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From: Dan Kegel <dank@kegel.com>
Date: Mon, 10 Aug 2020 20:58:55 -0700
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Subject: Re: Is realloc(3) permitted to fail when shrinking a block?
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If the heap's corrupt, yes, it can fail...

On Mon, Aug 10, 2020 at 8:54 PM =E5=AD=99=E4=B8=96=E9=BE=99 sunshilong via =
Gcc-help <
gcc-help@gcc.gnu.org> wrote:

> As the subject, I couldn't find any positive or negative statements
> about this matter in the Linux Programmer's Manual.
>
> Could somebody shed some light on this matter?
>
> Thank you for your attention to this matter.
> Best regards.
> Sunshilong
>
>