Crash in OGL drawcode with a specific shader #59828

New Issue

user1 · 2018-12-25T00:43:19+01:00

user1 commented

2018-12-25 00:43:19 +01:00

System Information
Operating system: Linux Mint 19
Graphics card: GT 630

Blender Version
Broken:
2.80 (sub 39), branch: blender2.8, commit date: 2018-12-20 23:46, hash: 7a26e930a8

Connect the color ramp to the principled shader without leaving edit mode. Result: crash.
Falter.blend

System Information Operating system: Linux Mint 19 Graphics card: GT 630 Blender Version Broken: 2.80 (sub 39), branch: blender2.8, commit date: 2018-12-20 23:46, hash: 7a26e930a8c0 Connect the color ramp to the principled shader without leaving edit mode. Result: crash. [Falter.blend](https://archive.blender.org/developer/F6060698/Falter.blend)

user1 commented

2018-12-25 00:43:19 +01:00

Added subscriber: @user1

Gavin Scott commented

2018-12-25 02:25:40 +01:00

Added subscriber: @GavinScott

Gavin Scott commented

2018-12-25 02:25:40 +01:00

Duplicated here on Windows 10, Nvidia 1060.

Bastien Montagne commented

2018-12-28 09:56:47 +01:00

Added subscribers: @fclem, @mont29

Clément Foucault was assigned by Bastien Montagne

2018-12-28 09:56:47 +01:00

Bastien Montagne commented

2018-12-28 09:56:47 +01:00

@fclem backtrace of crash seems to hint at draw code… ;)

=================================================================
==25749==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x604000480fb8 at pc 0x55e121ba6d58 bp 0x7ffd90733760 sp 0x7ffd90733758
READ of size 1 at 0x604000480fb8 thread T0
    - 0 0x55e121ba6d57 in copy_attrib_name /home/i74700deb64/blender/__work__/src/source/blender/gpu/intern/gpu_vertex_format.c:139
    - 1 0x55e121ba7366 in GPU_vertformat_attr_add /home/i74700deb64/blender/__work__/src/source/blender/gpu/intern/gpu_vertex_format.c:202
    - 2 0x55e121bf5b4f in mesh_create_loop_uv_and_tan /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:3410
    - 3 0x55e121c2330f in DRW_mesh_batch_cache_create_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:5487
    - 4 0x55e121d54d49 in drw_batch_cache_generate_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache.c:3743
    - 5 0x55e121c2b7c5 in drw_engines_cache_populate /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1023
    - 6 0x55e121c2da95 in DRW_draw_render_loop_ex /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1483
    - 7 0x55e121c2d21c in DRW_draw_view /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1409
    - 8 0x55e11ffcf197 in view3d_draw_view /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1333
    - 9 0x55e11ffcf28f in view3d_main_region_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1354
    - 10 0x55e120bbb158 in ED_region_do_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/screen/area.c:567
    - 11 0x55e11fcb7998 in wm_draw_window_offscreen /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:580
    - 12 0x55e11fcb84bb in wm_draw_window /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:712
    - 13 0x55e11fcb8f01 in wm_draw_update /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:866
    - 14 0x55e11fcb1120 in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:433
    - 15 0x55e11fca68a0 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:521
    - 16 0x7f62d530c09a in __libc_start_main ../csu/libc-start.c:308
    - 17 0x55e11fca5cd9 in _start (/home/i74700deb64/blender/__work__/build_master_debug/bin/blender+0x3502cd9)

0x604000480fb8 is located 0 bytes to the right of 40-byte region [0x604000480f90,0x604000480fb8)
allocated by thread T0 here:
    - 0 0x7f62e12aaed0 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0xe8ed0)
    - 1 0x55e12356ec28 in MEM_lockfree_mallocN /home/i74700deb64/blender/__work__/src/intern/guardedalloc/intern/mallocn_lockfree_impl.c:318
    - 2 0x55e121bc3371 in mesh_render_data_create_ex /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:874
    - 3 0x55e121c230ea in DRW_mesh_batch_cache_create_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:5474
    - 4 0x55e121d54d49 in drw_batch_cache_generate_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache.c:3743
    - 5 0x55e121c2b7c5 in drw_engines_cache_populate /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1023
    - 6 0x55e121c2da95 in DRW_draw_render_loop_ex /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1483
    - 7 0x55e121c2d21c in DRW_draw_view /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1409
    - 8 0x55e11ffcf197 in view3d_draw_view /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1333
    - 9 0x55e11ffcf28f in view3d_main_region_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1354
    - 10 0x55e120bbb158 in ED_region_do_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/screen/area.c:567
    - 11 0x55e11fcb7998 in wm_draw_window_offscreen /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:580
    - 12 0x55e11fcb84bb in wm_draw_window /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:712
    - 13 0x55e11fcb8f01 in wm_draw_update /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:866
    - 14 0x55e11fcb1120 in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:433
    - 15 0x55e11fca68a0 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:521
    #16 0x7f62d530c09a in __libc_start_main ../csu/libc-start.c:308

SUMMARY: AddressSanitizer: heap-buffer-overflow /home/i74700deb64/blender/__work__/src/source/blender/gpu/intern/gpu_vertex_format.c:139 in copy_attrib_name

@fclem backtrace of crash seems to hint at draw code… ;) ```lines=20 ================================================================= ==25749==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x604000480fb8 at pc 0x55e121ba6d58 bp 0x7ffd90733760 sp 0x7ffd90733758 READ of size 1 at 0x604000480fb8 thread T0 - 0 0x55e121ba6d57 in copy_attrib_name /home/i74700deb64/blender/__work__/src/source/blender/gpu/intern/gpu_vertex_format.c:139 - 1 0x55e121ba7366 in GPU_vertformat_attr_add /home/i74700deb64/blender/__work__/src/source/blender/gpu/intern/gpu_vertex_format.c:202 - 2 0x55e121bf5b4f in mesh_create_loop_uv_and_tan /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:3410 - 3 0x55e121c2330f in DRW_mesh_batch_cache_create_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:5487 - 4 0x55e121d54d49 in drw_batch_cache_generate_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache.c:3743 - 5 0x55e121c2b7c5 in drw_engines_cache_populate /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1023 - 6 0x55e121c2da95 in DRW_draw_render_loop_ex /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1483 - 7 0x55e121c2d21c in DRW_draw_view /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1409 - 8 0x55e11ffcf197 in view3d_draw_view /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1333 - 9 0x55e11ffcf28f in view3d_main_region_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1354 - 10 0x55e120bbb158 in ED_region_do_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/screen/area.c:567 - 11 0x55e11fcb7998 in wm_draw_window_offscreen /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:580 - 12 0x55e11fcb84bb in wm_draw_window /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:712 - 13 0x55e11fcb8f01 in wm_draw_update /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:866 - 14 0x55e11fcb1120 in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:433 - 15 0x55e11fca68a0 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:521 - 16 0x7f62d530c09a in __libc_start_main ../csu/libc-start.c:308 - 17 0x55e11fca5cd9 in _start (/home/i74700deb64/blender/__work__/build_master_debug/bin/blender+0x3502cd9) 0x604000480fb8 is located 0 bytes to the right of 40-byte region [0x604000480f90,0x604000480fb8) allocated by thread T0 here: - 0 0x7f62e12aaed0 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0xe8ed0) - 1 0x55e12356ec28 in MEM_lockfree_mallocN /home/i74700deb64/blender/__work__/src/intern/guardedalloc/intern/mallocn_lockfree_impl.c:318 - 2 0x55e121bc3371 in mesh_render_data_create_ex /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:874 - 3 0x55e121c230ea in DRW_mesh_batch_cache_create_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache_impl_mesh.c:5474 - 4 0x55e121d54d49 in drw_batch_cache_generate_requested /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_cache.c:3743 - 5 0x55e121c2b7c5 in drw_engines_cache_populate /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1023 - 6 0x55e121c2da95 in DRW_draw_render_loop_ex /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1483 - 7 0x55e121c2d21c in DRW_draw_view /home/i74700deb64/blender/__work__/src/source/blender/draw/intern/draw_manager.c:1409 - 8 0x55e11ffcf197 in view3d_draw_view /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1333 - 9 0x55e11ffcf28f in view3d_main_region_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/space_view3d/view3d_draw.c:1354 - 10 0x55e120bbb158 in ED_region_do_draw /home/i74700deb64/blender/__work__/src/source/blender/editors/screen/area.c:567 - 11 0x55e11fcb7998 in wm_draw_window_offscreen /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:580 - 12 0x55e11fcb84bb in wm_draw_window /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:712 - 13 0x55e11fcb8f01 in wm_draw_update /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_draw.c:866 - 14 0x55e11fcb1120 in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:433 - 15 0x55e11fca68a0 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:521 #16 0x7f62d530c09a in __libc_start_main ../csu/libc-start.c:308 SUMMARY: AddressSanitizer: heap-buffer-overflow /home/i74700deb64/blender/__work__/src/source/blender/gpu/intern/gpu_vertex_format.c:139 in copy_attrib_name ```

Bastien Montagne changed title from ~~Crash~~ to Crash in OGL drawcode with a specific shader

2018-12-28 09:57:22 +01:00

Brecht Van Lommel commented

2019-03-08 19:25:43 +01:00

Added subscriber: @brecht

Brecht Van Lommel commented

2019-03-08 19:25:43 +01:00

Changed status from 'Open' to: 'Resolved'

Brecht Van Lommel closed this issue

2019-03-08 19:25:43 +01:00

Brecht Van Lommel commented

2019-03-08 19:25:43 +01:00

Confirmed to crash in 7a26e930a8, but works in latest master.

Confirmed to crash in 7a26e930a8c0, but works in latest master.

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Crash in OGL drawcode with a specific shader #59828