Re: [PATCH 4/6] sysctl: dont overflow the user-supplied buffer with 0

Linus Torvalds
2006-01-06T01:31:37Z

On Thu, 5 Jan 2006, Chris Wright wrote:
>
> If the string was too long to fit in the user-supplied buffer,
> the sysctl layer would zero-terminate it by writing past the
> end of the buffer. Don't do that.

Don't use this one. It doesn't zero-pad the string if the result buffer is
too small (which _could_ cause problems) and it actually returns the wrong
length too.

There's a better one in the final 2.6.15.

Linus