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bug#11467: Parfait problems with GNU coreutils

From: Rich Burridge
Subject: bug#11467: Parfait problems with GNU coreutils
Date: Mon, 14 May 2012 07:02:02 -0700
User-agent: Mozilla/5.0 (X11; SunOS i86pc; rv:10.0.3) Gecko/20120424 Thunderbird/10.0.3

On 05/14/12 05:43 AM, Jim Meyering wrote:
Thanks for auditing coreutils!
A bug in sort would have been a surprise, and more of an issue,
so I've looked at it first.

Rich Burridge wrote:
Error: Null pointer dereference (CWE 476)
    Read from null pointer 's'
         at line 3389 of components/coreutils/coreutils-8.5/src/sort.c in 
function 'main'.
           Function 'parse_field_count' may return constant 'NULL' at line 
3130, called at line 3387.
That is not true when the third argument to parse_field_count is
non-NULL, as is the case in sort.c from coreutils-8.5 (and in the
latest from git).  In that case, parse_field_count exits upon failure
and cannot return NULL.

Thanks Jim. Incomplete analysis on my part. This is a(nother) case where
parfait is not smart enough to recognize that error is a non-returning function.

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