darktable-org / darktable-org/darktable

Random segfaults

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Dominant language
C
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Description

Is there an existing issue for this?
  • I checked and did not find my issue in the already reported ones
Describe the bug

Copy and pasted some history between pics and it crashed. Seemed rather random

Steps to reproduce
  1. Ctrl+C on image
  2. Ctrl+V crash. Doesn't happen all the time
Expected behavior

not crash

Logfile | Screenshot | Screencast

Thread 1 (Thread 0x7f9510a87d80 (LWP 2946449) "darktable"):
#0 0x00007f9528aa07f2 in ??? () at /usr/lib/libc.so.6
#1 0x00007f9528a9481c in ??? () at /usr/lib/libc.so.6
#2 0x00007f9528a94864 in ??? () at /usr/lib/libc.so.6
#3 0x00007f9528b11a0e in write () at /usr/lib/libc.so.6
#4 0x00007f952bb5b3a9 in ??? () at /usr/lib/libglib-2.0.so.0
#5 0x00007f952edfa335 in dt_lua_async_call_alien_internal (call_function=call_function@entry=0x7f94dde1b9c0 <FUNCTION.18> "_fire_darkroom_image_loaded_event", line=line@entry=1222, pusher=0x7f952edfcc70 <dt_lua_event_trigger_wrapper>, nresults=nresults@entry=0, cb=cb@entry=0x0, cb_data=cb_data@entry=0x0, arg_type=LUA_ASYNC_TYPENAME) at /run/media/nuno/vms_ssd/builds/darktable/src/lua/call.c:550
data = 0x56142887c1b0
ap = {{gp_offset = 48, fp_offset = 1082975688, overflow_arg_area = 0x7fff803ef1d0, reg_save_area = 0x7fff803ef120}}
cur_type = LUA_ASYNC_DONE
closure =
_g_boolean_var_12 =
#6 0x00007f94dde10ce0 in _fire_darkroom_image_loaded_event (clean=false, imgid=) at /run/media/nuno/vms_ssd/builds/darktable/src/views/darkroom.c:1222
#7 _dev_load_requested_image (user_data=0x561421c84430) at /run/media/nuno/vms_ssd/builds/darktable/src/views/darkroom.c:1367
dev =
imgid =
old_imgid =
nb_iop =
option = "\220\363>\200\377\177\000\000\000\000\000\000\000\000\000\000P\362>\200\000\000\000\000\360s\005.\225\177\000\000\200\363>\200\377\177\000\000\020\361>\200\377\177\000\000\002\000\000\000\000\000\000\000\300\363>\200\377\177\000\000\002", '\000' <repeats 11 times>, "\001\000\000\000\001\000\000\000\024V\000\000\360\364>\200\377\177\000\000\260\364>\200\377\177\000\000\000א\026Kr\331\327\300\362>\200\377\177\000\000\002\000\000\000\000\000\000\000\002\000\000\000\000\000\000\000\b\000\000\000\000\000\000\000\260\363>\200\377\177\000\000\020\000\000\000\000\000\000\000P\363>\200\377\177\000\000R\275\354\033\225\177", '\000' <repeats 18 times>, "\360s\005.\225\177\000\000\220"...
active_plugin =
#8 0x00007f952bafec76 in ??? () at /usr/lib/libglib-2.0.so.0
#9 0x00007f952bb00ed7 in ??? () at /usr/lib/libglib-2.0.so.0
#10 0x00007f952bb01217 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#11 0x00007f952ed46e53 in dt_gui_gtk_run (gui=0x561420f75ae0) at /run/media/nuno/vms_ssd/builds/darktable/src/gui/gtk.c:1824
widget =
allocation = {x = 0, y = 0, width = 1267, height = 818}
#12 0x00005613fbfa7265 in main (argc=, argv=) at /run/media/nuno/vms_ssd/builds/darktable/src/main.c:158
exitcode =
[Inferior 1 (process 2946449) detached]
backtrace written to /tmp/darktable_bt_K9Z6S3.txt
Magick: abort due to signal 11 (SIGSEGV) "Segmentation Fault"...
fish: Job 1, '/opt/darktable-test/bin/darktab…' terminated by signal SIGABRT (Abort)

Commit

No response

Where did you obtain darktable from?

darktable.org / GitHub release

darktable version

5.7.0+192~g59ed384a10-dirty

What OS are you using?

Linux

What is the version of your OS?

Arch Linux

Describe your system

RTX 3080 10GB, 5950X, 64GB RAM

Are you using OpenCL GPU in darktable?

Yes

If yes, what is the GPU card and driver?

No response

Please provide additional context if applicable. You can attach files too, but might need to rename to .txt or .zip

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the intermittent Ctrl+C/Ctrl+V history-copy crash on Linux with the reported darktable build. Inspect the backtrace entries in src/lua/call.c:550 and src/views/darkroom.c:1222 and 1367, then use the available crash log to narrow the fault. Done means the reported workflow no longer produces a segmentation fault.

Written by the indexing model from the issue text.

Assessment

Tech stack
c, lua
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

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