Crash Bevel Modifier with Vertex Group #57850

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Catalin · 2018-11-15T12:49:40+01:00

Catalin commented

2018-11-15 12:49:40 +01:00

System Information
Windows 10, GeForce GTX 1060 6GB/PCIe/SSE2

Blender Version
Broken: (Blender 2.80 (sub 30), hash: c94f806dc7 )

Short description of error
When trying a Bevel Modifier with Face Area ( Normal Mode ) , Blender Crashes

Exact steps for others to reproduce the error

Create an L shape from edges .
Select Middle Vertice and create a vertex group with 1.00 Weight
Put a Skin Modifier - Default Values
Put a Bevel Modifier - on the Vertex Group
Select Face Area in the Bevel Modifier
Blender Crashes

BugTest.blend

I've atached the Blend File, just go to modifiers and press Face Area and see the crash .

**System Information** Windows 10, GeForce GTX 1060 6GB/PCIe/SSE2 **Blender Version** Broken: (Blender 2.80 (sub 30), hash: c94f806dc73 ) **Short description of error** When trying a Bevel Modifier with Face Area ( Normal Mode ) , Blender Crashes **Exact steps for others to reproduce the error** 1. Create an L shape from edges . 2. Select Middle Vertice and create a vertex group with 1.00 Weight 3. Put a Skin Modifier - Default Values 4. Put a Bevel Modifier - on the Vertex Group 5. Select Face Area in the Bevel Modifier Blender Crashes [BugTest.blend](https://archive.blender.org/developer/F5568300/BugTest.blend) I've atached the Blend File, just go to modifiers and press Face Area and see the crash .

Catalin commented

2018-11-15 12:49:40 +01:00

Added subscriber: @giakaama

Philipp Oeser commented

2018-11-15 15:04:23 +01:00

Added subscribers: @howardt, @lichtwerk

Howard Trickey was assigned by Philipp Oeser

2018-11-15 15:04:23 +01:00

Philipp Oeser commented

2018-11-15 15:04:23 +01:00

Can confirm the crash.

Looks like this might just be a typo?
BMLoop *l is used here (and NULL) [and it looks like l was meant for another loop.... but I could be totally wrong here]

1   bevel_mod_harden_normals                                                                                                                                                                                  MOD_bevel.c       201  0x24ddeea 
2   applyModifier                                                                                                                                                                                             MOD_bevel.c       445  0x24e40cd 
3   modwrap_applyModifier                                                                                                                                                                                     modifier.c        839  0x2ac99d1 
4   mesh_calc_modifiers                                                                                                                                                                                       DerivedMesh.c     1446 0x2974458 
5   mesh_build_data                                                                                                                                                                                           DerivedMesh.c     2002 0x29766a7 
6   makeDerivedMesh                                                                                                                                                                                           DerivedMesh.c     2109 0x2976af6 
7   BKE_object_handle_data_update                                                                                                                                                                             object_update.c   213  0x2b06150 
8   BKE_object_eval_uber_data                                                                                                                                                                                 object_update.c   342  0x2b06732

maybe like P824?

but leaving to @howardt to decide.... mind having a look?

Can confirm the crash. Looks like this might just be a typo? BMLoop *l is used here (and NULL) [and it looks like l was meant for another loop.... but I could be totally wrong here] ``` 1 bevel_mod_harden_normals MOD_bevel.c 201 0x24ddeea 2 applyModifier MOD_bevel.c 445 0x24e40cd 3 modwrap_applyModifier modifier.c 839 0x2ac99d1 4 mesh_calc_modifiers DerivedMesh.c 1446 0x2974458 5 mesh_build_data DerivedMesh.c 2002 0x29766a7 6 makeDerivedMesh DerivedMesh.c 2109 0x2976af6 7 BKE_object_handle_data_update object_update.c 213 0x2b06150 8 BKE_object_eval_uber_data object_update.c 342 0x2b06732 ``` maybe like [P824](https://archive.blender.org/developer/P824.txt)? but leaving to @howardt to decide.... mind having a look?

Howard Trickey commented

2018-11-16 14:51:20 +01:00

I too confirm the crash and will work on fixing it.