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Re: [Xen-devel] [PATCH 2/4] libxenstat: YAJL_GET_STRING may return NULL

To: Wei Liu <wei.liu2@xxxxxxxxxx>
From: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Date: Wed, 8 Apr 2015 16:47:11 +0100
Cc: Charles Arnold <carnold@xxxxxxxx>, andrew.cooper3@xxxxxxxxxx, Ian Campbell <ian.campbell@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxx
Delivery-date: Wed, 08 Apr 2015 15:47:19 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

Wei Liu writes ("[PATCH 2/4] libxenstat: YAJL_GET_STRING may return NULL"):
> Passing NULL to strcmp can cause segmentation fault. Continue in that
> case.
> 
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> Cc: Ian Campbell <ian.campbell@xxxxxxxxxx>
> Cc: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
> Cc: Charles Arnold <carnold@xxxxxxxx>

Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

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References:
- [Xen-devel] [PATCH 0/4] libxenstat bug fixes and cleanups
  - From: Wei Liu
- [Xen-devel] [PATCH 2/4] libxenstat: YAJL_GET_STRING may return NULL
  - From: Wei Liu

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