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GPencil: Interpolate Sequence crash and quit.
Closed, ResolvedPublicBUG


System Information
Operating system: Linux & Windows10
Graphics card: any

Blender Version
Broken: 2.93.4 & 3.0 Alpha
Worked: 2.83.5

I am a teacher, teach my 140 students Blender Grease Pencil animation.
Some of students ( quantity is 10 ) found this bug:
After draw stroke, in Edit Mode,
make some point Radius bigger, move some points,

I don't know which step cause this error, in 2.93.4 & 3.0 Alpha Blender crash and quit.
But the same blend files, in 2.83.5 run draw--Interpolate--Sequence, is OK.

Steps to Reproduce

  • Open .blend file
  • Draw -> Interpolate Sequence

Test File:

Event Timeline

Pratik Borhade (PratikPB2123) changed the task status from Needs Triage to Confirmed.Sep 21 2021, 12:30 PM
Pratik Borhade (PratikPB2123) updated the task description. (Show Details)

Can reproduce the crash on master. Thanks for the report :)

blender.exe         :0x00007FF67E0BBD10  mul_v3_m4v3
blender.exe         :0x00007FF679D18FD0  gpencil_point_to_parent_space
blender.exe         :0x00007FF679D4A0F0  gpencil_stroke_need_flip
blender.exe         :0x00007FF679D48B90  gpencil_interpolate_seq_exec
blender.exe         :0x00007FF679778130  wm_operator_invoke
blender.exe         :0x00007FF679777850  wm_operator_call_internal
blender.exe         :0x00007FF6797712D0  WM_operator_name_call_ptr
blender.exe         :0x00007FF679EDBD10  ui_apply_but_funcs_after
blender.exe         :0x00007FF679EE6000  ui_handler_region_menu
blender.exe         :0x00007FF679776DE0  wm_handlers_do_intern
blender.exe         :0x00007FF679776450  wm_handlers_do
blender.exe         :0x00007FF679773850  wm_event_do_handlers
blender.exe         :0x00007FF67975E6A0  WM_main
blender.exe         :0x00007FF679421C90  main
blender.exe         :0x00007FF67E202788  __scrt_common_main_seh
KERNEL32.DLL        :0x00007FFD593E7020  BaseThreadInitThunk
ntdll.dll           :0x00007FFD595E2630  RtlUserThreadStart
Antonio Vazquez (antoniov) changed the subtype of this task from "Report" to "Bug".
Antonio Vazquez (antoniov) renamed this task from Grease Pencil Interpolate Sequence crash and quit. to GPencil: Interpolate Sequence crash and quit..Sep 21 2021, 5:30 PM