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Re: zsh malloc/heap corruption

X-seq: zsh-workers 53980
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Mikael Magnusson <mikachu@xxxxxxxxx>
Cc: Anthony Heading <ajrh@xxxxxxxx>, zsh-workers@xxxxxxx
Subject: Re: zsh malloc/heap corruption
Date: Sun, 28 Sep 2025 19:46:16 -0700
Archived-at: <https://zsh.org/workers/53980>
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On Sun, Sep 28, 2025 at 6:41 PM Mikael Magnusson <mikachu@xxxxxxxxx> wrote:
>
> Is regfree() later on safe?

Good question.  I wasn't able to induce a crash there, but it might
depend on whether/when the malloc internals try to release space back
to the OS.

Can't hurt to wrap that as well.

References:
- zsh malloc/heap corruption
  - From: Anthony Heading
- Re: zsh malloc/heap corruption
  - From: Bart Schaefer
- Re: zsh malloc/heap corruption
  - From: Anthony Heading
- Re: zsh malloc/heap corruption
  - From: Bart Schaefer
- Re: zsh malloc/heap corruption
  - From: Anthony Heading
- Re: zsh malloc/heap corruption
  - From: Bart Schaefer
- Re: zsh malloc/heap corruption
  - From: Mikael Magnusson

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