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Sculpt: Remesh operator crashes with Subdivision Modifier #119292

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opened 2024-03-10 20:36:18 +01:00 by Bryan-Hughes · 4 comments
Bryan-Hughes commented 2024-03-10 20:36:18 +01:00
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System Information
Operating system: Windows 11 Pro, version 22631.3235
Graphics card: Nvidia RTX 3080

Blender Version
Broken: 3.6.16 LTS, 4.23 LTS, 4.3, main
Worked: never? I haven't seen this work before, but I haven't been using Blender long, so it's not clear to me if this is a regression or not.

Short description of error
Whenever I try to remesh the only object in the attached blender file, Blender crashes. This isn't due to lack of system resources, as I'm running on an RTX 3080, Ryzen 5600X, 128gb RAM, and memory usage for Blender tops out well below my available RAM (see attached screenshot of system usage).

Exact steps for others to reproduce the error
Open the attached blender file. Switch to sculpt mode, and remesh with a voxel size of 0.01m.

All drivers, Blender, and Windows are up to date as of yesterday.

**System Information** Operating system: Windows 11 Pro, version 22631.3235 Graphics card: Nvidia RTX 3080 **Blender Version** Broken: 3.6.16 LTS, 4.23 LTS, 4.3, main Worked: never? I haven't seen this work before, but I haven't been using Blender long, so it's not clear to me if this is a regression or not. **Short description of error** Whenever I try to remesh the only object in the attached blender file, Blender crashes. This isn't due to lack of system resources, as I'm running on an RTX 3080, Ryzen 5600X, 128gb RAM, and memory usage for Blender tops out well below my available RAM (see attached screenshot of system usage). **Exact steps for others to reproduce the error** Open the attached blender file. Switch to sculpt mode, and remesh with a voxel size of 0.01m. All drivers, Blender, and Windows are up to date as of yesterday.
system-info.txt
21 KiB
blender.crash.txt
35 KiB
crash_repro.blend
3.8 MiB
Screenshot 2024-03-10 123033.png
148 KiB
Screenshot 2024-03-10 123033.png
Bryan-Hughes added the
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 labels 2024-03-10 20:36:19 +01:00
Iliya Katushenock added
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Bryan-Hughes commented 2024-03-14 23:37:00 +01:00
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Quick followup. I tested this on a Mac laptop with an M2 processor, and this operation also crashes (without taking up all RAM). I couldn't find a .crash file in ~/Library/Logs/DiagnosticReports/, although there is a Blender .ips file.

Attached is the system info for this laptop.

Quick followup. I tested this on a Mac laptop with an M2 processor, and this operation also crashes (without taking up all RAM). I couldn't find a `.crash` file in `~/Library/Logs/DiagnosticReports/`, although there is a Blender `.ips` file. Attached is the system info for this laptop.
system-info.txt
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Bryan-Hughes commented 2024-03-17 19:57:29 +01:00
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I figured out what I was doing. I had set a subdivision to the model, but forgot to apply the subdivision to it before remeshing. Not sure if this should still be considered a bug, since it did still crash even though it was due to my mistake.

I figured out what I was doing. I had set a subdivision to the model, but forgot to apply the subdivision to it before remeshing. Not sure if this should still be considered a bug, since it did still crash even though it was due to my mistake.
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 labels 2024-08-14 13:03:29 +02:00
Sean Kim commented 2024-11-04 22:44:16 +01:00
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ASAN Report 
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:411:39 in 
/Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:228:19: runtime error: signed integer overflow: 2147483584 + 1984 cannot be represented in type 'int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:228:19 in 
/Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:172:29: runtime error: signed integer overflow: 2147482432 + 1984 cannot be represented in type 'int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:172:29 in 
/Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:194:49: runtime error: signed integer overflow: 1821134848 * 4 cannot be represented in type 'int'
SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:194:49 in 
Malloc array aborted due to integer overflow: len=18446744072404156416x4 in subdiv_mesh_topology_info, total 31193649436
<details> <summary>ASAN Report</summary> ``` SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:411:39 in /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:228:19: runtime error: signed integer overflow: 2147483584 + 1984 cannot be represented in type 'int' SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:228:19 in /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:172:29: runtime error: signed integer overflow: 2147482432 + 1984 cannot be represented in type 'int' SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:172:29 in /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:194:49: runtime error: signed integer overflow: 1821134848 * 4 cannot be represented in type 'int' SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /Users/seankim/Projects/blender-git/blender/source/blender/blenkernel/intern/subdiv_foreach.cc:194:49 in Malloc array aborted due to integer overflow: len=18446744072404156416x4 in subdiv_mesh_topology_info, total 31193649436 ``` </details>
Sean Kim changed title from Blender 4.0.2 crashes with "EXCEPTION_ACCESS_VIOLATION" when trying to remesh to Sculpt: Remesh operator crashes with Subdivision Modifier 2024-11-04 22:52:09 +01:00
Sean Kim commented 2024-11-04 23:07:40 +01:00
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This is actually the same issue as #86072, closing as a duplicate

This is actually the same issue as #86072, closing as a duplicate
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Reference: blender/blender#119292
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