Date: Mon, 09 Nov 2009 16:57:52 +0100 (CET) From: Alexander Best <alexbestms@wwu.de> To: John Baldwin <jhb@freebsd.org>, <freebsd-hackers@freebsd.org> Cc: Alan Cox <alc@cs.rice.edu> Subject: Re: mmap(2) with MAP_ANON honouring offset although it shouldn't Message-ID: <permail-200911091557521e86ffa80000099b-a_best01@message-id.uni-muenster.de> In-Reply-To: <200911090931.12494.jhb@freebsd.org>
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John Baldwin schrieb am 2009-11-09: > On Saturday 07 November 2009 9:19:05 pm Alexander Best wrote: > > no problem. i've sent the final patch as followup to kern/71258 and > > also > > attached it to this message. to make it short. what's being changed > > by the > > patch: > > 1) if MAP_ANON is defined and offset !=0 ====> return EINVAL > > 2) if MAP_STACK is defined and offset !=0 ====> offset = 0 > > would be great if you could have a look at the patch if you've got > > a spare > > minute. > I didn't think 2) changed? I.e. both the old and new code do this, > so only 1) > is changing? you're right sorry about that mistake. so the only aspect of mmap() the patch changes is: if MAP_ANON is defined and offset !=0 ====> return EINVAL cheers. alex
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