From mboxrd@z Thu Jan  1 00:00:00 1970
From: Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH]: fix crash in various tools by permitting
 xs_*() with NULL path
Date: Mon, 26 Jul 2010 11:45:28 +0200
Message-ID: <4C4D5938.3060605@redhat.com>
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To: Gianni Tedesco <gianni.tedesco@citrix.com>
Cc: Xen Devel <xen-devel@lists.xensource.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>
List-Id: xen-devel@lists.xenproject.org

On 07/20/2010 07:02 PM, Gianni Tedesco wrote:
> On the contrary open(NULL, O_RDONLY) will... The difference is FILE * is
> a struct wheras the change I am proposing in this case is to treat NULL
> as the empty string in the case of paths.

Returning EFAULT is one possible outcome, but a SIGSEGV or SIGBUS is 
also valid according to POSIX.

Paolo