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[Xen-devel] Re: [PATCH]: fix crash in various tools by permitting xs_*() with NULL path

  • To: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
  • From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
  • Date: Mon, 26 Jul 2010 11:45:28 +0200
  • Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
  • Delivery-date: Mon, 26 Jul 2010 02:46:26 -0700
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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

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