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Re: Zsh 5.9 segfault, likely due to unsafe signal handler

X-seq: zsh-workers 51309
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Jacob Greenfield <jacob.greenfield.256@xxxxxxxxx>
Cc: zsh-workers@xxxxxxx
Subject: Re: Zsh 5.9 segfault, likely due to unsafe signal handler
Date: Mon, 16 Jan 2023 14:48:05 -0800
Archived-at: <https://zsh.org/workers/51309>
In-reply-to: <3A4C1EA2-76F7-432D-9D61-FD1D86129546@gmail.com>
List-id: <zsh-workers.zsh.org>
References: <3A4C1EA2-76F7-432D-9D61-FD1D86129546@gmail.com>

Looking at the traceback, this doesn't definitively appear as a signal
handler issue, more like a mis-handling of the list of temporary files
to be cleaned up when a child process exits.  It is a little odd that
this is firing when the shell is already exiting (signal handled
during lockhistfile(), for example) but there have been subsequent
fixes (workers/50306 for one) that may have affected this.

References:
- Zsh 5.9 segfault, likely due to unsafe signal handler
  - From: Jacob Greenfield

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