amd64/86229: Missing recvmsg syscall in freebsd32 API causes sshd crash on amd64

[John Baldwin]

On Tuesday 01 November 2005 04:30 am, Phil Regnauld wrote:
> The following reply was made to PR amd64/86229; it has been noted by GNATS.
>
> From: Phil Regnauld <regnauld at catpipe.net>
> To: bug-followup at FreeBSD.org, jhb at freebsd.org
> Cc:
> Subject: Re: amd64/86229: Missing recvmsg syscall in freebsd32 API causes
> sshd crash on amd64 Date: Tue, 1 Nov 2005 10:19:20 +0100
>
>  John Baldwin <jhb at FreeBSD.org> wrote:
>  > I haven't tested it on amd64 at all (hopefully the freebsd32 part
>  > compiles :-P), but here is a patch to add a kern_recvit() function and
>  > use it to implement freebsd32_recvmsg().  Note that I'm not sure that
>  > some other functions like sendmsg() actually work correctly for
>  > freebsd32 as they are copying in a 32-bit msghdr and expecting it to be
>  > a 64-bit msghdr.
>  >
>  > http://www.FreeBSD.org/~jhb/patches/freebsd32_recvmsg.patch
>
>  Hi there,
>
>  Didn't get to test on HEAD yet...  I am attempting to patch 6.0 first
> (that's what I run on the production box).  It fails there -- is it easily
> fixable or should I just drop it and try -CURRENT ?

Try -current as the patch committed wasn't identical to the one at that URL.  
Also, yesterday additional patches were committed that fixed 
descriptor-passing (which sshd is probably going to use for privsep) using 
sendmsg() and recvmsg(), so you probably want the latest current.

-- 
John Baldwin <jhb at FreeBSD.org>  <><  http://www.FreeBSD.org/~jhb/
"Power Users Use the Power to Serve"  =  http://www.FreeBSD.org