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bug#41239: GTK builds crashing in XTread_socket after deleting a frame
From: |
Eli Zaretskii |
Subject: |
bug#41239: GTK builds crashing in XTread_socket after deleting a frame |
Date: |
Wed, 20 May 2020 19:07:50 +0300 |
> From: Noam Postavsky <npostavs@gmail.com>
> Cc: martin rudalics <rudalics@gmx.at>, 41239@debbugs.gnu.org
> Date: Tue, 19 May 2020 21:50:35 -0400
>
> > Once again, all the crashes are inside memory-allocation functions,
> > which suggests some kind of memory corruption. Did someone try to run
> > this scenario under valgrind?
>
> I've tried it now, log attached (minus what I believe are some false
> positives that printed during startup). This is against latest master
Thanks. This seems to say that we cause some memory allocation in
functions called by xg_prepare_tooltip, but the allocated memory
region is not large enough, and that causes invalid reads beyond end
of allocated region when we call xg_free_frame_widgets (as side effect
of deleting the tooltip frame, I suppose).
Can someone spot where we pass some wrong parameters to GTK/GIO
functions in xg_prepare_tooltip? Or something we do wrong in
xg_free_frame_widgets? Failing that, I guess we will need to step
through the GTK functions mentioned by valgrind and see what's going
on there.
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, martin rudalics, 2020/05/13
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Eli Zaretskii, 2020/05/13
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, martin rudalics, 2020/05/14
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Eli Zaretskii, 2020/05/14
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, martin rudalics, 2020/05/15
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Eli Zaretskii, 2020/05/15
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, martin rudalics, 2020/05/16
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Noam Postavsky, 2020/05/19
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, martin rudalics, 2020/05/20
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame,
Eli Zaretskii <=
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Noam Postavsky, 2020/05/21
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, martin rudalics, 2020/05/22
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Eli Zaretskii, 2020/05/22
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Noam Postavsky, 2020/05/22
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Eli Zaretskii, 2020/05/22
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Noam Postavsky, 2020/05/22
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Eli Zaretskii, 2020/05/22
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Noam Postavsky, 2020/05/24
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, martin rudalics, 2020/05/22
- bug#41239: GTK builds crashing in XTread_socket after deleting a frame, Noam Postavsky, 2020/05/22