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 -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-users/b01caefd-8bbc-42fa-bce5-247e18028077n%40googlegroups.com.