Crash with certain file. Sculpt mode. Vertex color fill + edge. #86940

New Issue

Vyacheslav Kobozev · 2021-03-25T14:06:03+01:00

2021-03-25 14:06:03 +01:00

System Information
Operating system: Windows-8.1-6.3.9600-SP0 64 Bits
Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.40

Blender Version
Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-03-24 17:47, hash: 9ac7946dd0

Short description of error
When I try to apply vertex color Fill (Sculpt mode) on edge in this particular file, I get crash
And all fine for shapes/triangle.

VC + edge crush.blend

debug_logs.7z

**System Information** Operating system: Windows-8.1-6.3.9600-SP0 64 Bits Graphics card: GeForce GTX 660 Ti/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 461.40 **Blender Version** Broken: version: 2.93.0 Alpha, branch: master, commit date: 2021-03-24 17:47, hash: `9ac7946dd0` **Short description of error** When I try to apply vertex color Fill (Sculpt mode) on edge in this particular file, I get crash And all fine for shapes/triangle. [VC + edge crush.blend](https://archive.blender.org/developer/F9909241/VC___edge_crush.blend) [debug_logs.7z](https://archive.blender.org/developer/F9909245/debug_logs.7z)

Vyacheslav Kobozev commented

2021-03-25 14:06:03 +01:00

Added subscriber: @Vyach

Philipp Oeser commented

2021-03-29 13:14:32 +02:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2021-03-29 13:14:32 +02:00

Changed status from 'Needs Triage' to: 'Confirmed'

Philipp Oeser self-assigned this 2021-03-29 13:14:32 +02:00

Philipp Oeser commented

2021-03-29 13:14:32 +02:00

Can confirm, non-existent SculptSession->face_sets is accessed.
Think simple NULL check is fine here, will check.

1  SCULPT_active_face_set_get                sculpt.c              335  0x47e3740 
2  SCULPT_automasking_cache_settings_update  sculpt_automasking.c  333  0x480e615 
3  SCULPT_automasking_cache_init             sculpt_automasking.c  346  0x480e6ad 
4  sculpt_color_filter_invoke                sculpt_filter_color.c 309  0x482f73d 
5  wm_operator_invoke                        wm_event_system.c     1350 0x3a2b7bd 
6  wm_handler_operator_call                  wm_event_system.c     2178 0x3a2d6e9 
7  wm_handlers_do_keymap_with_keymap_handler wm_event_system.c     2503 0x3a2e41d 
8  wm_handlers_do_intern                     wm_event_system.c     2799 0x3a2f397 
9  wm_handlers_do                            wm_event_system.c     2931 0x3a2f91a 
10 wm_event_do_handlers                      wm_event_system.c     3421 0x3a30e4b 
11 WM_main                                   wm.c                  646  0x3a24a00 
12 main                                      creator.c             520  0x344d6b2

Can confirm, non-existent `SculptSession->face_sets` is accessed. Think simple NULL check is fine here, will check. ``` 1 SCULPT_active_face_set_get sculpt.c 335 0x47e3740 2 SCULPT_automasking_cache_settings_update sculpt_automasking.c 333 0x480e615 3 SCULPT_automasking_cache_init sculpt_automasking.c 346 0x480e6ad 4 sculpt_color_filter_invoke sculpt_filter_color.c 309 0x482f73d 5 wm_operator_invoke wm_event_system.c 1350 0x3a2b7bd 6 wm_handler_operator_call wm_event_system.c 2178 0x3a2d6e9 7 wm_handlers_do_keymap_with_keymap_handler wm_event_system.c 2503 0x3a2e41d 8 wm_handlers_do_intern wm_event_system.c 2799 0x3a2f397 9 wm_handlers_do wm_event_system.c 2931 0x3a2f91a 10 wm_event_do_handlers wm_event_system.c 3421 0x3a30e4b 11 WM_main wm.c 646 0x3a24a00 12 main creator.c 520 0x344d6b2 ```

Philipp Oeser removed their assignment 2022-01-18 21:04:31 +01:00

Philipp Oeser commented

2022-01-18 21:04:31 +01:00

Will have to concentrate on triaging for a while (and step down).

Philipp Oeser removed the

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Crash with certain file. Sculpt mode. Vertex color fill + edge. #86940