Re: String functions considered unsafe in kernel

In reply to: Johannes Totz via freebsd-hackers : "String functions considered unsafe in kernel"
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From: Poul-Henning Kamp <phk_at_phk.freebsd.dk>
Date: Thu, 02 Sep 2021 21:30:01 UTC

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Johannes Totz via freebsd-hackers writes:

> there are a few string (copy, formatting) functions I would consider 
> unsafe when used in kernel, in particular when used with untrusted input 
> coming from user space.

This is precisely why des@ and I designed at created <sys/sbuf.h>.

Use it.

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Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
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