Crash when connecting nodes with to node group input or output #49082

New Issue

Tim Roberts · 2016-08-13T05:16:06+02:00

Tim Roberts commented

2016-08-13 05:16:06 +02:00

System information:
Windows 10 Home 64 bit
4GB Ram CPU

Blender version
2.77a abf6f08 and 2.77.3 c19d527

Description of Error:
If connecting a node to a group input or output (inside of a node group) by using'Shift + F' keys instead of 'lazy connect, Blender crashes.

Steps to reproduce error

Create a node group, connect any node to the input or output using 'Shift + F'.

Steps to reproduce error based on file

File is attached, connect diffuse shader to node group input or output with 'Shift+F', behavior will present itself.

Report.blend

**System information:** Windows 10 Home 64 bit 4GB Ram CPU **Blender version** 2.77a abf6f08 and 2.77.3 c19d527 **Description of Error:** If connecting a node to a group input or output (inside of a node group) by using'Shift + F' keys instead of 'lazy connect, Blender crashes. **Steps to reproduce error** Create a node group, connect any node to the input or output using 'Shift + F'. **Steps to reproduce error based on file** File is attached, connect diffuse shader to node group input or output with 'Shift+F', behavior will present itself. [Report.blend](https://archive.blender.org/developer/F336399/Report.blend)

Tim Roberts commented

2016-08-13 05:16:06 +02:00

Changed status to: 'Open'

Tim Roberts commented

2016-08-13 05:16:06 +02:00

Added subscriber: @Timaroberts

Bastien Montagne commented

2016-08-13 15:15:46 +02:00

Added subscriber: @mont29

Bastien Montagne commented

2016-08-13 15:15:46 +02:00

Issue confirmed, asan report:

=================================================================
==3649==ERROR: AddressSanitizer: heap-use-after-free on address 0x6060007538f8 at pc 0x0000023eba4c bp 0x7ffc1f344c10 sp 0x7ffc1f344c08
READ of size 4 at 0x6060007538f8 thread T0
    - 0 0x23eba4b in snode_autoconnect_input /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:291
    - 1 0x23ebf1c in snode_autoconnect /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:346
    - 2 0x23efe2b in node_make_link_exec /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:906
    - 3 0x224f5c0 in wm_operator_invoke /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1102
    - 4 0x2252ac3 in wm_handler_operator_call /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1744
    - 5 0x2254250 in wm_handlers_do_intern /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2021
    - 6 0x2254a51 in wm_handlers_do /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2130
    - 7 0x22567e6 in wm_event_do_handlers /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2463
    - 8 0x223922d in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:489
    - 9 0x222f753 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:525
    - 10 0x7f7f9be5672f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2072f)
    - 11 0x222eaf8 in _start (/home/i74700deb64/blender/__work__/build_cmake_dbg/bin/blender+0x222eaf8)

0x6060007538f8 is located 56 bytes inside of 64-byte region [0x6060007538c0,0x606000753900)
freed by thread T0 here:
    - 0 0x7f7fab4aec72 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x93c72)
    - 1 0x5220898 in MEM_lockfree_freeN /home/i74700deb64/blender/__work__/src/intern/guardedalloc/intern/mallocn_lockfree_impl.c:169
    - 2 0x440326d in nodeRemLink /home/i74700deb64/blender/__work__/src/source/blender/blenkernel/intern/node.c:1020
    - 3 0x473f556 in node_group_input_update /home/i74700deb64/blender/__work__/src/source/blender/nodes/intern/node_common.c:437
    - 4 0x440ff06 in ntreeUpdateTree /home/i74700deb64/blender/__work__/src/source/blender/blenkernel/intern/node.c:3025
    - 5 0x23eba18 in snode_autoconnect_input /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:290
    - 6 0x23ebf1c in snode_autoconnect /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:346
    - 7 0x23efe2b in node_make_link_exec /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:906
    - 8 0x224f5c0 in wm_operator_invoke /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1102
    - 9 0x2252ac3 in wm_handler_operator_call /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1744
    - 10 0x2254250 in wm_handlers_do_intern /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2021
    - 11 0x2254a51 in wm_handlers_do /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2130
    - 12 0x22567e6 in wm_event_do_handlers /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2463
    - 13 0x223922d in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:489
    - 14 0x222f753 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:525
    - 15 0x7f7f9be5672f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2072f)

previously allocated by thread T0 here:
    - 0 0x7f7fab4af0d2 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x940d2)
    - 1 0x5220d9e in MEM_lockfree_callocN /home/i74700deb64/blender/__work__/src/intern/guardedalloc/intern/mallocn_lockfree_impl.c:286
    - 2 0x4402e8a in nodeAddLink /home/i74700deb64/blender/__work__/src/source/blender/blenkernel/intern/node.c:987
    - 3 0x23eb9d7 in snode_autoconnect_input /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:288
    - 4 0x23ebf1c in snode_autoconnect /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:346
    - 5 0x23efe2b in node_make_link_exec /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:906
    - 6 0x224f5c0 in wm_operator_invoke /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1102
    - 7 0x2252ac3 in wm_handler_operator_call /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1744
    - 8 0x2254250 in wm_handlers_do_intern /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2021
    - 9 0x2254a51 in wm_handlers_do /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2130
    - 10 0x22567e6 in wm_event_do_handlers /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2463
    - 11 0x223922d in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:489
    - 12 0x222f753 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:525
    - 13 0x7f7f9be5672f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2072f)

Issue confirmed, asan report: ``` ================================================================= ==3649==ERROR: AddressSanitizer: heap-use-after-free on address 0x6060007538f8 at pc 0x0000023eba4c bp 0x7ffc1f344c10 sp 0x7ffc1f344c08 READ of size 4 at 0x6060007538f8 thread T0 - 0 0x23eba4b in snode_autoconnect_input /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:291 - 1 0x23ebf1c in snode_autoconnect /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:346 - 2 0x23efe2b in node_make_link_exec /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:906 - 3 0x224f5c0 in wm_operator_invoke /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1102 - 4 0x2252ac3 in wm_handler_operator_call /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1744 - 5 0x2254250 in wm_handlers_do_intern /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2021 - 6 0x2254a51 in wm_handlers_do /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2130 - 7 0x22567e6 in wm_event_do_handlers /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2463 - 8 0x223922d in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:489 - 9 0x222f753 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:525 - 10 0x7f7f9be5672f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2072f) - 11 0x222eaf8 in _start (/home/i74700deb64/blender/__work__/build_cmake_dbg/bin/blender+0x222eaf8) 0x6060007538f8 is located 56 bytes inside of 64-byte region [0x6060007538c0,0x606000753900) freed by thread T0 here: - 0 0x7f7fab4aec72 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x93c72) - 1 0x5220898 in MEM_lockfree_freeN /home/i74700deb64/blender/__work__/src/intern/guardedalloc/intern/mallocn_lockfree_impl.c:169 - 2 0x440326d in nodeRemLink /home/i74700deb64/blender/__work__/src/source/blender/blenkernel/intern/node.c:1020 - 3 0x473f556 in node_group_input_update /home/i74700deb64/blender/__work__/src/source/blender/nodes/intern/node_common.c:437 - 4 0x440ff06 in ntreeUpdateTree /home/i74700deb64/blender/__work__/src/source/blender/blenkernel/intern/node.c:3025 - 5 0x23eba18 in snode_autoconnect_input /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:290 - 6 0x23ebf1c in snode_autoconnect /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:346 - 7 0x23efe2b in node_make_link_exec /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:906 - 8 0x224f5c0 in wm_operator_invoke /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1102 - 9 0x2252ac3 in wm_handler_operator_call /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1744 - 10 0x2254250 in wm_handlers_do_intern /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2021 - 11 0x2254a51 in wm_handlers_do /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2130 - 12 0x22567e6 in wm_event_do_handlers /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2463 - 13 0x223922d in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:489 - 14 0x222f753 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:525 - 15 0x7f7f9be5672f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2072f) previously allocated by thread T0 here: - 0 0x7f7fab4af0d2 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.2+0x940d2) - 1 0x5220d9e in MEM_lockfree_callocN /home/i74700deb64/blender/__work__/src/intern/guardedalloc/intern/mallocn_lockfree_impl.c:286 - 2 0x4402e8a in nodeAddLink /home/i74700deb64/blender/__work__/src/source/blender/blenkernel/intern/node.c:987 - 3 0x23eb9d7 in snode_autoconnect_input /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:288 - 4 0x23ebf1c in snode_autoconnect /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:346 - 5 0x23efe2b in node_make_link_exec /home/i74700deb64/blender/__work__/src/source/blender/editors/space_node/node_relationships.c:906 - 6 0x224f5c0 in wm_operator_invoke /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1102 - 7 0x2252ac3 in wm_handler_operator_call /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:1744 - 8 0x2254250 in wm_handlers_do_intern /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2021 - 9 0x2254a51 in wm_handlers_do /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2130 - 10 0x22567e6 in wm_event_do_handlers /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm_event_system.c:2463 - 11 0x223922d in WM_main /home/i74700deb64/blender/__work__/src/source/blender/windowmanager/intern/wm.c:489 - 12 0x222f753 in main /home/i74700deb64/blender/__work__/src/source/creator/creator.c:525 - 13 0x7f7f9be5672f in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2072f) ```

blender-admin commented

2016-08-13 16:31:46 +02:00

This issue was referenced by c395d044fc

This issue was referenced by c395d044fcce02321f1689b8b025369fb2dbd6a6

Lukas Tönne commented

2016-08-13 16:36:17 +02:00

Changed status from 'Open' to: 'Resolved'

Lukas Tönne closed this issue

2016-08-13 16:36:17 +02:00

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Crash when connecting nodes with to node group input or output #49082