[dpdk-dev] [PATCH] cfgfile: fix integer overflow

Mcnamara, John john.mcnamara at intel.com
Mon May 16 14:58:44 CEST 2016



> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Kobylinski, MichalX
> Sent: Monday, May 16, 2016 1:51 PM
> To: Thomas Monjalon <thomas.monjalon at 6wind.com>
> Cc: dev at dpdk.org; Dumitrescu, Cristian <cristian.dumitrescu at intel.com>
> Subject: Re: [dpdk-dev] [PATCH] cfgfile: fix integer overflow
> ...
> Coverity show that there is overflowed value.
> But the second parameter will never be greater than 254 (its range is 0 -
> 254).
> I used cast this parameter to unsigned in order that resolved bug reported
> by static analysis.

Hi,

If the error cannot happen in a real application then you can mark the defect
as a false positive in Coverity. Add some of the information provided above as
to why it is a false positive to the comments section of the defect or add a 
link to the patchwork discussion.

John






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