clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name MinidumpTypes.cpp -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=cplusplus -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model pic -pic-level 2 -mframe-pointer=none -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -ffunction-sections -fdata-sections -fcoverage-compilation-dir=/build/source/build-llvm/tools/clang/stage2-bins -resource-dir /usr/lib/llvm-17/lib/clang/17 -isystem /usr/include/libxml2 -D HAVE_ROUND -D _DEBUG -D _GLIBCXX_ASSERTIONS -D _GNU_SOURCE -D _LIBCPP_ENABLE_ASSERTIONS -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -I tools/lldb/source/Plugins/Process/minidump -I /build/source/lldb/source/Plugins/Process/minidump -I /build/source/lldb/include -I tools/lldb/include -I include -I /build/source/llvm/include -I /usr/include/python3.9 -I /build/source/clang/include -I tools/lldb/../clang/include -I /build/source/lldb/source -I tools/lldb/source -D _FORTIFY_SOURCE=2 -D NDEBUG -U NDEBUG -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/x86_64-linux-gnu/c++/10 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../include/c++/10/backward -internal-isystem /usr/lib/llvm-17/lib/clang/17/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/10/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -fmacro-prefix-map=/build/source/build-llvm/tools/clang/stage2-bins=build-llvm/tools/clang/stage2-bins -fmacro-prefix-map=/build/source/= -fcoverage-prefix-map=/build/source/build-llvm/tools/clang/stage2-bins=build-llvm/tools/clang/stage2-bins -fcoverage-prefix-map=/build/source/= -source-date-epoch 1683717183 -O2 -Wno-unused-command-line-argument -Wno-unused-parameter -Wwrite-strings -Wno-missing-field-initializers -Wno-long-long -Wno-maybe-uninitialized -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wno-comment -Wno-misleading-indentation -Wno-deprecated-declarations -Wno-unknown-pragmas -Wno-strict-aliasing -Wno-stringop-truncation -std=c++17 -fdeprecated-macro -fdebug-compilation-dir=/build/source/build-llvm/tools/clang/stage2-bins -fdebug-prefix-map=/build/source/build-llvm/tools/clang/stage2-bins=build-llvm/tools/clang/stage2-bins -fdebug-prefix-map=/build/source/= -ferror-limit 19 -fvisibility-inlines-hidden -stack-protector 2 -fgnuc-version=4.2.1 -fcolor-diagnostics -vectorize-loops -vectorize-slp -analyzer-output=html -analyzer-config stable-report-filename=true -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/scan-build-2023-05-10-133810-16478-1 -x c++ /build/source/lldb/source/Plugins/Process/minidump/MinidumpTypes.cpp
1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | #include "MinidumpTypes.h" |
10 | #include <optional> |
11 | |
12 | |
13 | |
14 | |
15 | using namespace lldb_private; |
16 | using namespace minidump; |
17 | |
18 | |
19 | const MinidumpMiscInfo *MinidumpMiscInfo::Parse(llvm::ArrayRef<uint8_t> &data) { |
20 | const MinidumpMiscInfo *misc_info; |
21 | Status error = consumeObject(data, misc_info); |
22 | if (error.Fail()) |
23 | return nullptr; |
24 | |
25 | return misc_info; |
26 | } |
27 | |
28 | std::optional<lldb::pid_t> MinidumpMiscInfo::GetPid() const { |
29 | uint32_t pid_flag = static_cast<uint32_t>(MinidumpMiscInfoFlags::ProcessID); |
30 | if (flags1 & pid_flag) |
31 | return std::optional<lldb::pid_t>(process_id); |
32 | |
33 | return std::nullopt; |
34 | } |
35 | |
36 | |
37 | |
38 | std::optional<LinuxProcStatus> |
39 | LinuxProcStatus::Parse(llvm::ArrayRef<uint8_t> &data) { |
40 | LinuxProcStatus result; |
41 | result.proc_status = |
42 | llvm::StringRef(reinterpret_cast<const char *>(data.data()), data.size()); |
43 | data = data.drop_front(data.size()); |
44 | |
45 | llvm::SmallVector<llvm::StringRef, 0> lines; |
46 | result.proc_status.split(lines, '\n', 42); |
47 | |
48 | for (auto line : lines) { |
49 | if (line.consume_front("Pid:")) { |
50 | line = line.trim(); |
51 | if (!line.getAsInteger(10, result.pid)) |
52 | return result; |
53 | } |
54 | } |
55 | |
56 | return std::nullopt; |
57 | } |
58 | |
59 | lldb::pid_t LinuxProcStatus::GetPid() const { return pid; } |
60 | |
61 | std::pair<llvm::ArrayRef<MinidumpMemoryDescriptor64>, uint64_t> |
62 | MinidumpMemoryDescriptor64::ParseMemory64List(llvm::ArrayRef<uint8_t> &data) { |
63 | const llvm::support::ulittle64_t *mem_ranges_count; |
64 | Status error = consumeObject(data, mem_ranges_count); |
65 | if (error.Fail() || |
| 1 | Assuming the condition is false | |
|
| |
66 | *mem_ranges_count * sizeof(MinidumpMemoryDescriptor64) > data.size()) |
| 2 | | Assuming the condition is false | |
|
67 | return {}; |
68 | |
69 | const llvm::support::ulittle64_t *base_rva; |
70 | error = consumeObject(data, base_rva); |
71 | if (error.Fail()) |
| 4 | | Assuming the condition is false | |
|
| |
72 | return {}; |
73 | |
74 | return std::make_pair( |
| 6 | | 2nd function call argument is an uninitialized value |
|
75 | llvm::ArrayRef( |
76 | reinterpret_cast<const MinidumpMemoryDescriptor64 *>(data.data()), |
77 | *mem_ranges_count), |
78 | *base_rva); |
79 | } |