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Description of problem:
After update to procps-ng-3.3.10-4.el7_2, free is failing when interval for printing output is passed (-s, --seconds)

Version-Release number of selected component (if applicable):
procps-ng-3.3.10-4.el7_2

How reproducible:
Always, see bellow

Steps to Reproduce:
1. free -s 2

Actual results:
free: seconds argument `2' failed

Expected results: (output printed every 2 seconds)
              total        used        free      shared  buff/cache   available
Mem:        3882420      211260      799756       25484     2871404     3354752
Swap:             0           0           0

I can reproduce this even on Fedora. Looks like triggered by some glibc changes.

It's a bug in the free tool. The 'errno' variable is not zeroed prior calling 'strtof'.

Unfortunately it's triggered indirectly and blocks the Z-stream fix.

Created attachment 1168386 [details]
Patch applied to the package

Issue already resolved on upstream side in commit https://gitlab.com/procps-ng/procps/commit/fd007d6d1df1714bda1338d8423c8c72238a6a14.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2016-2447.html