On 12/17/2014 12:56 PM, Krishnan Parthasarathi wrote:
I was looking into a Coverity issue (CID 1228603) in GlusterFS.
I sent a patch[1] before I fully understood why this was an issue.
After searching around in the internet for explanations, I identified that
the core issue was that a character buffer, storing parts of a file (external I/O),
was marked tainted. This taint spread wherever the buffer was used. This seems
acceptable in the context of static analysis. How do we indicate to Coverity that
the 'taint' would cause no harm as speculated?
[1] - Coverity fix attempt: http://review.gluster.org/#/c/9286/
[2] - CID 1228603: Use of untrusted scalar value (TAINTED_SCALAR):
glusterd-utils.c: 2131 in glusterd_readin_file()
thanks,
kp
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KP,
We can mark the CID in Coverity scan website that it is not an issue
(i.e. as designed) and it would stop reporting it as a bug.
Let me if you need any help to mark it as not a bug.
Thanks,
Lala
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