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dnsIssues and PRs related to the dns subsystem.Issues and PRs related to the dns subsystem.
Description
- Version: master
- Platform: mac 10.12.6/ubuntu 14.04 tested so far
- Subsystem: async wrap
Example asan output
==85389==ERROR: AddressSanitizer: heap-use-after-free on address 0x6110000b3e18 at pc 0x00000a51049f bp 0x7ffe6b4cd670 sp 0x7ffe6b4cd668 WRITE of size 8 at 0x6110000b3e18 thread T0 #0 0xa51049e in uv__finish_close /out/../deps/uv/src/unix/core.c:277:3 #1 0xa4fc776 in uv__run_closing_handles /out/../deps/uv/src/unix/core.c:294:5 #2 0xa4fb23e in uv_run /out/../deps/uv/src/unix/core.c:364:5 #3 0x939ff38 in node::Start(v8::Isolate*, node::IsolateData*, int, char const* const*, int, char const* const*) /out/../src/node.cc:4543:14 #4 0x939a7cc in node::Start(uv_loop_s*, int, char const* const*, int, char const* const*) /out/../src/node.cc:4607:17 #5 0x93781b2 in node::Start(int, char**) /out/../src/node.cc:4662:7 #6 0x958ebb8 in main /out/../src/node_main.cc:104:10 #7 0x7f9d69ea4f44 in __libc_start_main /build/eglibc-SvCtMH/eglibc-2.19/csu/libc-start.c:287 #8 0x1417e1c in _start (/out/Debug/node+0x1417e1c) 0x6110000b3e18 is located 88 bytes inside of 224-byte region [0x6110000b3dc0,0x6110000b3ea0) freed by thread T0 here: #0 0x139344b in operator delete(void*) (/out/Debug/node+0x139344b) #1 0x92c88b1 in node::cares_wrap::(anonymous namespace)::ChannelWrap::~ChannelWrap() /out/../src/cares_wrap.cc:523:29 #2 0x92c927a in void node::BaseObject::WeakCallback<node::cares_wrap::(anonymous namespace)::ChannelWrap>(v8::WeakCallbackInfo<node::cares_wrap::(anonymous namespace)::ChannelWrap> const&) /out/../src/base-object-inl.h:72:3 #3 0x63ca955 in v8::internal::GlobalHandles::PendingPhantomCallback::Invoke(v8::internal::Isolate*) /out/../deps/v8/src/global-handles.cc:835:3 #4 0x63ce033 in v8::internal::GlobalHandles::DispatchPendingPhantomCallbacks(bool) /out/../deps/v8/src/global-handles.cc:800:7 #5 0x63d022b in v8::internal::GlobalHandles::PostGarbageCollectionProcessing(v8::internal::GarbageCollector, v8::GCCallbackFlags) /out/../deps/v8/src/global-handles.cc:856:18 #6 0x64a8d1d in v8::internal::Heap::PerformGarbageCollection(v8::internal::GarbageCollector, v8::GCCallbackFlags) /out/../deps/v8/src/heap/heap.cc:1389:9 #7 0x64a4199 in v8::internal::Heap::CollectGarbage(v8::internal::GarbageCollector, v8::internal::GarbageCollectionReason, char const*, v8::GCCallbackFlags) /out/../deps/v8/src/heap/heap.cc:1023:11 #8 0x2f6abba in v8::internal::Heap::CollectGarbage(v8::internal::AllocationSpace, v8::internal::GarbageCollectionReason, v8::GCCallbackFlags) /out/../deps/v8/src/heap/heap-inl.h:681:10 #9 0x6238aad in v8::internal::Factory::CopyJSObjectWithAllocationSite(v8::internal::Handle<v8::internal::JSObject>, v8::internal::Handle<v8::internal::AllocationSite>) /out/../deps/v8/src/factory.cc:1275:3 #10 0x71ff834 in v8::internal::JSObjectWalkVisitor<v8::internal::AllocationSiteUsageContext>::StructureWalk(v8::internal::Handle<v8::internal::JSObject>) /out/../deps/v8/src/objects.cc:7938:12 #11 0x71fe07f in v8::internal::JSObject::DeepCopy(v8::internal::Handle<v8::internal::JSObject>, v8::internal::AllocationSiteUsageContext*, v8::internal::JSObject::DeepCopyHints) /out/../deps/v8/src/objects.cc:8117:32 #12 0x807a9d2 in v8::internal::__RT_impl_Runtime_CreateObjectLiteral(v8::internal::Arguments, v8::internal::Isolate*) /out/../deps/v8/src/runtime/runtime-literals.cc:255:7 #13 0x8077fb5 in v8::internal::Runtime_CreateObjectLiteral(int, v8::internal::Object**, v8::internal::Isolate*) /out/../deps/v8/src/runtime/runtime-literals.cc:210:1 #14 0x255f1f904563 (<unknown module>) #15 0x255f1facc72c (<unknown module>) #16 0x255f1fa0e104 (<unknown module>) #17 0x255f1f90675a (<unknown module>) #18 0x255f1fa85ab6 (<unknown module>) #19 0x255f1fa0e104 (<unknown module>) #20 0x255f1fa84f36 (<unknown module>) #21 0x255f1fa0e104 (<unknown module>) #22 0x255f1fa85149 (<unknown module>) #23 0x255f1fa0e104 (<unknown module>) #24 0x255f1fa84895 (<unknown module>) #25 0x255f1fa0e104 (<unknown module>) #26 0x255f1fa85149 (<unknown module>) #27 0x255f1fa0e104 (<unknown module>) #28 0x255f1fa85f5f (<unknown module>) #29 0x255f1fa0e104 (<unknown module>) previously allocated by thread T0 here: #0 0x1392f0b in operator new(unsigned long) (/out/Debug/node+0x1392f0b) #1 0x9274b12 in node::cares_wrap::(anonymous namespace)::ChannelWrap::New(v8::FunctionCallbackInfo<v8::Value> const&) /out/../src/cares_wrap.cc:182:3 #2 0x30a873c in v8::internal::FunctionCallbackArguments::Call(void (*)(v8::FunctionCallbackInfo<v8::Value> const&)) /out/../deps/v8/src/api-arguments.cc:25:3 #3 0x367f215 in v8::internal::MaybeHandle<v8::internal::Object> v8::internal::(anonymous namespace)::HandleApiCallHelper<true>(v8::internal::Isolate*, v8::internal::Handle<v8::internal::HeapObject>, v8::internal::Handle<v8::internal::HeapObject>, v8::internal::Handle<v8::internal::FunctionTemplateInfo>, v8::internal::Handle<v8::internal::Object>, v8::internal::BuiltinArguments) /out/../deps/v8/src/builtins/builtins-api.cc:112:29 #4 0x367aac5 in v8::internal::Builtin_Impl_HandleApiCall(v8::internal::BuiltinArguments, v8::internal::Isolate*) /out/../deps/v8/src/builtins/builtins-api.cc:138:5 #5 0x3679317 in v8::internal::Builtin_HandleApiCall(int, v8::internal::Object**, v8::internal::Isolate*) /out/../deps/v8/src/builtins/builtins-api.cc:130:1 #6 0x255f1f904563 (<unknown module>) #7 0x255f1fa0945c (<unknown module>) #8 0x255f1fa88c34 (<unknown module>) #9 0x255f1fa0e104 (<unknown module>) #10 0x255f1fa84895 (<unknown module>) #11 0x255f1fa0e104 (<unknown module>) #12 0x255f1fa85357 (<unknown module>) #13 0x255f1fa0e104 (<unknown module>) #14 0x255f1fa85357 (<unknown module>) #15 0x255f1fa0e104 (<unknown module>) #16 0x255f1fa85149 (<unknown module>) #17 0x255f1fa0e104 (<unknown module>) #18 0x255f1fa8616f (<unknown module>) #19 0x255f1fa0e104 (<unknown module>) #20 0x255f1fa84895 (<unknown module>) #21 0x255f1fa0e104 (<unknown module>) #22 0x255f1fabfb36 (<unknown module>) #23 0x255f1fa0e104 (<unknown module>) #24 0x255f1fa85d4e (<unknown module>) #25 0x255f1fa0e104 (<unknown module>) #26 0x255f1fa0c998 (<unknown module>) #27 0x255f1f90412c (<unknown module>) #28 0x616d642 in v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, bool, v8::internal::Handle<v8::internal::Object>, v8::internal::Handle<v8::internal::Object>, int, v8::internal::Handle<v8::internal::Object>*, v8::internal::Handle<v8::internal::Object>, v8::internal::Execution::MessageHandling) /out/../deps/v8/src/execution.cc:145:13 #29 0x616ad46 in v8::internal::(anonymous namespace)::CallInternal(v8::internal::Isolate*, v8::internal::Handle<v8::internal::Object>, v8::internal::Handle<v8::internal::Object>, int, v8::internal::Handle<v8::internal::Object>*, v8::internal::Execution::MessageHandling) /out/../deps/v8/src/execution.cc:181:10 SUMMARY: AddressSanitizer: heap-use-after-free /out/../deps/uv/src/unix/core.c:277 uv__finish_close Shadow bytes around the buggy address: 0x0c228000e770: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd 0x0c228000e780: fd fd fd fd fd fd fd fd fa fa fa fa fa fa fa fa 0x0c228000e790: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c228000e7a0: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa 0x0c228000e7b0: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd =>0x0c228000e7c0: fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd fd fd 0x0c228000e7d0: fd fd fd fd fa fa fa fa fa fa fa fa fa fa fa fa 0x0c228000e7e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0x0c228000e7f0: 00 00 00 00 00 00 00 00 00 00 fa fa fa fa fa fa 0x0c228000e800: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa 0x0c228000e810: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Heap right redzone: fb Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack partial redzone: f4 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc ASan internal: fe ==85389==ABORTING Metadata
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dnsIssues and PRs related to the dns subsystem.Issues and PRs related to the dns subsystem.