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Subject: [Bug 206758] [PATCH] Uninitalized variable in atrun
Date: Sat, 30 Jan 2016 13:10:33 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D206758

            Bug ID: 206758
           Summary: [PATCH] Uninitalized variable in atrun
           Product: Base System
           Version: 10.2-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Keywords: patch
          Severity: Affects Some People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: public2016@hauptsignal.at
                CC: freebsd-amd64@FreeBSD.org
                CC: freebsd-amd64@FreeBSD.org
          Keywords: patch

Created attachment 166300
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D166300&action=
=3Dedit
Patch for the atrun source

The atrun utility needs the number of CPUs for calculating the load limit. =
If
the average load is lower than that limit the next pending batch job is
started.

The number of CPUs is retrieved with an call to 'sysctlbyname'. This subrou=
tine
writes the number (which is an integer) to the "ncpu" variable. The variable
ist defined as size_t, which is an unsigned integer but is never initalized=
. So
the result of this operation is undefined.

The value of ncpu after calling sysctlbyname:
current version: 34359738369
patched version: 1

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