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Re: [Xen-devel] [PATCH 1/1] tools/ocaml: Dup2 /dev/null to stdin in daemonize()

To: Christian Lindig <christian.lindig@xxxxxxxxxx>
From: Wei Liu <wei.liu2@xxxxxxxxxx>
Date: Wed, 27 Feb 2019 12:03:38 +0000
Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, wei.liu2@xxxxxxxxxx, ian.jackson@xxxxxxxxxx
Delivery-date: Wed, 27 Feb 2019 12:03:49 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

On Wed, Feb 27, 2019 at 10:33:42AM +0000, Christian Lindig wrote:
> Don't close stdin in daemonize() but dup2 /dev/null instead. This avoids
> fd 0 being reused and potentially written to.
> 
> Signed-off-by: Christian Lindig <christian.lindig@xxxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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References:
- [Xen-devel] [PATCH 1/1] tools/ocaml: Dup2 /dev/null to stdin in daemonize()
  - From: Christian Lindig

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