[Bug 988805] New: IPC::Open3 keeps zombies after failed execve()

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=988805

            Bug ID: 988805
           Summary: IPC::Open3 keeps zombies after failed execve()
           Product: Fedora
           Version: 18
         Component: perl
          Assignee: mmaslano at redhat.com
          Reporter: ppisar at redhat.com
        QA Contact: extras-qa at fedoraproject.org
                CC: cweyl at alumni.drew.edu, iarnell at gmail.com,
                    jplesnik at redhat.com, kasal at ucw.cz,
                    mmaslano at redhat.com,
                    perl-devel at lists.fedoraproject.org, ppisar at redhat.com,
                    psabata at redhat.com, rc040203 at freenet.de,
                    tcallawa at redhat.com

IPC::Open3::open3() does not collect child states after failed execve():

Reproducer:

$ perl -MIPC::Open3 -le 'for (1..10) { my ($in,
$out); eval { my $pid = open3($in, $out, "", "unknownprogram");
waitpid($pid, 0) }; } sleep 100'

Parallel process listing shows 10 zombies.

Reported to upstream
<https://rt.perl.org/rt3/Public/Bug/Display.html?id=114722> with a fix.

All Fedoras are affected (tested with perl-5.16.3-244.fc18.x86_64 and
perl-5.18.0-285.fc20.x86_64).

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