Segfault while debugging on macOS with certain libraries #1498
Description
Environment data
dotnet --info output:
.NET Command Line Tools (1.0.4)
Product Information:
Version: 1.0.4
Commit SHA-1 hash: af1e6684fd
Runtime Environment:
OS Name: Mac OS X
OS Version: 10.12
OS Platform: Darwin
RID: osx.10.12-x64
Base Path: /usr/local/share/dotnet/sdk/1.0.4
VS Code version: 1.12.2
C# Extension version: 1.9.0
Steps to reproduce
Project to reproduce with
redis-crash.csproj
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>netcoreapp1.1</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="StackExchange.Redis" Version="1.2.3"/>
</ItemGroup>
</Project>
Program.cs
using System;
using StackExchange.Redis;
namespace redis_crash
{
class Program
{
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
var connection = ConnectionMultiplexer.Connect("127.0.0.1");
Console.WriteLine("Hello World 2!");
Console.ReadLine();
}
}
}
launch.json
{
// Use IntelliSense to find out which attributes exist for C# debugging
// Use hover for the description of the existing attributes
// For further information visit https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md
"version": "0.2.0",
"configurations": [
{
"name": ".NET Core Launch (console)",
"type": "coreclr",
"request": "launch",
"preLaunchTask": "build",
// If you have changed target frameworks, make sure to update the program path.
"program": "${workspaceRoot}/bin/Debug/netcoreapp1.1/redis-crash.dll",
"args": [],
"cwd": "${workspaceRoot}",
// For more information about the 'console' field, see https://github.com/OmniSharp/omnisharp-vscode/blob/master/debugger-launchjson.md#console-terminal-window
"console": "externalTerminal",
"stopAtEntry": true,
"internalConsoleOptions": "openOnSessionStart"
},
{
"name": ".NET Core Attach",
"type": "coreclr",
"request": "attach",
"processId": "${command:pickProcess}"
}
]
}
- Setup a project with the files above
- Run project with debugging
Expected behavior
- Break before the first line of Main
Actual behavior
Segfault in the external window:
Alecs-iMac:~ alecgorge$ cd '/Users/alecgorge/.vscode/extensions/ms-vscode.csharp-1.9.0/.debugger'; '/Users/alecgorge/.vscode/extensions/ms-vscode.csharp-1.9.0/.debugger/vsdbg' '--interpreter=vscode' '--connection=/var/folders/fk/9cgk60qd2cncn3w6sy37rl8h0000gn/T/CoreFxPipe_vsdbg-ui-bfab01f86b2e48c4a8a52cf62f8a2dc4'
Segmentation fault: 11
Crash info from vsdbg_2017-05-19-101121_Alecs-iMac-2.crash
Process: vsdbg [86642]
Path: /Users/USER/*/vsdbg
Identifier: vsdbg
Version: 0
Code Type: X86-64 (Native)
Parent Process: bash [86575]
Responsible: vsdbg [86642]
User ID: 501
Date/Time: 2017-05-19 10:11:21.335 +0200
OS Version: Mac OS X 10.12.4 (16E195)
Report Version: 12
Anonymous UUID: 65284C45-7A70-BFBC-AB20-BF16F61885B5
Time Awake Since Boot: 910000 seconds
System Integrity Protection: enabled
Crashed Thread: 7
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x000000000102031c
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Segmentation fault: 11
Termination Reason: Namespace SIGNAL, Code 0xb
Terminating Process: exc handler [0]
VM Regions Near 0x102031c:
-->
__TEXT 000000010c544000-000000010c549000 [ 20K] r-x/rwx SM=COW /Users/USER/*
Thread 0:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fffad300bf2 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fffad3ec86e _pthread_cond_wait + 712
2 libvsbaseservices.dylib 0x000000010cda7a72 CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 322
3 libvsbaseservices.dylib 0x000000010cda76b7 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 391
4 libvsbaseservices.dylib 0x000000010cdac494 CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int) + 1652
5 libvsdbg.dylib 0x000000010c5ab403 VsCode::CommandQueue::CommandLoop() + 131
6 libvsdbg.dylib 0x000000010c5b5847 CVsCodeMainLoop::Run() + 103
7 libvsdbg.dylib 0x000000010c559631 RunMainLoop + 17
8 vsdbg 0x000000010c547e82 main + 434
9 libdyld.dylib 0x00007fffad1d2235 start + 1
Thread 1:
0 libsystem_kernel.dylib 0x00007fffad2f934a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fffad2f8797 mach_msg + 55
2 libvsbaseservices.dylib 0x000000010cdb53ba MachMessage::Receive(unsigned int) + 74
3 libvsbaseservices.dylib 0x000000010cdb42ce SEHExceptionThread(void*) + 110
4 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
6 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 2:
0 libsystem_kernel.dylib 0x00007fffad301d96 kevent + 10
1 libvsbaseservices.dylib 0x000000010cda9e9e CorUnix::CPalSynchronizationManager::ReadBytesFromProcessPipe(int, unsigned char*, int) + 238
2 libvsbaseservices.dylib 0x000000010cda9454 CorUnix::CPalSynchronizationManager::WorkerThread(void*) + 132
3 libvsbaseservices.dylib 0x000000010cdb1d28 CorUnix::CPalThread::ThreadEntry(void*) + 328
4 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
6 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 3:
0 libsystem_kernel.dylib 0x00007fffad302246 read + 10
1 libvsdbg.dylib 0x000000010c5afccf VsCode::CProtocolStdIO::ReadBlockFromStream(char*, unsigned int) + 63
2 libvsdbg.dylib 0x000000010c5afaca VsCode::CProtocolStdIO::Read(char**) + 58
3 libvsdbg.dylib 0x000000010c5b5d41 void* std::__1::__thread_proxy<std::__1::tuple<CVsCodeMainLoop::Run()::$_1> >(void*) + 129
4 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
6 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 4:
0 libsystem_kernel.dylib 0x00007fffad300bf2 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fffad3ec86e _pthread_cond_wait + 712
2 libvsbaseservices.dylib 0x000000010cda7a45 CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 277
3 libvsbaseservices.dylib 0x000000010cda76b7 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 391
4 libvsbaseservices.dylib 0x000000010cdac77a Sleep + 90
5 libvsdebugeng.impl.dylib 0x000000010c7f17b2 GetMessage_CoreSys(tagMSG*, void*, unsigned int, unsigned int) + 722
6 libvsdebugeng.impl.dylib 0x000000010c799076 ManagedDM::CV2EventThread::MessageLoop(ManagedDM::CV2Process*) + 38
7 libvsdebugeng.impl.dylib 0x000000010c798f6e ManagedDM::CV2EventThread::ManagedDMEventThreadFunc(void*) + 398
8 libvsbaseservices.dylib 0x000000010cdb1d28 CorUnix::CPalThread::ThreadEntry(void*) + 328
9 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
10 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
11 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 5:
0 libsystem_kernel.dylib 0x00007fffad2f934a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fffad2f8797 mach_msg + 55
2 libdbgshim.dylib 0x000000010cf8836a MachMessage::Receive(unsigned int) + 74
3 libdbgshim.dylib 0x000000010cf87289 SEHExceptionThread(void*) + 105
4 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
6 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 6:
0 libsystem_kernel.dylib 0x00007fffad2f934a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fffad2f8797 mach_msg + 55
2 libmscordaccore.dylib 0x000000010d40f3aa MachMessage::Receive(unsigned int) + 74
3 libmscordaccore.dylib 0x000000010d40e2c9 SEHExceptionThread(void*) + 105
4 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
6 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 7 Crashed:
0 libsystem_malloc.dylib 0x00007fffad35427e malloc_zone_malloc + 103
1 libvsbaseservices.dylib 0x000000010cd953f8 HeapAlloc + 40
2 libvsdebugeng.impl.dylib 0x000000010c7f111e MakeStream(unsigned char const*, unsigned int, IStream**) + 46
3 libvsdebugeng.impl.dylib 0x000000010c7c8fc8 SymProvider::CDiaLoader::LoadSymbolsForModuleInstance(Microsoft::VisualStudio::Debugger::DkmModuleInstance*) + 312
4 libvsdebugeng.dylib 0x000000010c99fcc2 dispatcher::DkmModuleInstance::FireCreateEvent() + 274
5 libvsdebugeng.dylib 0x000000010c99facd dispatcher::Clr::DkmClrModuleInstance::Create(_GUID const&, dispatcher::DkmString*, dispatcher::DkmString*, unsigned long, dispatcher::DkmModuleVersion*, dispatcher::Symbols::DkmSymbolFileId*, dispatcher::DkmModuleFlags, dispatcher::DkmModuleMemoryLayout, unsigned long, unsigned int, unsigned int, dispatcher::DkmString*, dispatcher::Clr::DkmClrRuntimeInstance*, _GUID const&, dispatcher::Clr::DkmClrModuleFlags, dispatcher::Clr::DkmClrAppDomain*, unsigned int, bool, dispatcher::Symbols::DkmModule*, dispatcher::DkmModuleInstance::MinidumpInfo const*, dispatcher::DkmDataItem const&, dispatcher::Clr::DkmClrModuleInstance**) + 957
6 libvsdebugeng.dylib 0x000000010c9a0175 ProcAEA58B7861C86E08A55546A1C4D0ACAD + 229
7 libvsdebugeng.impl.dylib 0x000000010c75a12c ManagedDM::CDbiCallback::DoLoadModuleImpl(ManagedDM::CClrInstance*, unsigned int, Microsoft::VisualStudio::Debugger::Clr::DkmClrAppDomain*, ICorDebugModule*, Microsoft::VisualStudio::Debugger::DkmModuleFlags, Microsoft::VisualStudio::Debugger::DkmString*, Microsoft::VisualStudio::Debugger::Clr::DkmClrModuleInstance**, ManagedDM::CDMModule**) + 2604
8 libvsdebugeng.impl.dylib 0x000000010c75ad4d ManagedDM::CDbiCallback::DoLoadModule(ICorDebugAppDomain*, ICorDebugModule*, Microsoft::VisualStudio::Debugger::DkmModuleFlags, Microsoft::VisualStudio::Debugger::Clr::DkmClrModuleInstance**) + 253
9 libvsdebugeng.impl.dylib 0x000000010c75eca3 ManagedDM::CDbiCallback::DoDebugEvents(ATL::CAtlList<CComObjectPtr<ManagedDM::CManagedDebugEvent>, ATL::CElementTraits<CComObjectPtr<ManagedDM::CManagedDebugEvent> > >*) + 1603
10 libvsdebugeng.impl.dylib 0x000000010c795dc4 ManagedDM::CV2DbiCallback::OnDebugEvent() + 196
11 libvsdebugeng.impl.dylib 0x000000010c756ddd ManagedDM::CDbiCallback::LoadModule(ICorDebugAppDomain*, ICorDebugModule*) + 541
12 libvsdebugeng.impl.dylib 0x000000010c793910 ManagedDM::CV2DbiCallback::LoadModule(ICorDebugAppDomain*, ICorDebugModule*) + 96
13 libmscordbi.dylib 0x000000010d05e133 ShimProxyCallback::LoadModule(ICorDebugAppDomain*, ICorDebugModule*)::LoadModuleEvent::Dispatch(ManagedEvent::DispatchArgs) + 35
14 libmscordbi.dylib 0x000000010d094a9f CordbProcess::DispatchRCEvent() + 399
15 libmscordbi.dylib 0x000000010d09e0e8 CordbRCEventThread::FlushQueuedEvents(CordbProcess*) + 152
16 libmscordbi.dylib 0x000000010d09e8b2 CordbRCEventThread::ThreadProc() + 1074
17 libmscordbi.dylib 0x000000010d09ea59 CordbRCEventThread::ThreadProc(void*) + 9
18 libmscordaccore.dylib 0x000000010d40bbe8 CorUnix::CPalThread::ThreadEntry(void*) + 328
19 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
20 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
21 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 8:
0 libsystem_kernel.dylib 0x00007fffad300bf2 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fffad3ec86e _pthread_cond_wait + 712
2 libmscordaccore.dylib 0x000000010d4011e5 CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 277
3 libmscordaccore.dylib 0x000000010d400e56 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 390
4 libmscordaccore.dylib 0x000000010d406148 CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int) + 1912
5 libmscordbi.dylib 0x000000010d087ba5 DbgTransportPipeline::WaitForDebugEvent(_DEBUG_EVENT*, unsigned int, CordbProcess*) + 101
6 libmscordbi.dylib 0x000000010d09f235 CordbWin32EventThread::Win32EventLoop() + 133
7 libmscordbi.dylib 0x000000010d0a0d2d CordbWin32EventThread::ThreadProc(void*) + 29
8 libmscordaccore.dylib 0x000000010d40bbe8 CorUnix::CPalThread::ThreadEntry(void*) + 328
9 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
10 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
11 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 9:
0 libsystem_kernel.dylib 0x00007fffad302246 read + 10
1 libmscordbi.dylib 0x000000010d056a64 TwoWayPipe::Read(void*, unsigned int) + 36
2 libmscordbi.dylib 0x000000010d0de8fd DbgTransportSession::TransportWorker() + 2237
3 libmscordbi.dylib 0x000000010d0dc4a9 DbgTransportSession::TransportWorkerStatic(void*) + 9
4 libmscordaccore.dylib 0x000000010d40bbe8 CorUnix::CPalThread::ThreadEntry(void*) + 328
5 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
6 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
7 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 10:
0 libsystem_kernel.dylib 0x00007fffad2f934a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fffad2f8797 mach_msg + 55
2 libcoreclr.dylib 0x000000010db4f61a MachMessage::Receive(unsigned int) + 74
3 libcoreclr.dylib 0x000000010db4e539 SEHExceptionThread(void*) + 105
4 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
6 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 11:
0 libsystem_kernel.dylib 0x00007fffad300a3e __open + 10
1 libcoreclr.dylib 0x000000010dbbeb0f TwoWayPipe::WaitForConnection() + 31
2 libcoreclr.dylib 0x000000010dbb68c1 DbgTransportSession::TransportWorker() + 145
3 libcoreclr.dylib 0x000000010dbb54e9 DbgTransportSession::TransportWorkerStatic(void*) + 9
4 libcoreclr.dylib 0x000000010db4be48 CorUnix::CPalThread::ThreadEntry(void*) + 328
5 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
6 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
7 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 12:
0 libsystem_kernel.dylib 0x00007fffad300bf2 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fffad3ec86e _pthread_cond_wait + 712
2 libcoreclr.dylib 0x000000010db417a2 CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 306
3 libcoreclr.dylib 0x000000010db413f6 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 390
4 libcoreclr.dylib 0x000000010db463e8 CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int) + 1912
5 libcoreclr.dylib 0x000000010dbb3c73 DebuggerRCThread::MainLoop() + 755
6 libcoreclr.dylib 0x000000010dbb3927 DebuggerRCThread::ThreadProc() + 263
7 libcoreclr.dylib 0x000000010dbb35d4 DebuggerRCThread::ThreadProcStatic(void*) + 132
8 libcoreclr.dylib 0x000000010db4be48 CorUnix::CPalThread::ThreadEntry(void*) + 328
9 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
10 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
11 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 13:
0 libsystem_kernel.dylib 0x00007fffad300bf2 __psynch_cvwait + 10
1 libsystem_pthread.dylib 0x00007fffad3ec86e _pthread_cond_wait + 712
2 libcoreclr.dylib 0x000000010db41785 CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 277
3 libcoreclr.dylib 0x000000010db413f6 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 390
4 libcoreclr.dylib 0x000000010db463e8 CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int) + 1912
5 libcoreclr.dylib 0x000000010db46636 WaitForSingleObjectEx + 70
6 libcoreclr.dylib 0x000000010de03340 CLREventBase::WaitEx(unsigned int, WaitMode, PendingSync*) + 176
7 libcoreclr.dylib 0x000000010dd58e6f FinalizerThread::WaitForFinalizerEvent(CLREvent*) + 31
8 libcoreclr.dylib 0x000000010dd58fe3 FinalizerThread::FinalizerThreadWorker(void*) + 115
9 libcoreclr.dylib 0x000000010dcd315a ManagedThreadBase_DispatchOuter(ManagedThreadCallState*) + 378
10 libcoreclr.dylib 0x000000010dcd3859 ManagedThreadBase::FinalizerBase(void (*)(void*)) + 73
11 libcoreclr.dylib 0x000000010dd593cc FinalizerThread::FinalizerThreadStart(void*) + 204
12 libcoreclr.dylib 0x000000010db4be48 CorUnix::CPalThread::ThreadEntry(void*) + 328
13 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
14 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
15 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 14:
0 libsystem_kernel.dylib 0x00007fffad2f934a mach_msg_trap + 10
1 libsystem_kernel.dylib 0x00007fffad2f8797 mach_msg + 55
2 libclrjit.dylib 0x000000010e9fc74a MachMessage::Receive(unsigned int) + 74
3 libclrjit.dylib 0x000000010e9fb669 SEHExceptionThread(void*) + 105
4 libsystem_pthread.dylib 0x00007fffad3eb9af _pthread_body + 180
5 libsystem_pthread.dylib 0x00007fffad3eb8fb _pthread_start + 286
6 libsystem_pthread.dylib 0x00007fffad3eb101 thread_start + 13
Thread 7 crashed with X86 Thread State (64-bit):
rax: 0x0000000000000000 rbx: 0x0000000000000000 rcx: 0x0000000000000000 rdx: 0x00000000000142de
rdi: 0x0000000001020304 rsi: 0x00000000000142de rbp: 0x00007000030eb0b0 rsp: 0x00007000030eb090
r8: 0x00000000ffffffff r9: 0x00007fe4fd800c18 r10: 0x0000000118221110 r11: 0x000000010cdb8500
r12: 0x00000000000142de r13: 0x00007fe4fc6232a0 r14: 0x0000000001020304 r15: 0x00000000000142de
rip: 0x00007fffad35427e rfl: 0x0000000000010213 cr2: 0x0000700002fe4f08
Logical CPU: 0
Error Code: 0x02000005
Trap Number: 133
Binary Images:
0x10c544000 - 0x10c548ff3 +vsdbg (0) <554140EB-1F51-3ED9-B1F3-6AEAA057EA04> /Users/USER/*/vsdbg
0x10c551000 - 0x10c642fff +libvsdbg.dylib (0) <56FEA98B-3056-3DBA-81A8-E7AD8C5AB8C4> /Users/USER/*/libvsdbg.dylib
0x10c744000 - 0x10c82bfff +libvsdebugeng.impl.dylib (0) <D3A378BF-0478-35BD-B3C0-CE2EA94A8EA5> /Users/USER/*/libvsdebugeng.impl.dylib
0x10c992000 - 0x10caf0fff +libvsdebugeng.dylib (0) <8B00D853-1543-3FB8-8E08-3C3F166D7F4B> /Users/USER/*/libvsdebugeng.dylib
0x10cd6f000 - 0x10cdc1ff7 +libvsbaseservices.dylib (0) <6C445000-2D51-387E-B375-FCD2A55DF73D> /Users/USER/*/libvsbaseservices.dylib
0x10cf1f000 - 0x10cfc0ff7 +libdbgshim.dylib (0) <5F2D306A-156D-3E5A-8CD8-92065024F481> /Users/USER/*/libdbgshim.dylib
0x10d055000 - 0x10d1afff7 +libmscordbi.dylib (0) <5681A6C3-02FA-30A7-BF54-FF2E37165A8F> /usr/local/share/dotnet/shared/Microsoft.NETCore.App/1.1.2/libmscordbi.dylib
0x10d23e000 - 0x10d488ff7 +libmscordaccore.dylib (0) <A66F1A00-3E65-3F3C-BD58-DD5180A1C0AC> /usr/local/share/dotnet/shared/Microsoft.NETCore.App/1.1.2/libmscordaccore.dylib
0x10db01000 - 0x10e024fff +libcoreclr.dylib (0) <40FA6CB2-53C9-3176-8516-FE40B2D8F3C8> /Users/USER/*/libcoreclr.dylib
0x10e83f000 - 0x10ea41fff +libclrjit.dylib (0) <C4B9490D-6AC6-3CEE-9A9C-90495E36699C> /Users/USER/*/libclrjit.dylib
0x10eb1b000 - 0x10eb23fff +System.Globalization.Native.dylib (0) <60FCF655-55BA-37A9-924C-157C9E8E7AC1> /Users/USER/*/System.Globalization.Native.dylib
0x111721000 - 0x111728ffb +System.Native.dylib (0) <5F1F2A95-1960-379D-A897-AF4F76F06D11> /Users/USER/*/System.Native.dylib
0x1181e2000 - 0x11821fdc7 dyld (433.5) <8239D0D7-66F6-3C44-A77F-586F74525DA3> /usr/lib/dyld
0x7fff94547000 - 0x7fff94547fff com.apple.Accelerate (1.11 - Accelerate 1.11) <E559CE70-1A9A-3C5C-9FB7-C51FDF82F03C> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x7fff94560000 - 0x7fff94a79feb com.apple.vImage (8.1 - ???) <3992178B-0FF2-3B05-8830-6894BE8FD6D6> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
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0x7fffacfae000 - 0x7fffacfbbfff libxar.1.dylib (357) <69547C64-E811-326F-BBED-490C6361BDCB> /usr/lib/libxar.1.dylib
0x7fffacfbc000 - 0x7fffad0abffb libxml2.2.dylib (30.15) <99A58C37-98A2-3430-942A-D6038C1A198C> /usr/lib/libxml2.2.dylib
0x7fffad0ac000 - 0x7fffad0d5fff libxslt.1.dylib (15.9) <71FFCDFF-4AAF-394C-8452-92F301FB1A46> /usr/lib/libxslt.1.dylib
0x7fffad0d6000 - 0x7fffad0e7ff3 libz.1.dylib (67) <46E3FFA2-4328-327A-8D34-A03E20BFFB8E> /usr/lib/libz.1.dylib
0x7fffad0f6000 - 0x7fffad0faff7 libcache.dylib (79) <093A4DAB-8385-3D47-A350-E20CB7CCF7BF> /usr/lib/system/libcache.dylib
0x7fffad0fb000 - 0x7fffad105fff libcommonCrypto.dylib (60092.50.5) <BE8380C5-C09D-3F48-A502-AEBB58231067> /usr/lib/system/libcommonCrypto.dylib
0x7fffad106000 - 0x7fffad10dfff libcompiler_rt.dylib (62) <55D47421-772A-32AB-B529-1A46C2F43B4D> /usr/lib/system/libcompiler_rt.dylib
0x7fffad10e000 - 0x7fffad116fff libcopyfile.dylib (138) <819BEA3C-DF11-3E3D-A1A1-5A51C5BF1961> /usr/lib/system/libcopyfile.dylib
0x7fffad117000 - 0x7fffad19afdf libcorecrypto.dylib (442.50.19) <8A39EE06-121C-3731-A9E9-35847064B3EE> /usr/lib/system/libcorecrypto.dylib
0x7fffad19b000 - 0x7fffad1ccfff libdispatch.dylib (703.50.37) <D122E712-9593-31CA-BAC4-4A54410BF4A0> /usr/lib/system/libdispatch.dylib
0x7fffad1cd000 - 0x7fffad1d2ffb libdyld.dylib (433.5) <129D3B44-FB21-3750-9A68-48B5C3DC632B> /usr/lib/system/libdyld.dylib
0x7fffad1d3000 - 0x7fffad1d3ffb libkeymgr.dylib (28) <7AA011A9-DC21-3488-BF73-3B5B14D1FDD6> /usr/lib/system/libkeymgr.dylib
0x7fffad1d4000 - 0x7fffad1e0ffb libkxld.dylib (3789.51.2) <0BD544C8-A376-3F91-8426-564B4F7FE7E6> /usr/lib/system/libkxld.dylib
0x7fffad1e1000 - 0x7fffad1e1fff liblaunch.dylib (972.50.27) <037D198D-9B02-3EF9-A8E9-6F43EA555A9E> /usr/lib/system/liblaunch.dylib
0x7fffad1e2000 - 0x7fffad1e7ff3 libmacho.dylib (898) <17D5D855-F6C3-3B04-B680-E9BF02EF8AED> /usr/lib/system/libmacho.dylib
0x7fffad1e8000 - 0x7fffad1eaff3 libquarantine.dylib (85.50.1) <7B32EA91-AB8B-32A4-8E52-9D3ED46CAC8E> /usr/lib/system/libquarantine.dylib
0x7fffad1eb000 - 0x7fffad1ecffb libremovefile.dylib (45) <38D4CB9C-10CD-30D3-8B7B-A515EC75FE85> /usr/lib/system/libremovefile.dylib
0x7fffad1ed000 - 0x7fffad205ff7 libsystem_asl.dylib (349.50.5) <096E4228-3B7C-30A6-8B13-EC909A64499A> /usr/lib/system/libsystem_asl.dylib
0x7fffad206000 - 0x7fffad206ff7 libsystem_blocks.dylib (67) <10DC5404-73AB-35B3-A277-A8AFECB476EB> /usr/lib/system/libsystem_blocks.dylib
0x7fffad207000 - 0x7fffad294fef libsystem_c.dylib (1158.50.2) <B03F8915-1E9B-3C84-AED5-68E2E0031630> /usr/lib/system/libsystem_c.dylib
0x7fffad295000 - 0x7fffad298ffb libsystem_configuration.dylib (888.51.2) <872C8A42-0871-3424-830B-84E587A75D27> /usr/lib/system/libsystem_configuration.dylib
0x7fffad299000 - 0x7fffad29cfff libsystem_coreservices.dylib (41.4) <FD0915E8-9C43-3FCB-94E0-33C45DF028CD> /usr/lib/system/libsystem_coreservices.dylib
0x7fffad29d000 - 0x7fffad2b5fff libsystem_coretls.dylib (121.50.4) <EC6FCF07-DCFB-3A03-9CC9-6DD3709974C6> /usr/lib/system/libsystem_coretls.dylib
0x7fffad2b6000 - 0x7fffad2bcfff libsystem_dnssd.dylib (765.50.9) <FF02A197-7CEF-3684-8155-E5E225051E44> /usr/lib/system/libsystem_dnssd.dylib
0x7fffad2bd000 - 0x7fffad2e6ff7 libsystem_info.dylib (503.50.4) <611DB84C-BF70-3F92-8702-B9F28A900920> /usr/lib/system/libsystem_info.dylib
0x7fffad2e7000 - 0x7fffad309ff7 libsystem_kernel.dylib (3789.51.2) <FC51D7B0-8292-3F6A-9231-64340B237EB7> /usr/lib/system/libsystem_kernel.dylib
0x7fffad30a000 - 0x7fffad351fe7 libsystem_m.dylib (3121.6) <A790C9A5-DD24-32F5-8FD7-33BFCE79AC87> /usr/lib/system/libsystem_m.dylib
0x7fffad352000 - 0x7fffad370ff7 libsystem_malloc.dylib (116.50.8) <48D1BBA3-914E-3C65-AF70-C33B4A1B5233> /usr/lib/system/libsystem_malloc.dylib
0x7fffad371000 - 0x7fffad3caffb libsystem_network.dylib (856.50.56) <FDE14243-4328-3EFD-824C-C0D314D7B540> /usr/lib/system/libsystem_network.dylib
0x7fffad3cb000 - 0x7fffad3d4ff3 libsystem_networkextension.dylib (563.50.32) <D5381DA9-529C-3588-BE16-A2245DE93423> /usr/lib/system/libsystem_networkextension.dylib
0x7fffad3d5000 - 0x7fffad3deff3 libsystem_notify.dylib (165.20.1) <B8160190-A069-3B3A-BDF6-2AA408221FAE> /usr/lib/system/libsystem_notify.dylib
0x7fffad3df000 - 0x7fffad3e7fe7 libsystem_platform.dylib (126.50.8) <5940EAB7-84D6-34DC-9B38-111648B2B589> /usr/lib/system/libsystem_platform.dylib
0x7fffad3e8000 - 0x7fffad3f2ff7 libsystem_pthread.dylib (218.51.1) <62A84A68-431D-3B54-A7B6-31367CCF2884> /usr/lib/system/libsystem_pthread.dylib
0x7fffad3f3000 - 0x7fffad3f6ff7 libsystem_sandbox.dylib (592.50.47) <87A2327D-B7A1-3E4C-A85D-D3D9484003DB> /usr/lib/system/libsystem_sandbox.dylib
0x7fffad3f7000 - 0x7fffad3f8ff3 libsystem_secinit.dylib (24.50.4) <F78B847B-3565-3E4B-98A6-F7AD40392E2D> /usr/lib/system/libsystem_secinit.dylib
0x7fffad3f9000 - 0x7fffad400ffb libsystem_symptoms.dylib (532.50.47) <9CF6A47C-8343-3E85-9C27-A8D98E726A8B> /usr/lib/system/libsystem_symptoms.dylib
0x7fffad401000 - 0x7fffad414ff7 libsystem_trace.dylib (518.51.1) <E1D540D8-CC88-3901-92BA-FC4B802FE0E8> /usr/lib/system/libsystem_trace.dylib
0x7fffad415000 - 0x7fffad41affb libunwind.dylib (35.3) <3D50D8A8-C460-334D-A519-2DA841102C6B> /usr/lib/system/libunwind.dylib
0x7fffad41b000 - 0x7fffad444ff7 libxpc.dylib (972.50.27) <ABC45890-DA23-3A4A-B50B-1384BD4CBBDF> /usr/lib/system/libxpc.dylib
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 894337
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=215.0M resident=0K(0%) swapped_out_or_unallocated=215.0M(100%)
Writable regions: Total=97.5M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=97.5M(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Kernel Alloc Once 8K 2
MALLOC 73.5M 19
MALLOC guard page 16K 4
MALLOC_LARGE (reserved) 1168K 2 reserved VM address space (unallocated)
STACK GUARD 56.1M 16
Stack 15.1M 16
VM_ALLOCATE 395.6M 134
VM_ALLOCATE (reserved) 64K 2 reserved VM address space (unallocated)
__DATA 10.4M 153
__LINKEDIT 121.9M 15
__TEXT 93.0M 154
__UNICODE 556K 2
mapped file 55.1M 85
shared memory 8K 3
=========== ======= =======
TOTAL 822.5M 593
TOTAL, minus reserved VM space 821.3M 593
This does somewhat seem like an issue with StackExchange.Redis since it only happens in version 1.2.2 and 1.2.3 but it could very well be happening with more libraries. In any case I have filed there as well: StackExchange/StackExchange.Redis#629 (comment) .
In a larger project (ASP.NET Core based) where this was a problem, the crash only happens once ConnectionMultiplexer.Connect is hit. Other code is printed and you can debug line by line up to that point. When running in this small example with "stopAtEntry": true, in launch.json the debugger never breaks.