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From: Philipp
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Subject: bug#47378: Emacs 27.1 binary Mac OS build crashes on Big Sur (11.x)
Date: Fri, 26 Mar 2021 18:56:04 +0100
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Cc: 47378@debbugs.gnu.org
To: Victor Tsaran
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Archived-At:
> Am 25.03.2021 um 06:36 schrieb Victor Tsaran :
>=20
> Hi.
> I apologize for not submitting this using Emacs's bug reporting =
system, but I d not use Emacs for my emailing needs, thus do not have =
the right setup for doing this.
> I am attaching the full crash log from Mac OS generated by the system =
and hope it will be helpful in diagnosing the problem.
> More background information below.
>=20
> 1. I am using the clean Mac OS build of Emacs 27.1 from the Cask =
repository of Homebrew.
> 2. The build runs without any issues on Mac OS Catalina (10.15) using =
exact same packages and exact same configuration.
> 3. Emacs seems to abort with memory allocation errors, see the crash =
thread.
Looks like a double-free in draw_glyphs? But that function is massive, =
so without further instrumentation it might be difficult to pin down the =
exact problem.
Could you try compiling with debugging symbols and then generating a =
stack trace using GDB or LLDB? Another option would be to compile with =
address sanitization enabled.=