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Blender crashes while in Point normals to target mode on Ctrl+Z or Tab press
Open, Confirmed, MediumPublic

Description

System Information
Operating system: Windows-10-10.0.17134 64 Bits
Graphics card: GeForce GTX 1060 6GB/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 388.13

Blender Version
Broken: version: 2.80 (sub 55), branch: blender2.7, commit date: 2019-04-09 18:12, hash: rB009dbc2bc9fb
Worked: (optional)
Reproduces for older versions of 2.8

Short description of error
Blender crashes while in Point normals to target mode on Ctrl+Z or Tab press

Exact steps for others to reproduce the error

  1. Enable Auto Smooth for a mesh object (Properties/Normals tab)
  2. Go to Edit Mode for this object
  3. Select Mesh/Normals/Point normals to target (or Alt+L)
  4. Press Ctrl+Z on keyboard (or Tab)

Notes:

  • Does not reproduce if Point normals to target was confirmed or canceled (Enter/PadEnter/LMB or Esc/RMB)
  • Reproduces if any action (or combination of actions) was selected between steps 3 and 4 (point to mouse/pivot/object origin, reset normals, etc.)

Details

Type
Bug

Event Timeline

Kate White (eelh) updated the task description. (Show Details)
Sebastian Parborg (zeddb) triaged this task as Confirmed, Medium priority.Apr 10 2019, 3:19 PM

Backtrace:

Thread 1 "blender" received signal SIGSEGV, Segmentation fault.
0x0000555558dc114c in BKE_editmesh_from_object (ob=0x0) at /home/zed/prog/blender/source/blender/blenkernel/intern/editmesh.c:83
83		BLI_assert(ob->type == OB_MESH);
(gdb) bt
#0  0x0000555558dc114c in BKE_editmesh_from_object (ob=0x0) at /home/zed/prog/blender/source/blender/blenkernel/intern/editmesh.c:83
#1  0x0000555558350f7f in edbm_point_normals_modal (C=0x7fffe3858188, op=0x7fffc5884c48, event=0x7fffc5919008)
    at /home/zed/prog/blender/source/blender/editors/mesh/editmesh_tools.c:7301
#2  0x0000555557e5d59b in wm_handler_operator_call (C=0x7fffe3858188, handlers=0x7fffde71c598, handler_base=0x7fffca48d888, event=0x7fffc5919008,
    properties=0x0) at /home/zed/prog/blender/source/blender/windowmanager/intern/wm_event_system.c:2057
#3  0x0000555557e5f15e in wm_handlers_do_intern (C=0x7fffe3858188, event=0x7fffc5919008, handlers=0x7fffde71c598)
    at /home/zed/prog/blender/source/blender/windowmanager/intern/wm_event_system.c:2676
#4  0x0000555557e5f2ed in wm_handlers_do (C=0x7fffe3858188, event=0x7fffc5919008, handlers=0x7fffde71c598)
    at /home/zed/prog/blender/source/blender/windowmanager/intern/wm_event_system.c:2720
#5  0x0000555557e60521 in wm_event_do_handlers (C=0x7fffe3858188) at /home/zed/prog/blender/source/blender/windowmanager/intern/wm_event_system.c:3071
#6  0x0000555557e54d6f in WM_main (C=0x7fffe3858188) at /home/zed/prog/blender/source/blender/windowmanager/intern/wm.c:418
#7  0x0000555557e4f41f in main (argc=1, argv=0x7fffffffe058) at /home/zed/prog/blender/source/creator/creator.c:503