Re: [PATCH] Security fixes for rt signals, siginfo posting

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Wed Jan 19 2000 - 09:04:08 EST


> BTW: When hacking on the patch, I found that on i386 glibc defines siginfo_t
> to have a 32bit uid in the place of kernel's 16bit (but the kernel has
> padding there), which leads me to the question: is it really necessary to
> keep _kill._uid on intel with 16bit type and introduce _kill._uid32?

You answered that question yourself. The other two bytes are undefined on
older kernels

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