Subject: Re: SA/pthread syscall versioning
To: None <>
From: Christos Zoulas <>
List: tech-kern
Date: 12/11/2003 19:40:46
In article <>,
Matt Thomas <> wrote:
>On Dec 11, 2003, at 8:55 AM, Christos Zoulas wrote:
>> BTW, this is the case [leaking kernel memory info] in many of the 
>> siginfo
>> machdep.c files (sparc,sparc64,vax, etc.) It did not seem important at
>> the time, but maybe we should bring it up for discussion again.
>The vax implementation (and powerpc) does not leak kernel memory info.
>However, it will leave portions of the siginfo_t that are not 
>by ksiginfo_t unchanged.  That is not a kernel memory leak.

Yes, that's it. It leaves uninitialized userland memory [stack]. Things
like purify will bitch at it... I was wrong about the kernel leak.