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From: Rich Felker <dalias@aerifal.cx>
To: musl@lists.openwall.com
Subject: Re: openssh and sendmsg() problem
Date: Tue, 26 Jun 2012 17:13:19 -0400	[thread overview]
Message-ID: <20120626211319.GM544@brightrain.aerifal.cx> (raw)
In-Reply-To: <20120626204016.GA17860@port70.net>

On Tue, Jun 26, 2012 at 10:40:16PM +0200, Szabolcs Nagy wrote:
> > And kernel too.
> > 
> > Both they define incompatible msghdr and cmsghdr structs.
> > The problem sits in cmsghdr struct, changing it's first member type to
> > 'size_t' solves openssh issue.
> 
> so the issue is that the kernel and glibc uses size_t for socklen_t
> in struct msghdr and struct cmsghdr as well
> 
> musl fixes msghdr but not cmsghdr
> (by using int + padding)
> 
> where is it specified in posix that socklen_t should be unsigned int?
> it seems using size_t would make things easier..

Yes it would be easier, but unfortunately it's part of the LSB types
ABI and presumably the Linux kernel ABI...

Rich


  reply	other threads:[~2012-06-26 21:13 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-26 11:01 orc
2012-06-26 12:00 ` Szabolcs Nagy
2012-06-26 16:01   ` Rich Felker
2012-06-26 17:24     ` orc
2012-06-26 17:32       ` Rich Felker
2012-06-26 18:16         ` orc
2012-06-26 19:08           ` Rich Felker
2012-06-26 19:39             ` orc
2012-06-26 20:40               ` Szabolcs Nagy
2012-06-26 21:13                 ` Rich Felker [this message]
2012-07-01 10:23                   ` orc
2012-06-26 18:32       ` John Spencer
2012-06-26 18:34         ` orc

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