The testbed 'Geometry/Edge Shapes' test crashed frequently.

Open zero-meta opened this issue 3 years ago • 1 comments

When rapidly pressed '1-5' key to drop stuff, It will crashed.

Here is the screenshot:

Here is the crash report:

Crashed Thread:        0  Dispatch queue: com.apple.main-thread
Exception Type:        EXC_BAD_ACCESS (SIGSEGV)
Exception Codes:       KERN_INVALID_ADDRESS at 0x0000000000000000
Exception Codes:       0x0000000000000001, 0x0000000000000000
Exception Note:        EXC_CORPSE_NOTIFY

Termination Reason:    Namespace SIGNAL, Code 11 Segmentation fault: 11
Terminating Process:   exc handler [85566]

VM Region Info: 0 is not in any region.  Bytes before following region: 4538880000
      REGION TYPE                    START - END         [ VSIZE] PRT/MAX SHRMOD  REGION DETAIL
      UNUSED SPACE AT START
--->  
      __TEXT                      10e89d000-10ea05000    [ 1440K] r-x/r-x SM=COW  ...nts/*/testbed

Thread 0 Crashed::  Dispatch queue: com.apple.main-thread
0   testbed                       	       0x10e914c3c b2TreeNode::IsLeaf() const + 12 (b2_broad_phase.h:40)
1   testbed                       	       0x10e8f574d void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 45 (b2_broad_phase.h:589)
2   testbed                       	       0x10e8f58ed void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 461 (b2_broad_phase.h:619)
3   testbed                       	       0x10e8f5846 void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 294 (b2_broad_phase.h:607)
4   testbed                       	       0x10e8f58ed void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 461 (b2_broad_phase.h:619)
5   testbed                       	       0x10e8f5846 void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 294 (b2_broad_phase.h:607)
6   testbed                       	       0x10e8f5846 void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 294 (b2_broad_phase.h:607)
7   testbed                       	       0x10e8f58ed void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 461 (b2_broad_phase.h:619)
8   testbed                       	       0x10e8f5846 void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 294 (b2_broad_phase.h:607)
9   testbed                       	       0x10e8f5846 void b2BroadPhase::QueryAll<b2ContactManager>(b2ContactManager*, b2TreeNode const*, b2TreeNode**, int) const + 294 (b2_broad_phase.h:607)
10  testbed                       	       0x10e8f475b void b2BroadPhase::UpdateAndQuery<b2ContactManager>(b2ContactManager*) + 1067 (b2_broad_phase.h:324)
11  testbed                       	       0x10e8f431c b2ContactManager::FindNewContacts() + 28 (b2_contact_manager.cpp:119)
12  testbed                       	       0x10e910ff8 b2World::Solve(b2TimeStep const&) + 2360 (b2_world.cpp:666)
13  testbed                       	       0x10e91303e b2World::Step(float, int, int, int) + 478 (b2_world.cpp:1151)
14  testbed                       	       0x10e8b5b45 Test::Step(Settings&) + 501 (test.cpp:362)
15  testbed                       	       0x10e8ceeb3 EdgeShapes::Step(Settings&) + 99 (edge_shapes.cpp:207)
16  testbed                       	       0x10e8a9cca main + 1338 (main.cpp:595)
17  dyld                          	       0x11954052e start + 462

Here is the lldb reports:

* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
    frame #0: 0x000000010008e368 testbed`b2Fixture::RayCast(this=0x0000000130033e31, output=0x00007ff7bfefe260, input=0x00007ff7bfefe3b0) const at b2_fixture.h:385:19
   382   
   383   inline bool b2Fixture::RayCast(b2RayCastOutput* output, const b2RayCastInput& input) const
   384   {
-> 385     return m_shape->RayCast(output, input, m_body->GetTransform());
   386   }
   387   
   388   inline void b2Fixture::GetMassData(b2MassData* massData) const

* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x41)
    frame #0: 0x000000010001828c testbed`b2Fixture::GetBody(this=0x0000000000000031) at b2_fixture.h:310:10
   307   
   308   inline b2Body* b2Fixture::GetBody()
   309   {
-> 310     return m_body;
   311   }
   312   
   313   inline const b2Body* b2Fixture::GetBody() const

I tested it many times, and produced many kinds of errors.

Jan 06 '23 04:01 zero-meta

Thanks for the detailed report! I’ll see if I can reproduce that (on Linux) and try to fix it

Mar 05 '23 09:03 mtsamis