Crash - select + drag on empty space #69785

New Issue

Marcin Twarowski · 2019-09-12T10:48:43+02:00

Marcin Twarowski commented

2019-09-12 10:48:43 +02:00

System Information
Operating system: Windows-10-10.0.16299 64 Bits
Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86

Blender Version
Broken: version: 2.81 (sub 10), branch: master, commit date: 2019-09-11 21:31, hash: 1e375ab5a1

Short description of error
Blender crashes when you try to select and drag on empty space in edit mode.

Exact steps for others to reproduce the error

Switch to right click select in Preferences > Keymap.
Switch to edit mode.
Press (hold) right mouse button somewhere on the empty space of viewport and drag the mouse.
Attached .blend file:
select_drag_empty_crash.blend
Open it. Press and drag right mouse button on the empty space.

**System Information** Operating system: Windows-10-10.0.16299 64 Bits Graphics card: GeForce GTX 1080/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 431.86 **Blender Version** Broken: version: 2.81 (sub 10), branch: master, commit date: 2019-09-11 21:31, hash: `1e375ab5a1` **Short description of error** Blender crashes when you try to select and drag on empty space in edit mode. **Exact steps for others to reproduce the error** - Switch to right click select in Preferences > Keymap. - Switch to edit mode. - Press (hold) right mouse button somewhere on the empty space of viewport and drag the mouse. Attached .blend file: [select_drag_empty_crash.blend](https://archive.blender.org/developer/F7738737/select_drag_empty_crash.blend) Open it. Press and drag right mouse button on the empty space.

Marcin Twarowski commented

2019-09-12 10:48:43 +02:00

Added subscriber: @MarcinTwarowski

blender-admin commented

2019-09-12 10:48:43 +02:00

#69795 was marked as duplicate of this issue

Philipp Oeser commented

2019-09-12 10:58:42 +02:00

Added subscribers: @mano-wii, @ideasman42, @lichtwerk

Philipp Oeser commented

2019-09-12 10:58:42 +02:00

Can confirm. Probably caused by 3bd4f229be
CC @ideasman42
CC @mano-wii

1  free                                                                    0x7ffff7cf86da 
2  MEM_lockfree_freeN                        mallocn_lockfree_impl.c  157  0x2f2c890      
3  createTransEditVerts                      transform_convert_mesh.c 909  0x3c3c0dc      
4  createTransData                           transform_convert.c      2575 0x3c246b4      
5  initTransform                             transform.c              2415 0x3bf6619      
6  transformops_data                         transform_ops.c          382  0x3c65e84      
7  transform_invoke                          transform_ops.c          498  0x3c661d2      
8  wm_operator_invoke                        wm_event_system.c        1440 0x31689f7      
9  wm_handler_operator_call                  wm_event_system.c        2280 0x316a965      
10 wm_handlers_do_keymap_with_keymap_handler wm_event_system.c        2582 0x316b5cf      
11 wm_handlers_do_intern                     wm_event_system.c        2719 0x316bbeb      
12 wm_handlers_do                            wm_event_system.c        2978 0x316c96d      
13 wm_event_do_handlers                      wm_event_system.c        3431 0x316de40      
14 WM_main                                   wm.c                     417  0x316115a      
15 main                                      creator.c                491  0x2b0e6e6

Can confirm. Probably caused by 3bd4f229be CC @ideasman42 CC @mano-wii ``` 1 free 0x7ffff7cf86da 2 MEM_lockfree_freeN mallocn_lockfree_impl.c 157 0x2f2c890 3 createTransEditVerts transform_convert_mesh.c 909 0x3c3c0dc 4 createTransData transform_convert.c 2575 0x3c246b4 5 initTransform transform.c 2415 0x3bf6619 6 transformops_data transform_ops.c 382 0x3c65e84 7 transform_invoke transform_ops.c 498 0x3c661d2 8 wm_operator_invoke wm_event_system.c 1440 0x31689f7 9 wm_handler_operator_call wm_event_system.c 2280 0x316a965 10 wm_handlers_do_keymap_with_keymap_handler wm_event_system.c 2582 0x316b5cf 11 wm_handlers_do_intern wm_event_system.c 2719 0x316bbeb 12 wm_handlers_do wm_event_system.c 2978 0x316c96d 13 wm_event_do_handlers wm_event_system.c 3431 0x316de40 14 WM_main wm.c 417 0x316115a 15 main creator.c 491 0x2b0e6e6 ```

Brecht Van Lommel commented

2019-09-12 11:32:20 +02:00

Added subscriber: @brecht

Brecht Van Lommel commented

2019-09-12 11:32:20 +02:00

This is the problem:

/home/brecht/dev/worktree/source/blender/editors/transform/transform_convert_mesh.c: In function ‘createTransEditVerts’:
/home/brecht/dev/worktree/source/blender/editors/transform/transform_convert_mesh.c:909:7: warning: ‘mirror_bitmap’ may be used uninitialized in this function [-Wmaybe-uninitialized]
       MEM_freeN(mirror_bitmap);
       ^~~~~~~~~~~~~~~~~~~~~~~~

This is the problem: ``` /home/brecht/dev/worktree/source/blender/editors/transform/transform_convert_mesh.c: In function ‘createTransEditVerts’: /home/brecht/dev/worktree/source/blender/editors/transform/transform_convert_mesh.c:909:7: warning: ‘mirror_bitmap’ may be used uninitialized in this function [-Wmaybe-uninitialized] MEM_freeN(mirror_bitmap); ^~~~~~~~~~~~~~~~~~~~~~~~ ```

blender-admin commented

2019-09-12 11:34:27 +02:00

This issue was referenced by 492a7998d5

This issue was referenced by 492a7998d50840e2664c019e57bbf5ce99c6560e

Brecht Van Lommel commented

2019-09-12 11:35:14 +02:00

Changed status from 'Open' to: 'Resolved'

Brecht Van Lommel closed this issue

2019-09-12 11:35:14 +02:00

Brecht Van Lommel self-assigned this 2019-09-12 11:35:14 +02:00

Brecht Van Lommel commented

2019-09-12 16:50:59 +02:00

Added subscriber: @toki46-3

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Crash - select + drag on empty space #69785