Crash while switching to edit mode with EEVEE + Geometry Nodes #94208

New Issue

Dave F · 2021-12-17T22:56:20+01:00

Dave F commented

2021-12-17 22:56:20 +01:00

System Information
Operating system: macOS-10.15.7-x86_64-i386-64bit 64 Bits
Graphics card: NVIDIA GeForce GT 650M OpenGL Engine NVIDIA Corporation 4.1 NVIDIA-14.0.32 355.11.11.10.10.143

Blender Version
Broken: version: 3.0.0, branch: master, commit date: 2021-12-02 18:35, hash: f1cca30557

Short description of error
When switching to edit mode in while the viewport's set to render it crashes (see attached video)
blender crash 2021-12-17 21-54-00.mp4

Exact steps for others to reproduce the error
1 load the attached file
2 switch to rendered view in the viewport
3 switch to edit vertex mode
4 that's a crash!

transitions_001_blender3.blend

**System Information** Operating system: macOS-10.15.7-x86_64-i386-64bit 64 Bits Graphics card: NVIDIA GeForce GT 650M OpenGL Engine NVIDIA Corporation 4.1 NVIDIA-14.0.32 355.11.11.10.10.143 **Blender Version** Broken: version: 3.0.0, branch: master, commit date: 2021-12-02 18:35, hash: `f1cca30557` **Short description of error** When switching to edit mode in while the viewport's set to render it crashes (see attached video) [blender crash 2021-12-17 21-54-00.mp4](https://archive.blender.org/developer/F12758792/blender_crash_2021-12-17_21-54-00.mp4) **Exact steps for others to reproduce the error** 1 load the attached file 2 switch to rendered view in the viewport 3 switch to edit vertex mode 4 that's a crash! [transitions_001_blender3.blend](https://archive.blender.org/developer/F12758791/transitions_001_blender3.blend)

Dave F commented

2021-12-17 22:56:20 +01:00

Added subscriber: @df-1

Pratik Borhade commented

2021-12-19 13:50:11 +01:00

Added subscriber: @PratikPB2123

Pratik Borhade commented

2021-12-19 14:14:46 +01:00

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

Pratik Borhade commented

2021-12-19 14:14:46 +01:00

Hi, thanks for the report. Can confirm the crash on master branch.

char array pointer (layer_name) isn't pointing to any relevant address here (null pointer). So attempting to access data from the memory location stored in layer_name gives crash.

stacktrace:

	blender.exe!GPU_vertformat_safe_attr_name(const char * attr_name, char * r_safe_name, unsigned int UNUSED_max_len) Line 266	C++
>	blender.exe!blender::draw::init_vbo_for_attribute(const MeshRenderData * mr, GPUVertBuf * vbo, const DRW_AttributeRequest & request) Line 170	C++

 	blender.exe!blender::draw::extract_attr_init(const MeshRenderData * mr, MeshBatchCache * cache, void * buf, void * UNUSED_tls_data, int index) Line 318	C++
 	blender.exe!blender::draw::extract_attr_init0(const MeshRenderData * mr, MeshBatchCache * cache, void * buf, void * tls_data) Line 358	C++
 	blender.exe!blender::draw::extract_init(const MeshRenderData * mr, MeshBatchCache * cache, blender::draw::ExtractorRunDatas & extractors, MeshBufferList * mbuflist, void * data_stack) Line 222	C++
 	blender.exe!blender::draw::extract_task_range_run(void * taskdata) Line 456	C++
 	blender.exe!TaskNode::run_serial() Line 102	C++
 	blender.exe!TaskNode::run_serial() Line 104	C++
 	blender.exe!BLI_task_graph_node_push_work(TaskNode * task_node) Line 150	C++
 	blender.exe!blender::draw::mesh_buffer_cache_create_requested(TaskGraph * task_graph, MeshBatchCache * cache, MeshBufferCache * mbc, Mesh * me, const bool is_editmode, const bool is_paint_mode, const bool is_mode_active, const float- [x] * obmat, const bool do_final, const bool do_uvedit, const bool use_subsurf_fdots, const Scene * scene, const ToolSettings * ts, const bool use_hide) Line 758	C++
 	blender.exe!mesh_buffer_cache_create_requested(TaskGraph * task_graph, MeshBatchCache * cache, MeshBufferCache * mbc, Mesh * me, const bool is_editmode, const bool is_paint_mode, const bool is_mode_active, const float- [x] * obmat, const bool do_final, const bool do_uvedit, const bool use_subsurf_fdots, const Scene * scene, const ToolSettings * ts, const bool use_hide) Line 819	C++
 	blender.exe!DRW_mesh_batch_cache_create_requested(TaskGraph * task_graph, Object * ob, Mesh * me, const Scene * scene, const bool is_paint_mode, const bool use_hide) Line 2063	C
 	blender.exe!drw_batch_cache_generate_requested(Object * ob) Line 3439	C
 	blender.exe!drw_engines_cache_populate(Object * ob) Line 1094	C
 	blender.exe!DRW_draw_render_loop_ex(Depsgraph * depsgraph, RenderEngineType * engine_type, ARegion * region, View3D * v3d, GPUViewport * viewport, const bContext * evil_C) Line 1697	C
 	blender.exe!DRW_draw_view(const bContext * C) Line 1610	C
 	blender.exe!view3d_draw_view(const bContext * C, ARegion * region) Line 1561	C
 	blender.exe!view3d_main_region_draw(const bContext * C, ARegion * region) Line 1584	C
 	blender.exe!ED_region_do_draw(bContext * C, ARegion * region) Line 563	C
 	blender.exe!wm_draw_window_offscreen(bContext * C, wmWindow * win, bool stereo) Line 732	C
 	blender.exe!wm_draw_window(bContext * C, wmWindow * win) Line 884	C
 	blender.exe!wm_draw_update(bContext * C) Line 1083	C
 	blender.exe!WM_main(bContext * C) Line 646	C
 	blender.exe!main(int argc, const unsigned char * * UNUSED_argv_c) Line 565	C

Hi, thanks for the report. Can confirm the crash on master branch. char array pointer (`layer_name`) isn't pointing to any relevant address here (null pointer). So attempting to access data from the memory location stored in `layer_name` gives crash. stacktrace: ``` lines blender.exe!GPU_vertformat_safe_attr_name(const char * attr_name, char * r_safe_name, unsigned int UNUSED_max_len) Line 266 C++ > blender.exe!blender::draw::init_vbo_for_attribute(const MeshRenderData * mr, GPUVertBuf * vbo, const DRW_AttributeRequest & request) Line 170 C++ blender.exe!blender::draw::extract_attr_init(const MeshRenderData * mr, MeshBatchCache * cache, void * buf, void * UNUSED_tls_data, int index) Line 318 C++ blender.exe!blender::draw::extract_attr_init0(const MeshRenderData * mr, MeshBatchCache * cache, void * buf, void * tls_data) Line 358 C++ blender.exe!blender::draw::extract_init(const MeshRenderData * mr, MeshBatchCache * cache, blender::draw::ExtractorRunDatas & extractors, MeshBufferList * mbuflist, void * data_stack) Line 222 C++ blender.exe!blender::draw::extract_task_range_run(void * taskdata) Line 456 C++ blender.exe!TaskNode::run_serial() Line 102 C++ blender.exe!TaskNode::run_serial() Line 104 C++ blender.exe!BLI_task_graph_node_push_work(TaskNode * task_node) Line 150 C++ blender.exe!blender::draw::mesh_buffer_cache_create_requested(TaskGraph * task_graph, MeshBatchCache * cache, MeshBufferCache * mbc, Mesh * me, const bool is_editmode, const bool is_paint_mode, const bool is_mode_active, const float- [x] * obmat, const bool do_final, const bool do_uvedit, const bool use_subsurf_fdots, const Scene * scene, const ToolSettings * ts, const bool use_hide) Line 758 C++ blender.exe!mesh_buffer_cache_create_requested(TaskGraph * task_graph, MeshBatchCache * cache, MeshBufferCache * mbc, Mesh * me, const bool is_editmode, const bool is_paint_mode, const bool is_mode_active, const float- [x] * obmat, const bool do_final, const bool do_uvedit, const bool use_subsurf_fdots, const Scene * scene, const ToolSettings * ts, const bool use_hide) Line 819 C++ blender.exe!DRW_mesh_batch_cache_create_requested(TaskGraph * task_graph, Object * ob, Mesh * me, const Scene * scene, const bool is_paint_mode, const bool use_hide) Line 2063 C blender.exe!drw_batch_cache_generate_requested(Object * ob) Line 3439 C blender.exe!drw_engines_cache_populate(Object * ob) Line 1094 C blender.exe!DRW_draw_render_loop_ex(Depsgraph * depsgraph, RenderEngineType * engine_type, ARegion * region, View3D * v3d, GPUViewport * viewport, const bContext * evil_C) Line 1697 C blender.exe!DRW_draw_view(const bContext * C) Line 1610 C blender.exe!view3d_draw_view(const bContext * C, ARegion * region) Line 1561 C blender.exe!view3d_main_region_draw(const bContext * C, ARegion * region) Line 1584 C blender.exe!ED_region_do_draw(bContext * C, ARegion * region) Line 563 C blender.exe!wm_draw_window_offscreen(bContext * C, wmWindow * win, bool stereo) Line 732 C blender.exe!wm_draw_window(bContext * C, wmWindow * win) Line 884 C blender.exe!wm_draw_update(bContext * C) Line 1083 C blender.exe!WM_main(bContext * C) Line 646 C blender.exe!main(int argc, const unsigned char * * UNUSED_argv_c) Line 565 C ```

Philipp Oeser removed the

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Crash while switching to edit mode with EEVEE + Geometry Nodes #94208