Hi all,
after upgrading to v8.5.183 the LeakSanitizer of clang detects a memory
leak in embedded V8:
==145652==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 12300 byte(s) in 3 object(s) allocated from:
#0 0x562b902d2ff1 in calloc
(/home/immanuel/Documents/Work/PhD/mutable/mutable/build/debug/bin/shell+0x11b2ff1)
#1 0x562b91eb83fe in
v8::internal::BasicMemoryChunk::Initialize(v8::internal::Heap*, unsigned
long, unsigned long, unsigned long, unsigned long, v8::internal::Space*,
v8::internal::VirtualMemory)
../../../../../third-party/v8/v8/src/heap/basic-memory-chunk.cc:31:42
#2 0x562b90fe3740 in
v8::internal::MemoryChunk::Initialize(v8::internal::Heap*, unsigned long,
unsigned long, unsigned long, unsigned long, v8::internal::Executability,
v8::internal::Space*, v8::internal::VirtualMemory)
../../../../../third-party/v8/v8/src/heap/memory-chunk.cc:176:3
#3 0x562b90fddaa6 in
v8::internal::MemoryAllocator::AllocateChunk(unsigned long, unsigned long,
v8::internal::Executability, v8::internal::Space*)
../../../../../third-party/v8/v8/src/heap/memory-allocator.cc:491:7
#4 0x562b90fdd5a3 in v8::internal::Page*
v8::internal::MemoryAllocator::AllocatePage<(v8::internal::MemoryAllocator::AllocationMode)0,
v8::internal::PagedSpace>(unsigned long, v8::internal::PagedSpace*,
v8::internal::Executability)
../../../../../third-party/v8/v8/src/heap/memory-allocator.cc:617:13
#5 0x562b91002712 in v8::internal::PagedSpace::Expand()
../../../../../third-party/v8/v8/src/heap/paged-spaces.cc:336:38
#6 0x562b91005bcf in
v8::internal::PagedSpace::RawSlowRefillLinearAllocationArea(int,
v8::internal::AllocationOrigin)
../../../../../third-party/v8/v8/src/heap/paged-spaces.cc:974:18
#7 0x562b910058ba in
v8::internal::PagedSpace::SlowRefillLinearAllocationArea(int,
v8::internal::AllocationOrigin)
../../../../../third-party/v8/v8/src/heap/paged-spaces.cc:902:10
#8 0x562b90f2ffea in
v8::internal::PagedSpace::AllocateRawUnaligned(int,
v8::internal::AllocationOrigin)
../../../../../third-party/v8/v8/src/heap/paged-spaces-inl.h:98:10
#9 0x562b90f4e53d in
v8::internal::Heap::ReserveSpace(std::vector<v8::internal::Heap::Chunk,
std::allocator<v8::internal::Heap::Chunk> >*, std::vector<unsigned long,
std::allocator<unsigned long> >*)
../../../../../third-party/v8/v8/src/heap/heap.cc:1982:46
#10 0x562b9204daa6 in
v8::internal::DeserializerAllocator::ReserveSpace()
../../../../../third-party/v8/v8/src/snapshot/deserializer-allocator.cc:179:31
#11 0x562b913d5e31 in
v8::internal::ReadOnlyDeserializer::DeserializeInto(v8::internal::Isolate*)
../../../../../third-party/v8/v8/src/snapshot/read-only-deserializer.cc:20:21
#12 0x562b91007f9e in
v8::internal::ReadOnlyHeap::SetUp(v8::internal::Isolate*,
v8::internal::ReadOnlyDeserializer*)
../../../../../third-party/v8/v8/src/heap/read-only-heap.cc:119:8
#13 0x562b90ec89ee in
v8::internal::Isolate::Init(v8::internal::ReadOnlyDeserializer*,
v8::internal::StartupDeserializer*)
../../../../../third-party/v8/v8/src/execution/isolate.cc:3378:3
#14 0x562b90ec98ca in
v8::internal::Isolate::InitWithSnapshot(v8::internal::ReadOnlyDeserializer*,
v8::internal::StartupDeserializer*)
../../../../../third-party/v8/v8/src/execution/isolate.cc:3277:10
#15 0x562b913f4765 in
v8::internal::Snapshot::Initialize(v8::internal::Isolate*)
../../../../../third-party/v8/v8/src/snapshot/snapshot.cc:163:16
#16 0x562b90d8aaff in v8::Isolate::Initialize(v8::Isolate*,
v8::Isolate::CreateParams const&)
../../../../../third-party/v8/v8/src/api/api.cc:8242:8
#17 0x562b90d8b1ae in v8::Isolate::New(v8::Isolate::CreateParams
const&) ../../../../../third-party/v8/v8/src/api/api.cc:8276:3
#18 0x562b90513208 in db::V8Platform::V8Platform()
/home/immanuel/Documents/Work/PhD/mutable/mutable/build/debug/../../src/backend/V8Platform.cpp:198:16
#19 0x562b9051e429 in std::_MakeUniq<db::V8Platform>::__single_object
std::make_unique<db::V8Platform>()
/usr/bin/../lib64/gcc/x86_64-pc-linux-gnu/10.1.0/../../../../include/c++/10.1.0/bits/unique_ptr.h:961:34
#20 0x562b9051a26b in db::Backend::CreateWasmV8()
/home/immanuel/Documents/Work/PhD/mutable/mutable/build/debug/../../src/backend/V8Platform.cpp:384:42
#21 0x562b90436e24 in db::Backend::Create(db::Backend::kind_t)
/home/immanuel/Documents/Work/PhD/mutable/mutable/build/debug/../../src/tables/Backend.tbl:10:1
#22 0x562b9032fe6f in db::Backend::Create(char const*)
/home/immanuel/Documents/Work/PhD/mutable/mutable/build/debug/../../src/backend/Backend.hpp:27:71
#23 0x562b9030f065 in process_stream(std::istream&, char const*,
db::Diagnostic)
/home/immanuel/Documents/Work/PhD/mutable/mutable/build/debug/../../src/shell.cpp:148:32
#24 0x562b90322319 in main
/home/immanuel/Documents/Work/PhD/mutable/mutable/build/debug/../../src/shell.cpp:668:13
#25 0x7f90097ed001 in __libc_start_main (/usr/lib/libc.so.6+0x27001)
SUMMARY: AddressSanitizer: 12300 byte(s) leaked in 3 allocation(s).
What can I do to help solve this?
Regards,
Immanuel
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