Undoing after using "Import Images as Planes" crashes blender #92341

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Sebastian Parborg · 2021-10-19T11:37:06+02:00

Sebastian Parborg commented

2021-10-19 11:37:06 +02:00

System Information
Operating system: Gentoo Linux
Graphics card: AMD Vega 64

Blender Version
Broken: git master

Short description of error
If you undo loading an image as a mesh plane with the "Import Images as Planes" addon, blender segfaults in the GPU texture free function.

Exact steps for others to reproduce the error

Open Blender and activate the "Import Images as Planes" addon
Import an image: File -> Import -> Images as Planes
Undo
Segfault

Backtrace:

Thread 1 "blender" received signal SIGSEGV, Segmentation fault.
0x0000000017185b5e in GPU_texture_free (tex_=0x61af0030a340) at /home/zed/prog/blender/source/blender/gpu/intern/gpu_texture.cc:523
523	  tex->refcount--;
(gdb) bt
- 0  0x0000000017185b5e in GPU_texture_free(GPUTexture*) (tex_=0x61af0030a340) at /home/zed/prog/blender/source/blender/gpu/intern/gpu_texture.cc:523
- 1  0x000000000386e2c1 in image_free_gpu (ima=0x61b000309e88, immediate=true) at /home/zed/prog/blender/source/blender/blenkernel/intern/image_gpu.c:555
- 2  0x000000000386ec33 in BKE_image_free_gputextures (ima=0x61b000309e88) at /home/zed/prog/blender/source/blender/blenkernel/intern/image_gpu.c:589
- 3  0x0000000003828f3b in BKE_image_free_buffers_ex (ima=0x61b000309e88, do_lock=false)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/image.c:526
- 4  0x00000000038290ac in BKE_image_free_buffers (ima=0x61b000309e88) at /home/zed/prog/blender/source/blender/blenkernel/intern/image.c:539
- 5  0x000000000382500e in image_free_data (id=0x61b000309e88) at /home/zed/prog/blender/source/blender/blenkernel/intern/image.c:177
#6  0x00000000038eec98 in BKE_libblock_free_datablock (id=0x61b000309e88, UNUSED_flag=771)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/lib_id_delete.c:85
#7  0x00000000038ef1b4 in BKE_id_free_ex (bmain=0x61c000018088, idv=0x61b000309e88, flag=771, use_flag_from_idtag=false)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/lib_id_delete.c:161
- 8  0x0000000003941fab in BKE_main_free (mainvar=0x61c000018088) at /home/zed/prog/blender/source/blender/blenkernel/intern/main.c:76
- 9  0x00000000036ac356 in BKE_blender_globals_clear () at /home/zed/prog/blender/source/blender/blenkernel/intern/blender.c:182
#10 0x000000000b15cf30 in setup_app_data (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:283
#11 0x000000000b15e616 in setup_app_blend_file_data (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:433
#12 0x000000000b15ea0d in BKE_blendfile_read_setup_ex
    (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870, startup_update_defaults=false, startup_app_template=0x0)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:471
#13 0x000000000b15ea58 in BKE_blendfile_read_setup (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:480
#14 0x000000000b15aafb in BKE_memfile_undo_decode (mfu=0x6190019d6688, undo_direction=STEP_UNDO, use_old_bmain_data=true, C=0x60e000025dc8)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/blender_undo.c:97
#15 0x000000000a34a309 in memfile_undosys_step_decode
    (C=0x60e000025dc8, bmain=0x61c000018088, us_p=0x60c0002e1f88, undo_direction=STEP_UNDO, UNUSED_is_final=true)
    at /home/zed/prog/blender/source/blender/editors/undo/memfile_undo.c:193
#16 0x000000000b5ee805 in undosys_step_decode
    (C=0x60e000025dc8, bmain=0x61c000018088, ustack=0x6060000bdaa8, us=0x60c0002e1f88, dir=STEP_UNDO, is_final=true)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:215
#17 0x000000000b5f4717 in BKE_undosys_step_load_data_ex
    (ustack=0x6060000bdaa8, C=0x60e000025dc8, us_target=0x60c0002e1f88, us_reference=0x60c0005e1988, use_skip=true)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:827
#18 0x000000000b5f4b0b in BKE_undosys_step_undo_with_data_ex (ustack=0x6060000bdaa8, C=0x60e000025dc8, us_target=0x60c0002e1f88, use_skip=true)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:888
#19 0x000000000b5f4b3a in BKE_undosys_step_undo_with_data (ustack=0x6060000bdaa8, C=0x60e000025dc8, us_target=0x60c0002e1f88)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:898
#20 0x000000000b5f4c6a in BKE_undosys_step_undo (ustack=0x6060000bdaa8, C=0x60e000025dc8)
    at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:907
#21 0x000000000a3415ae in ed_undo_step_direction (C=0x60e000025dc8, step=STEP_UNDO, reports=0x6040008dd258)
    at /home/zed/prog/blender/source/blender/editors/undo/ed_undo.c:305

**System Information** Operating system: Gentoo Linux Graphics card: AMD Vega 64 **Blender Version** Broken: git master **Short description of error** If you undo loading an image as a mesh plane with the "Import Images as Planes" addon, blender segfaults in the GPU texture free function. **Exact steps for others to reproduce the error** 1. Open Blender and activate the "Import Images as Planes" addon 2. Import an image: File -> Import -> Images as Planes 3. Undo 4. Segfault Backtrace: ``` Thread 1 "blender" received signal SIGSEGV, Segmentation fault. 0x0000000017185b5e in GPU_texture_free (tex_=0x61af0030a340) at /home/zed/prog/blender/source/blender/gpu/intern/gpu_texture.cc:523 523 tex->refcount--; (gdb) bt - 0 0x0000000017185b5e in GPU_texture_free(GPUTexture*) (tex_=0x61af0030a340) at /home/zed/prog/blender/source/blender/gpu/intern/gpu_texture.cc:523 - 1 0x000000000386e2c1 in image_free_gpu (ima=0x61b000309e88, immediate=true) at /home/zed/prog/blender/source/blender/blenkernel/intern/image_gpu.c:555 - 2 0x000000000386ec33 in BKE_image_free_gputextures (ima=0x61b000309e88) at /home/zed/prog/blender/source/blender/blenkernel/intern/image_gpu.c:589 - 3 0x0000000003828f3b in BKE_image_free_buffers_ex (ima=0x61b000309e88, do_lock=false) at /home/zed/prog/blender/source/blender/blenkernel/intern/image.c:526 - 4 0x00000000038290ac in BKE_image_free_buffers (ima=0x61b000309e88) at /home/zed/prog/blender/source/blender/blenkernel/intern/image.c:539 - 5 0x000000000382500e in image_free_data (id=0x61b000309e88) at /home/zed/prog/blender/source/blender/blenkernel/intern/image.c:177 #6 0x00000000038eec98 in BKE_libblock_free_datablock (id=0x61b000309e88, UNUSED_flag=771) at /home/zed/prog/blender/source/blender/blenkernel/intern/lib_id_delete.c:85 #7 0x00000000038ef1b4 in BKE_id_free_ex (bmain=0x61c000018088, idv=0x61b000309e88, flag=771, use_flag_from_idtag=false) at /home/zed/prog/blender/source/blender/blenkernel/intern/lib_id_delete.c:161 - 8 0x0000000003941fab in BKE_main_free (mainvar=0x61c000018088) at /home/zed/prog/blender/source/blender/blenkernel/intern/main.c:76 - 9 0x00000000036ac356 in BKE_blender_globals_clear () at /home/zed/prog/blender/source/blender/blenkernel/intern/blender.c:182 #10 0x000000000b15cf30 in setup_app_data (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870) at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:283 #11 0x000000000b15e616 in setup_app_blend_file_data (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870) at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:433 #12 0x000000000b15ea0d in BKE_blendfile_read_setup_ex (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870, startup_update_defaults=false, startup_app_template=0x0) at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:471 #13 0x000000000b15ea58 in BKE_blendfile_read_setup (C=0x60e000025dc8, bfd=0x619002920c88, params=0x7fffffffc850, reports=0x7fffffffc870) at /home/zed/prog/blender/source/blender/blenkernel/intern/blendfile.c:480 #14 0x000000000b15aafb in BKE_memfile_undo_decode (mfu=0x6190019d6688, undo_direction=STEP_UNDO, use_old_bmain_data=true, C=0x60e000025dc8) at /home/zed/prog/blender/source/blender/blenkernel/intern/blender_undo.c:97 #15 0x000000000a34a309 in memfile_undosys_step_decode (C=0x60e000025dc8, bmain=0x61c000018088, us_p=0x60c0002e1f88, undo_direction=STEP_UNDO, UNUSED_is_final=true) at /home/zed/prog/blender/source/blender/editors/undo/memfile_undo.c:193 #16 0x000000000b5ee805 in undosys_step_decode (C=0x60e000025dc8, bmain=0x61c000018088, ustack=0x6060000bdaa8, us=0x60c0002e1f88, dir=STEP_UNDO, is_final=true) at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:215 #17 0x000000000b5f4717 in BKE_undosys_step_load_data_ex (ustack=0x6060000bdaa8, C=0x60e000025dc8, us_target=0x60c0002e1f88, us_reference=0x60c0005e1988, use_skip=true) at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:827 #18 0x000000000b5f4b0b in BKE_undosys_step_undo_with_data_ex (ustack=0x6060000bdaa8, C=0x60e000025dc8, us_target=0x60c0002e1f88, use_skip=true) at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:888 #19 0x000000000b5f4b3a in BKE_undosys_step_undo_with_data (ustack=0x6060000bdaa8, C=0x60e000025dc8, us_target=0x60c0002e1f88) at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:898 #20 0x000000000b5f4c6a in BKE_undosys_step_undo (ustack=0x6060000bdaa8, C=0x60e000025dc8) at /home/zed/prog/blender/source/blender/blenkernel/intern/undo_system.c:907 #21 0x000000000a3415ae in ed_undo_step_direction (C=0x60e000025dc8, step=STEP_UNDO, reports=0x6040008dd258) at /home/zed/prog/blender/source/blender/editors/undo/ed_undo.c:305 ```

Sebastian Parborg commented

2021-10-19 11:37:06 +02:00

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