #include "absl/time/time.h"
# 44|
# 45|-> ABSL_DECLARE_FLAG(int64_t, mistyped_int_flag);
# 46| ABSL_DECLARE_FLAG(std::vector<std::string>, mistyped_string_flag);
# 47|
Error: COMPILER_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/flags/flag_test.cc:46:1: warning[-Wodr]: ‘FLAGS_mistyped_string_flag’ violates the C++ One Definition Rule
# 46 | ABSL_DECLARE_FLAG(std::vector<std::string>, mistyped_string_flag);
# | ^
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/flags/flag_test_defs.cc:22:1: note: type name ‘absl::lts_20240116::flags_internal::Flag<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >’ should match type name ‘absl::lts_20240116::flags_internal::Flag<std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >’
# 22 | ABSL_FLAG(std::string, mistyped_string_flag, "", "");
# | ^
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/flags/flag_test_defs.cc:22:1: note: ‘FLAGS_mistyped_string_flag’ was previously declared here
# 44|
# 45| ABSL_DECLARE_FLAG(int64_t, mistyped_int_flag);
# 46|-> ABSL_DECLARE_FLAG(std::vector<std::string>, mistyped_string_flag);
# 47|
# 48| namespace {
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/functional/overload_test.cc:60:8: warning[deadcode.DeadStores]: Value stored to 'overloaded' during its initialization is never read
# 58|
# 59| TEST(OverloadTest, SupportsConstantEvaluation) {
# 60|-> auto overloaded = absl::Overload( //
# 61| [](int a) { return a + 1; }, //
# 62| [](int a, int b) { return a * b; }, //
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/functional/overload_test.cc:82:8: warning[deadcode.DeadStores]: Value stored to 'overloaded' during its initialization is never read
# 80|
# 81| TEST(OverloadTest, AmbiguousWithDefaultsNotInvocable) {
# 82|-> auto overloaded = absl::Overload( //
# 83| [](int a, int b = 5) { return a * b; }, //
# 84| [](int c) { return c; } //
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/functional/overload_test.cc:91:8: warning[deadcode.DeadStores]: Value stored to 'overloaded' during its initialization is never read
# 89|
# 90| TEST(OverloadTest, AmbiguousDuplicatesNotInvocable) {
# 91|-> auto overloaded = absl::Overload( //
# 92| [](int a) { return a; }, //
# 93| [](int c) { return c; } //
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/functional/overload_test.cc:99:8: warning[deadcode.DeadStores]: Value stored to 'overloaded' during its initialization is never read
# 97|
# 98| TEST(OverloadTest, AmbiguousConversionNotInvocable) {
# 99|-> auto overloaded = absl::Overload( //
# 100| [](uint16_t a) { return a; }, //
# 101| [](uint64_t c) { return c; } //
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/functional/overload_test.cc:107:8: warning[deadcode.DeadStores]: Value stored to 'overloaded' during its initialization is never read
# 105|
# 106| TEST(OverloadTest, DispatchConsidersSfinae) {
# 107|-> auto overloaded = absl::Overload( //
# 108| [](auto a) -> decltype(a + 1) { return a + 1; } //
# 109| );
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/charconv.cc:28: included_from: Included from here.
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/numeric/int128.h:924:46: warning[core.BitwiseShift]: Right operand is negative in right shift
# 922| constexpr uint128 operator>>(uint128 lhs, int amount) {
# 923| #ifdef ABSL_HAVE_INTRINSIC_INT128
# 924|-> return static_cast<unsigned __int128>(lhs) >> amount;
# 925| #else
# 926| // uint64_t shifts of >= 64 are undefined, so we will need some
Error: COMPILER_WARNING (CWE-457):
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/cord.cc:1495:14: warning[-Wmaybe-uninitialized]: ‘MEM[(struct Storage *)&indents].data_.inlined.inlined_data’ may be used uninitialized
# 1495 | indent = indents.back();
# | ~~~~~~~^~~~~~~~~~~~~~~~
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/cord.cc: scope_hint: In function ‘absl::lts_20240116::ReportError(absl::lts_20240116::cord_internal::CordRep*, absl::lts_20240116::cord_internal::CordRep*)’
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/cord.cc:1455:48: note: ‘indents’ declared here
# 1455 | absl::InlinedVector<int, kInlinedVectorSize> indents;
# | ^~~~~~~
# 1493| rep = stack.back();
# 1494| stack.pop_back();
# 1495|-> indent = indents.back();
# 1496| indents.pop_back();
# 1497| }
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_data_edge_test.cc:15: included_from: Included from here.
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_data_edge.h:40:10: warning[core.NullDereference]: Access to field 'tag' results in a dereference of a null pointer (loaded from variable 'edge')
# 38| if (edge->tag == EXTERNAL || edge->tag >= FLAT) return true;
# 39| if (edge->tag == SUBSTRING) edge = edge->substring()->child;
# 40|-> return edge->tag == EXTERNAL || edge->tag >= FLAT;
# 41| }
# 42|
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_rep_btree.cc:321:9: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 319| if (depth != 0) {
# 320| do {
# 321|-> CordRepBtree* node = stack[--depth];
# 322| const bool owned = depth < share_depth;
# 323| switch (result.action) {
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_rep_btree.cc:1205:5: warning[deadcode.DeadStores]: Value stored to 'rep' is never read
# 1203| return result;
# 1204| }
# 1205|-> rep = tree;
# 1206| tree = stack[depth];
# 1207| }
Error: COMPILER_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_rep_btree.h:294:57: warning[-Warray-bounds=]: array subscript ‘const struct CordRepBtree[0]’ is partly outside array bounds of ‘unsigned char[32]’
# 294 | int height() const { return static_cast<int>(storage[0]); }
# | ~~~~~~~~~^
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_rep_flat.h:122:41: note: object of size 32 allocated by ‘operator new(unsigned long)’
# 122 | void* const raw_rep = ::operator new(size);
# | ~~~~~~~~~~~~~~^~~~~~
# 292| // kMaxHeight. `height` is implemented as an `int` as in some places we
# 293| // use negative (-1) values for 'data edges'.
# 294|-> int height() const { return static_cast<int>(storage[0]); }
# 295|
# 296| // Properties: begin, back, end, front/back boundary indexes.
Error: COMPILER_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_rep_btree.h:294:57: warning[-Warray-bounds=]: array subscript ‘const struct CordRepBtree[0]’ is partly outside array bounds of ‘unsigned char[56]’
# 294 | int height() const { return static_cast<int>(storage[0]); }
# | ~~~~~~~~~^
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cord_rep_flat.h:122:41: note: object of size 56 allocated by ‘operator new(unsigned long)’
# 122 | void* const raw_rep = ::operator new(size);
# | ~~~~~~~~~~~~~~^~~~~~
# 292| // kMaxHeight. `height` is implemented as an `int` as in some places we
# 293| // use negative (-1) values for 'data edges'.
# 294|-> int height() const { return static_cast<int>(storage[0]); }
# 295|
# 296| // Properties: begin, back, end, front/back boundary indexes.
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cordz_info.cc:180:23: warning[core.CallAndMessage]: Called C++ object pointer is null
# 178| statistics_.node_counts.substring++;
# 179| memory_usage.Add(sizeof(CordRepSubstring), rep.refcount);
# 180|-> rep = rep.Child(rep.rep->substring()->child);
# 181| }
# 182|
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cordz_info.cc:185:21: warning[core.CallAndMessage]: Called C++ object pointer is null
# 183| // Consume possible FLAT
# 184| if (rep.tag() >= FLAT) {
# 185|-> size_t size = rep.rep->flat()->AllocatedSize();
# 186| CountFlat(size);
# 187| memory_usage.Add(size, rep.refcount);
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cordz_info.cc:195:21: warning[core.NullDereference]: Access to field 'length' results in a dereference of a null pointer (loaded from field 'rep')
# 193| statistics_.node_count++;
# 194| statistics_.node_counts.external++;
# 195|-> size_t size = rep.rep->length + sizeof(CordRepExternalImpl<intptr_t>);
# 196| memory_usage.Add(size, rep.refcount);
# 197| return RepRef{nullptr, 0};
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/cordz_info.cc:208:32: warning[core.CallAndMessage]: Called C++ object pointer is null
# 206| statistics_.node_counts.btree++;
# 207| memory_usage_.Add(sizeof(CordRepBtree), rep.refcount);
# 208|-> const CordRepBtree* tree = rep.rep->btree();
# 209| if (tree->height() > 0) {
# 210| for (CordRep* edge : tree->Edges()) {
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/escaping.cc:153:9: warning[deadcode.DeadStores]: Value stored to 'szdest' is never read
# 151| cur_dest[1] = kPad64;
# 152| cur_dest += 2;
# 153|-> szdest -= 2;
# 154| }
# 155| break;
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/escaping.cc:173:9: warning[deadcode.DeadStores]: Value stored to 'szdest' is never read
# 171| cur_dest[0] = kPad64;
# 172| cur_dest += 1;
# 173|-> szdest -= 1;
# 174| }
# 175| break;
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/escaping.cc:192:7: warning[deadcode.DeadStores]: Value stored to 'szdest' is never read
# 190| cur_dest[3] = base64[in];
# 191| cur_dest += 4;
# 192|-> szdest -= 4;
# 193| break;
# 194| }
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/str_format/float_conversion.cc:1170:19: warning[core.UndefinedBinaryOperatorResult]: The left operand of '>' is a garbage value
# 1168| // We look at the digit just past the end.
# 1169| // There must be 'extra_digits' extra valid digits after end.
# 1170|-> if (*out->end > '5') return true;
# 1171| if (*out->end < '5') return false;
# 1172| if (has_leftover_value || std::any_of(out->end + 1, out->end + extra_digits,
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/str_format/float_conversion.cc:1392:25: warning[core.uninitialized.Assign]: Assigned value is garbage or undefined
# 1390| // Have 1.23456, needs 0.00123456
# 1391| // Move the first digit
# 1392|-> buffer.begin[1] = *buffer.begin;
# 1393| // Add some zeros
# 1394| for (; exp < -1; ++exp) *buffer.begin-- = '0';
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/strings/internal/str_format/output.cc:53:11: warning[unix.Errno]: An undefined value may be read from 'errno'
# 51| v.remove_prefix(result);
# 52| } else {
# 53|-> if (errno == EINTR) {
# 54| continue;
# 55| } else if (errno) {
Error: CLANG_WARNING:
abseil-cpp-20240116.2-build/abseil-cpp-20240116.2/absl/time/internal/cctz/src/time_zone_format.cc:193:21: warning[deadcode.DeadStores]: Although the value stored to 'offset' is used in the enclosing expression, the value is never actually read from 'offset'
# 191| const int seconds = offset % 60;
# 192| const int minutes = (offset /= 60) % 60;
# 193|-> const int hours = offset /= 60;
# 194| const char sep = mode[0];
# 195| const bool ext = (sep != '\0' && mode[1] == '*');