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bug#61896: 30.0.50; Emacs crashes because of an invalid free
From: |
Philip Kaludercic |
Subject: |
bug#61896: 30.0.50; Emacs crashes because of an invalid free |
Date: |
Fri, 03 Mar 2023 18:00:57 +0000 |
Rah Guzar <rahguzar@zohomail.eu> writes:
> I have never used gdb before so I will need to figure that out. I am traveling
> today so this will not happen before Monday or Tuesday. But I will try it
> sometime next week.
It shouldn't be that difficult, I usually first reconfigure Emacs with
debugging information:
$ pwd
/home/user/src/emacs/
$ ./configure CFLAGS="-ggdb3"
Then all you need to do is to start Emacs in the src sub-directory using
GDB and then try to provoke the bug:
$ pwd
/home/user/src/emacs/src
$ gdb emacs |& tee error.log
... # Copyright and stuff here.
(gdb) run -Q
... # Emacs is running now and you can load the broken bytecode.
# The next GDB prompt will appear when Emacs aborts.
(gdb) xbacktrace
... # The Lisp backtrace should appear here.
(gdb) quit
If you do this, then the entire session log should be store in the
"error.log" file.
--
Philip Kaludercic
bug#61896: 30.0.50; Emacs crashes because of an invalid free, Rah Guzar, 2023/03/02