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[Apple ARM64] dotnet crashing when debugging in .NET 7 (7.0.100-preview.2.22101.4) #65341
Comments
I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label. |
Tagging subscribers to this area: @tommcdon Issue DetailsDescription
Reproduction Steps
Expected behaviorI can debug Actual behaviorDebug failed Regression?Yes. This issue is not present in .NET 6. Known WorkaroundsNo response ConfigurationVersion: 7.0.100-preview.2.22111.4 Other informationCrash LogProcess: dotnet [998] Date/Time: 2022-02-14 15:30:03.078 -0800 Time Awake Since Boot: 950 seconds System Integrity Protection: disabled Crashed Thread: 0 Dispatch queue: com.apple.main-thread Exception Type: EXC_BAD_ACCESS (SIGBUS) Termination Signal: Bus error: 10 VM Regions Near 0x28034bf70: Thread 0 Crashed:: Dispatch queue: com.apple.main-thread Thread 1: Thread 2: Thread 3: Thread 4: Thread 5: Thread 6: Thread 7: Thread 0 crashed with ARM Thread State (64-bit): Binary Images: External Modification Summary: VM Region Summary:
REGION TYPE SIZE COUNT (non-coalesced) Model: Macmini9,1, BootROM 6723.140.2, proc 8:4:4 processors, 8 GB, SMC Related: microsoft/vscode#142822
|
@dotnet/dotnet-diag the bus error indicates an attempt to write to an executable memory without using an ExecutableWriterHolder. |
This issue also repro in net6.0(arm64 6.0.103&6.0.201) |
@hoyosjs is investigating this issue. |
@WardenGnaw can you try disabling R2R with |
@tommcdon Yep, disabling R2R with |
The main issue is in line 154 runtime/src/coreclr/debug/inc/arm64/primitives.h Lines 147 to 164 in 6a47ecf
enters here and we go into a SIGTRAP somewhere here: runtime/src/coreclr/inc/executableallocator.h Lines 251 to 259 in 6a47ecf
with the following stack:
From there we immediately get to a sigtrap frame for a SIGBUS, hinting that we are doing an illegal write. I don't see a frame with the signal or anything that I can use to see if it was a write, but the region is marked as r-x and it's within the range of System.Private.CoreLib's image (so the r2r part). @janvorli, is that use of the holder incorrect to cause this issue? The holder seems to be in scope, so I'd expect the pthread_jit_write_protect_np(0) to still be in effect there. The only other thing I can think of is if r2r modules are not mapped with MAP_JIT, can we still write the int3 to the image's memory? If not, then that's what's breaking this. |
I agree with you that the only case I can think of that would break this is if we didn't map the image with MAP_JIT flag. I think it is possible we don't since for execution without debugger, we would never need to write to that memory and the flag would not be needed. And I have a feeling that MAP_JIT was not possible to use with mapped files. Let me check that. |
Hmm, the mapping happens in MAPmmapAndRecord and we should be copying data from the file and not mapping the file directly. The whole range we reserve for R2R binary is reserved with the MAP_JIT. But maybe something is wrong with the logic, maybe triggered by the change that was reverted. @hoyosjs can you try to step through the MAPMapPEFile (that's where the R2R file is mapped) and see if we somehow skip setting the MAP_JIT flag? |
@janvorli As an FYI: Yep - looks like in runtime/src/coreclr/pal/src/map/map.cpp Lines 2056 to 2061 in c0072fd
runtime/src/coreclr/pal/src/map/map.cpp Lines 2331 to 2333 in c0072fd
runtime/src/coreclr/pal/src/map/map.cpp Lines 2114 to 2115 in c0072fd
If I change that to int readWriteFlags = MAP_FILE|MAP_PRIVATE|MAP_FIXED;
if (IsRunningOnMojaveHardenedRuntime())
{
readWriteFlags |= MAP_JIT;
}
int readOnlyFlags = readWriteFlags; I can see the mmap is getting the right flag, but we still crash. EDIT: That was mapping in the header. The executable sections are after. |
Investigated this a bit more with @janvorli. This looks like a bad interaction between preading the file and the MAP_JIT flag. The following stand alone c++ repro emulated parts of what the runtime does for m1. #include <iostream>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <libkern/OSCacheControl.h>
int main(int argc, const char * argv[]) {
struct stat st;
const char *path = "~/code/r2rtest/bin/Debug/net6.0/osx-arm64/publish/System.Private.CoreLib.dll";
int fd = open(path, O_RDONLY);
if (fstat(fd, &st) != 0) return 1;
size_t numOfBytes = st.st_size;
void *buffer = mmap(nullptr, numOfBytes,
PROT_NONE,
// PROT_EXEC | PROT_READ,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_JIT,
-1, 0);
if (mprotect(buffer, numOfBytes, PROT_WRITE | PROT_READ) == -1) return -1;
pthread_jit_write_protect_np(0); // WRITE ENABLE
if (pread(fd, buffer, numOfBytes, 0) == -1) return -2;
if (mprotect(buffer, numOfBytes, PROT_READ | PROT_EXEC) == -1) return -3;
pthread_jit_write_protect_np(1); // WRITE DISABLE
sys_icache_invalidate(buffer, numOfBytes);
// This is what the debugger does:
pthread_jit_write_protect_np(0); // WRITE ENABLE
* (long*)buffer = 0xD4200000;
pthread_jit_write_protect_np(1); // WRITE DISABLE
return 0;
} If doesn't matter what type of flags we pass to the first mprotect, we'll always fail.
Interestingly, if I set the mprotect around the debugger usages, it all works in this little sample. Haven't been able to test the real debugger paths with mprotect. |
Hey @hoyosjs and @janvorli, I investigated some of these aspects back when I tried to fix #64103 with #64104. I think the issue we see here is because we are mixing calls to So I think there are essentially two paths we can take to fix this: we either get rid of Thoughts? |
@jgiannuzzi we actually need both the |
@hoyosjs I have modified your test code above by
The stuff then works as expected, your test app returned 0. |
@janvorli according to my limited testing, using only |
@jgiannuzzi after switching it to |
@janvorli yes, you can flip it back to |
Given a file
Here is an example using only #include <iostream>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <libkern/OSCacheControl.h>
int main(int argc, const char * argv[]) {
struct stat st;
const char *path = "jit.txt";
int fd = open(path, O_RDONLY);
if (fstat(fd, &st) != 0) return 1;
size_t numOfBytes = st.st_size;
void *buffer = mmap(nullptr, numOfBytes,
PROT_NONE,
// PROT_EXEC | PROT_READ,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_JIT,
-1, 0);
if (mprotect(buffer, numOfBytes, PROT_WRITE | PROT_READ) == -1) return -1;
if (pread(fd, buffer, numOfBytes, 0) == -1) return -2;
if (mprotect(buffer, numOfBytes, PROT_READ | PROT_EXEC) == -1) return -3;
sys_icache_invalidate(buffer, numOfBytes);
// Call into the JIT buffer
int (*foo)(void) = (int (*)())(buffer);
std::cout << "foo returns " << foo() << std::endl;
// Modify the JIT function to return 2
if (mprotect(buffer, numOfBytes, PROT_WRITE | PROT_READ) == -1) return -1;
* (int*)buffer = 0x52800040;
if (mprotect(buffer, numOfBytes, PROT_READ | PROT_EXEC) == -1) return -3;
sys_icache_invalidate(buffer, numOfBytes);
// Call into the modified JIT buffer
std::cout << "foo returns " << foo() << std::endl;
return 0;
} |
This version, which is pretty close to the one @hoyosjs posted, also works: #include <iostream>
#include <sys/mman.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fcntl.h>
#include <libkern/OSCacheControl.h>
int main(int argc, const char * argv[]) {
struct stat st;
const char *path = "/Users/jonathan/tmp/jit.txt";
int fd = open(path, O_RDONLY);
if (fstat(fd, &st) != 0) return 1;
size_t numOfBytes = st.st_size;
void *buffer = mmap(nullptr, numOfBytes,
PROT_NONE,
// PROT_EXEC | PROT_READ,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_JIT,
-1, 0);
if (mprotect(buffer, numOfBytes, PROT_WRITE | PROT_READ) == -1) return -1;
pthread_jit_write_protect_np(0); // WRITE ENABLE
if (pread(fd, buffer, numOfBytes, 0) == -1) return -2;
if (mprotect(buffer, numOfBytes, PROT_READ | PROT_EXEC | PROT_WRITE) == -1) return -3;
pthread_jit_write_protect_np(1); // WRITE DISABLE
sys_icache_invalidate(buffer, numOfBytes);
// Call into the JIT buffer
int (*foo)(void) = (int (*)())(buffer);
std::cout << "foo returns " << foo() << std::endl;
// Modify the JIT function to return 2
pthread_jit_write_protect_np(0); // WRITE ENABLE
* (int*)buffer = 0x52800040;
pthread_jit_write_protect_np(1); // WRITE DISABLE
sys_icache_invalidate(buffer, numOfBytes);
// Call into the modified JIT buffer
std::cout << "foo returns " << foo() << std::endl;
return 0;
} The key difference is the use of |
I investigated this further, and I have a working build which loads R2R images successfully and allows debugging. The general idea is:
The important thing here is that @hoyosjs @janvorli I'm happy to make a proper PR out of this if that approach sounds good to you. |
@jgiannuzzi I had a similar change locally that I discussed with Jan that I was testing - feel free to open the PR :) Thanks. |
I was just writing the same response as @hoyosjs :-) |
Coming up with a fully working PR is actually taking longer than I expected 😞 I do have a working fix for .NET 6, and even a simplified one where I just Whilst validating my not-fully-working fix, I also built and tested on |
@jgiannuzzi could you please share your current state of the change so that I can take a look? |
@janvorli here are my branches with the simplest change to fix the debugging issue: .NET 6 and .NET 7. This change is enough to get the debugger working with R2R in both cases, but as explained above it breaks building projects on .NET 7. edit: Also a more complex change like the one we discussed a few days ago gives the same result. |
and this is my very simple way to trace the calls to |
I'll take a look at this in a bit - and nope; in x64 we also write to the instruction stream here runtime/src/coreclr/debug/ee/controller.cpp Lines 1388 to 1391 in ba962fd
|
@jgiannuzzi I don't see other changes than the relocation one in the .NET 7 branch and in the .NET 6 branch, I don't see calls to the |
@janvorli I pushed that simple RWX change because it gave the exact same result as the more complex one — happy to push that change too for you to take a look if you'd like! |
That would be nice, since it is the way I'd like to have it implemented. I'd like to give it a quick try to see where the access violation comes from. I guess it should happen when running coreclr tests too and that one is not difficult to debug using lldb. |
Yes, that would be great! |
The last .NET 7 commit was pretty much what I'd expect :) |
Description
dotnet
is crashing when debugging a .NET 7 app. See Crash Log below.Reproduction Steps
Expected behavior
I can debug
Actual behavior
Debug failed
Regression?
Yes. This issue is not present in .NET 6.
Known Workarounds
No response
Configuration
Version: 7.0.100-preview.2.22111.4
OS: Apple M1 macOS Big Sur
Architecture: ARM64
Do you know whether it is specific to that configuration? Yes, unable to reproduce this on Windows x64 and Linux x64.
Other information
Crash Log
Process: dotnet [998]
Path: /usr/local/share/dotnet/dotnet
Identifier: dotnet
Version: 0
Code Type: ARM-64 (Native)
Parent Process: vsdbg-ui [994]
Responsible: Terminal [420]
User ID: 501
Date/Time: 2022-02-14 15:30:03.078 -0800
OS Version: macOS 11.5.2 (20G95)
Report Version: 12
Anonymous UUID: 14CA5A3C-B4A6-3B88-40BD-01545D5C2061
Time Awake Since Boot: 950 seconds
System Integrity Protection: disabled
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x000000028034bf70
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Bus error: 10
Termination Reason: Namespace SIGNAL, Code 0xa
Terminating Process: exc handler [998]
VM Regions Near 0x28034bf70:
VM_ALLOCATE 2801f4000-280200000 [ 48K] ---/rwx SM=ZER
--> VM_ALLOCATE 280200000-280b5c000 [ 9584K] r-x/rwx SM=ZER
VM_ALLOCATE 280b5c000-280b68000 [ 48K] ---/rwx SM=ZER
Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0 libcoreclr.dylib 0x0000000102fd539c DebuggerController::ApplyPatch(DebuggerControllerPatch*) + 92
1 libcoreclr.dylib 0x0000000102fd5398 DebuggerController::ApplyPatch(DebuggerControllerPatch*) + 88
2 libcoreclr.dylib 0x0000000102fd5ba0 DebuggerController::AddBindAndActivatePatchForMethodDesc(MethodDesc*, DebuggerJitInfo*, unsigned long, DebuggerPatchKind, FramePointer, AppDomain*) + 332
3 libcoreclr.dylib 0x0000000102fd59d8 DebuggerController::AddBindAndActivateILSlavePatch(DebuggerControllerPatch*, DebuggerJitInfo*) + 268
4 libcoreclr.dylib 0x0000000102fe15d0 Debugger::MapAndBindFunctionPatches(DebuggerJitInfo*, MethodDesc*, unsigned char const*) + 1056
5 libcoreclr.dylib 0x0000000102fe1064 Debugger::JITComplete(NativeCodeVersion, unsigned long) + 232
6 libcoreclr.dylib 0x0000000102e06e70 ReadyToRunInfo::GetEntryPoint(MethodDesc*, PrepareCodeConfig*, int) + 1004
7 libcoreclr.dylib 0x0000000102dbb164 MethodDesc::GetPrecompiledR2RCode(PrepareCodeConfig*) + 52
8 libcoreclr.dylib 0x0000000102dbae24 MethodDesc::PrepareILBasedCode(PrepareCodeConfig*) + 172
9 libcoreclr.dylib 0x0000000102d3f974 CodeVersionManager::PublishVersionableCodeIfNecessary(MethodDesc*, CallerGCMode, bool*, bool*) + 416
10 libcoreclr.dylib 0x0000000102dbe0bc MethodDesc::DoPrestub(MethodTable*, CallerGCMode) + 212
11 libcoreclr.dylib 0x0000000102dbdbb4 PreStubWorker + 556
12 libcoreclr.dylib 0x0000000102fa0350 ThePreStub + 80
13 libcoreclr.dylib 0x0000000102fa0e48 CallDescrWorkerInternal + 132
14 libcoreclr.dylib 0x0000000102e16388 MethodDescCallSite::CallTargetWorker(unsigned long const*, unsigned long*, int) + 852
15 libcoreclr.dylib 0x0000000102d42f64 CorHost2::CreateAppDomainWithManager(char16_t const*, unsigned int, char16_t const*, char16_t const*, int, char16_t const**, char16_t const**, unsigned int*) + 620
16 libcoreclr.dylib 0x0000000102d015e8 coreclr_initialize + 784
17 libhostpolicy.dylib 0x00000001029615ac coreclr_t::create(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, char const*, char const*, coreclr_property_bag_t const&, std::__1::unique_ptr<coreclr_t, std::__1::default_delete<coreclr_t> >&) + 420
18 libhostpolicy.dylib 0x000000010296f150 (anonymous namespace)::create_coreclr() + 432
19 libhostpolicy.dylib 0x000000010296ec24 corehost_main + 160
20 libhostfxr.dylib 0x00000001028fdd74 fx_muxer_t::handle_exec_host_command(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, host_startup_info_t const&, std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > const&, std::__1::unordered_map<known_options, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > > >, known_options_hash, std::__1::equal_to<known_options>, std::__1::allocator<std::__1::pair<known_options const, std::__1::vector<std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator >, std::__1::allocator<std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator > > > > > > const&, int, char const**, int, host_mode_t, bool, char*, int, int*) + 1328
21 libhostfxr.dylib 0x00000001028fce50 fx_muxer_t::execute(std::__1::basic_string<char, std::__1::char_traits, std::__1::allocator >, int, char const**, host_startup_info_t const&, char*, int, int*) + 860
22 libhostfxr.dylib 0x00000001028f9ab4 hostfxr_main_startupinfo + 152
23 dotnet 0x0000000102891654 exe_start(int, char const**) + 1176
24 dotnet 0x0000000102891804 main + 160
25 libdyld.dylib 0x00000001941f1430 start + 4
Thread 1:
0 libsystem_kernel.dylib 0x0000000194198dd4 mach_msg_trap + 8
1 libsystem_kernel.dylib 0x0000000194199184 mach_msg + 76
2 libcoreclr.dylib 0x0000000102cff7b8 MachMessage::Receive(unsigned int) + 80
3 libcoreclr.dylib 0x0000000102cfeb38 SEHExceptionThread(void*) + 144
4 libsystem_pthread.dylib 0x00000001941d3878 _pthread_start + 320
5 libsystem_pthread.dylib 0x00000001941ce5e0 thread_start + 8
Thread 2:
0 libsystem_kernel.dylib 0x000000019419ed54 kevent + 8
1 libcoreclr.dylib 0x0000000102cf3a54 CorUnix::CPalSynchronizationManager::ReadBytesFromProcessPipe(int, unsigned char*, int) + 396
2 libcoreclr.dylib 0x0000000102cf31c0 CorUnix::CPalSynchronizationManager::WorkerThread(void*) + 140
3 libcoreclr.dylib 0x0000000102cfc6dc CorUnix::CPalThread::ThreadEntry(void*) + 380
4 libsystem_pthread.dylib 0x00000001941d3878 _pthread_start + 320
5 libsystem_pthread.dylib 0x00000001941ce5e0 thread_start + 8
Thread 3:
0 libsystem_kernel.dylib 0x00000001941a0f80 poll + 8
1 libcoreclr.dylib 0x000000010300595c ds_ipc_poll(_DiagnosticsIpcPollHandle*, unsigned long, unsigned int, void ()(char const, unsigned int)) + 184
2 libcoreclr.dylib 0x00000001030bc7ac ds_ipc_stream_factory_get_next_available_stream(void ()(char const, unsigned int)) + 908
3 libcoreclr.dylib 0x00000001030ba79c server_thread(void*) + 324
4 libcoreclr.dylib 0x0000000102cfc6dc CorUnix::CPalThread::ThreadEntry(void*) + 380
5 libsystem_pthread.dylib 0x00000001941d3878 _pthread_start + 320
6 libsystem_pthread.dylib 0x00000001941ce5e0 thread_start + 8
Thread 4:
0 libsystem_kernel.dylib 0x00000001941999bc read + 8
1 libcoreclr.dylib 0x0000000103006858 TwoWayPipe::Read(void*, unsigned int) + 44
2 libcoreclr.dylib 0x0000000103000b28 DbgTransportSession::TransportWorker() + 1660
3 libcoreclr.dylib 0x0000000102fff684 DbgTransportSession::TransportWorkerStatic(void*) + 12
4 libcoreclr.dylib 0x0000000102cfc6dc CorUnix::CPalThread::ThreadEntry(void*) + 380
5 libsystem_pthread.dylib 0x00000001941d3878 _pthread_start + 320
6 libsystem_pthread.dylib 0x00000001941ce5e0 thread_start + 8
Thread 5:
0 libsystem_kernel.dylib 0x000000019419c548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x00000001941d3dac _pthread_cond_wait + 1248
2 libcoreclr.dylib 0x0000000102cf1788 CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 308
3 libcoreclr.dylib 0x0000000102cf13f8 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 356
4 libcoreclr.dylib 0x0000000102cf550c CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int, int) + 1656
5 libcoreclr.dylib 0x0000000102ffde9c DebuggerRCThread::MainLoop() + 208
6 libcoreclr.dylib 0x0000000102ffdd68 DebuggerRCThread::ThreadProc() + 232
7 libcoreclr.dylib 0x0000000102ffdb40 DebuggerRCThread::ThreadProcStatic(void*) + 32
8 libcoreclr.dylib 0x0000000102cfc6dc CorUnix::CPalThread::ThreadEntry(void*) + 380
9 libsystem_pthread.dylib 0x00000001941d3878 _pthread_start + 320
10 libsystem_pthread.dylib 0x00000001941ce5e0 thread_start + 8
Thread 6:
0 libsystem_kernel.dylib 0x000000019419c548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x00000001941d3dac _pthread_cond_wait + 1248
2 libcoreclr.dylib 0x0000000102cf1788 CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 308
3 libcoreclr.dylib 0x0000000102cf13f8 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 356
4 libcoreclr.dylib 0x0000000102cf550c CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int, int) + 1656
5 libcoreclr.dylib 0x0000000102cf4e84 WaitForSingleObject + 76
6 libcoreclr.dylib 0x0000000102ffef34 HelperCanary::ThreadProc() + 44
7 libcoreclr.dylib 0x0000000102ffeed0 HelperCanary::ThreadProc(void*) + 64
8 libcoreclr.dylib 0x0000000102cfc6dc CorUnix::CPalThread::ThreadEntry(void*) + 380
9 libsystem_pthread.dylib 0x00000001941d3878 _pthread_start + 320
10 libsystem_pthread.dylib 0x00000001941ce5e0 thread_start + 8
Thread 7:
0 libsystem_kernel.dylib 0x000000019419c548 __psynch_cvwait + 8
1 libsystem_pthread.dylib 0x00000001941d3dac _pthread_cond_wait + 1248
2 libcoreclr.dylib 0x0000000102cf176c CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData*, unsigned int, CorUnix::ThreadWakeupReason*, unsigned int*) + 280
3 libcoreclr.dylib 0x0000000102cf13f8 CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread*, unsigned int, bool, bool, CorUnix::ThreadWakeupReason*, unsigned int*) + 356
4 libcoreclr.dylib 0x0000000102cf550c CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread*, unsigned int, void* const*, int, unsigned int, int, int) + 1656
5 libcoreclr.dylib 0x0000000102cf56ec WaitForSingleObjectEx + 80
6 libcoreclr.dylib 0x0000000102ee0128 CLREventBase::WaitEx(unsigned int, WaitMode, PendingSync*) + 192
7 libcoreclr.dylib 0x0000000102e54f00 FinalizerThread::WaitForFinalizerEvent(CLREvent*) + 48
8 libcoreclr.dylib 0x0000000102e55118 FinalizerThread::FinalizerThreadWorker(void*) + 252
9 libcoreclr.dylib 0x0000000102de2208 ManagedThreadBase_DispatchOuter(ManagedThreadCallState*) + 260
10 libcoreclr.dylib 0x0000000102de27d0 ManagedThreadBase::FinalizerBase(void ()(void)) + 36
11 libcoreclr.dylib 0x0000000102e55250 FinalizerThread::FinalizerThreadStart(void*) + 88
12 libcoreclr.dylib 0x0000000102cfc6dc CorUnix::CPalThread::ThreadEntry(void*) + 380
13 libsystem_pthread.dylib 0x00000001941d3878 _pthread_start + 320
14 libsystem_pthread.dylib 0x00000001941ce5e0 thread_start + 8
Thread 0 crashed with ARM Thread State (64-bit):
x0: 0x2010000030300000 x1: 0x0000000fffffc110 x2: 0x000000012f02a4a0 x3: 0x0000000000000002
x4: 0x0000000000000000 x5: 0x0000000102d4dc54 x6: 0x0000000000000000 x7: 0x0000000000000001
x8: 0x00000000d43e0000 x9: 0x0000000000000000 x10: 0x2010000030300000 x11: 0x0000000000000000
x12: 0x00000000ffffffff x13: 0x00000000ffffffff x14: 0x000000000000002d x15: 0x0000000000000008
x16: 0x00000001941d44ec x17: 0x000000012e721320 x18: 0x0000000000000000 x19: 0x000000028034bf70
x20: 0x0000000000000001 x21: 0x00000000060009ea x22: 0x0000000000000000 x23: 0x000000012e734b40
x24: 0x0000000000000000 x25: 0x0000000000000000 x26: 0x000000011e6045d0 x27: 0x00000002800e0000
x28: 0x000000012f02a4a0 fp: 0x000000016d576420 lr: 0x786e800102fd5398
sp: 0x000000016d576410 pc: 0x0000000102fd539c cpsr: 0x60000000
far: 0x000000028034bf70 esr: 0x9200004f
Binary Images:
0x102888000 - 0x102893fff +dotnet (0) /usr/local/share/dotnet/dotnet
0x1028f0000 - 0x102933fff +libhostfxr.dylib (0) /usr/local/share/dotnet/host/fxr/7.0.0-preview.2.22103.2/libhostfxr.dylib
0x10295c000 - 0x102997fff +libhostpolicy.dylib (0) /usr/local/share/dotnet/shared/Microsoft.NETCore.App/7.0.0-preview.2.22103.2/libhostpolicy.dylib
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0x19dcb1000 - 0x19dda6fff libiconv.2.dylib (59) <4BF0362D-E9AF-3794-9E7E-40F07D845229> /usr/lib/libiconv.2.dylib
0x19dda7000 - 0x19ddb9fff libcmph.dylib (8) <826E544C-8026-3F4A-BA90-41C2372608AE> /usr/lib/libcmph.dylib
0x19ddba000 - 0x19de2afff libarchive.2.dylib (83.100.2) <7CC6F0E0-7E0D-30DD-9F66-282E90F54C32> /usr/lib/libarchive.2.dylib
0x19de2b000 - 0x19de9bfff com.apple.SearchKit (1.4.1 - 1.4.1) <639851B8-C3A5-31F5-BE46-D5F0E87C3109> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
0x19de9c000 - 0x19de9dfff libThaiTokenizer.dylib (3) /usr/lib/libThaiTokenizer.dylib
0x19de9e000 - 0x19dec2fff com.apple.applesauce (1.0 - 16.28) <928E86D6-05A4-3C4E-9733-48F0D936B10A> /System/Library/PrivateFrameworks/AppleSauce.framework/Versions/A/AppleSauce
0x19dec3000 - 0x19ded9fff libapple_nghttp2.dylib (1.41) <18AA1475-8D4D-3DEA-A8AD-C6A0FC6B92AA> /usr/lib/libapple_nghttp2.dylib
0x19deda000 - 0x19deecfff libSparseBLAS.dylib (1336.140.1) <31D093A9-02BC-3365-9171-6BEDEF6AE67D> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libSparseBLAS.dylib
0x19deed000 - 0x19deeefff com.apple.MetalPerformanceShaders.MetalPerformanceShaders (1.0 - 1) <23F6F104-EE6C-3BE9-A1D4-EDECF349F3D7> /System/Library/Frameworks/MetalPerformanceShaders.framework/Versions/A/MetalPerformanceShaders
0x19deef000 - 0x19def3fff libpam.2.dylib (28.40.1) /usr/lib/libpam.2.dylib
0x19def4000 - 0x19df12fff libcompression.dylib (96.120.1) /usr/lib/libcompression.dylib
0x19df13000 - 0x19df17fff libQuadrature.dylib (7) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libQuadrature.dylib
0x19df18000 - 0x19e3d4fff libLAPACK.dylib (1336.140.1) <90E16293-8B02-3B28-A7C2-B6FAD0EFF8B1> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libLAPACK.dylib
0x19e3d5000 - 0x19e427fff com.apple.DictionaryServices (1.2 - 341) <9B09DFAC-4B3A-3047-9BF5-B324C1BB5930> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/DictionaryServices.framework/Versions/A/DictionaryServices
0x19e428000 - 0x19e440fff liblzma.5.dylib (16) /usr/lib/liblzma.5.dylib
0x19e441000 - 0x19e442fff libcoretls_cfhelpers.dylib (169.100.1) <212C432C-7BBE-32BA-8104-E20AA4EB8053> /usr/lib/libcoretls_cfhelpers.dylib
0x19e443000 - 0x19e527fff com.apple.APFS (1677.141.1 - 1677.141.1) <7DAB2F49-0C29-35B7-9A3B-E5CE948C7C18> /System/Library/PrivateFrameworks/APFS.framework/Versions/A/APFS
0x19e528000 - 0x19e535fff libxar.1.dylib (452) /usr/lib/libxar.1.dylib
0x19e536000 - 0x19e539fff libutil.dylib (58.40.2) <060B245B-5DDF-38B9-87F5-AD158328EF6C> /usr/lib/libutil.dylib
0x19e53a000 - 0x19e563fff libxslt.1.dylib (17.6) <71A3CDF8-9C33-3C16-9F0B-95BAE843E5C6> /usr/lib/libxslt.1.dylib
0x19e564000 - 0x19e56efff libChineseTokenizer.dylib (37.1) <1C21D68B-E453-305A-B85B-BC082FC6BECD> /usr/lib/libChineseTokenizer.dylib
0x19e56f000 - 0x19e5defff libvMisc.dylib (760.100.3) /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libvMisc.dylib
0x1a1091000 - 0x1a1091fff liblaunch.dylib (2038.120.1) <86FD9379-882E-3603-9AC1-1B550DB2877D> /usr/lib/system/liblaunch.dylib
0x1a3545000 - 0x1a3545fff libsystem_product_info_filter.dylib (8.40.1) <737F7B93-4291-31F6-AB14-7C6EFB368E4F> /usr/lib/system/libsystem_product_info_filter.dylib
0x1a3618000 - 0x1a3618fff com.apple.Accelerate.vecLib (3.11 - vecLib 3.11) <947CDAD5-05F9-3A69-9CB5-C40B3D1AE694> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/vecLib
0x1a363a000 - 0x1a363afff com.apple.CoreServices (1122.41 - 1122.41) /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
0x1a37f7000 - 0x1a37f7fff com.apple.Accelerate (1.11 - Accelerate 1.11) <735D582E-3502-3F6A-B0E0-3D7B963D0BF9> /System/Library/Frameworks/Accelerate.framework/Versions/A/Accelerate
0x1d6286000 - 0x1d628cfff libCoreFSCache.dylib (200.10) /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreFSCache.dylib
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 1
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: 3
thread_create: 0
thread_set_state: 0
VM Region Summary:
ReadOnly portion of Libraries: Total=575.6M resident=0K(0%) swapped_out_or_unallocated=575.6M(100%)
Writable regions: Total=305.9M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=305.9M(100%)
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Kernel Alloc Once 32K 1
MALLOC 52.1M 16
MALLOC guard page 96K 5
MALLOC_MEDIUM (reserved) 240.0M 2 reserved VM address space (unallocated)
STACK GUARD 56.1M 8
Stack 11.7M 8
VM_ALLOCATE 2.5G 29
VM_ALLOCATE (reserved) 64K 1 reserved VM address space (unallocated)
__AUTH 250K 50
__AUTH_CONST 3402K 135
__DATA 1515K 133
__DATA_CONST 4232K 138
__DATA_DIRTY 312K 61
__LINKEDIT 492.4M 8
__OBJC_CONST 421K 39
__OBJC_RO 75.1M 1
__OBJC_RW 2576K 1
__TEXT 83.3M 148
__UNICODE 588K 1
mapped file 13.9M 4
shared memory 16K 1
=========== ======= =======
TOTAL 3.5G 790
TOTAL, minus reserved VM space 3.3G 790
Model: Macmini9,1, BootROM 6723.140.2, proc 8:4:4 processors, 8 GB, SMC
Graphics: kHW_AppleM1Item, Apple M1, spdisplays_builtin
Memory Module: LPDDR4
AirPort: spairport_wireless_card_type_airport_extreme, wl0: Jul 7 2021 00:48:27 version 18.50.40.10.7.8.121 FWID 01-f5ad2691
Bluetooth: Version 8.0.5d7, 3 services, 25 devices, 1 incoming serial ports
Network Service: Ethernet, Ethernet, en0
Network Service: Wi-Fi, AirPort, en1
USB Device: USB 3.1 Bus
USB Device: USB 3.1 Bus
USB Device: USB 3.0 Bus
USB Device: USB Receiver
Thunderbolt Bus: Mac mini, Apple Inc.
Thunderbolt Bus: Mac mini, Apple Inc.
Related: microsoft/vscode#142822
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