Path: csiph.com!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail
From: Greg Wooledge <wooledg@eeg.ccf.org>
Newsgroups: gnu.bash.bug
Subject: Re: command_not_found_handle() flaw
Date: Tue, 10 Mar 2020 16:04:29 -0400
Lines: 13
Approved: bug-bash@gnu.org
Message-ID: <mailman.2430.1583870674.2412.bug-bash@gnu.org>
References: <CAJOr74gyTOEnYNCG3EPAVJq5VkmJxJ_9tv_TwbmKPBGugdvnWw@mail.gmail.com> <7900c11e-7c5c-1b2b-2ed5-7203bd73c2a9@case.edu> <CAJOr74gZy--_utO8JA8SY8je+tCgfpRZfX_6rkn31euPx2Jbkg@mail.gmail.com> <20200310200429.GB845@eeg.ccf.org>
NNTP-Posting-Host: lists.gnu.org
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
X-Trace: usenet.stanford.edu 1583870674 28009 209.51.188.17 (10 Mar 2020 20:04:34 GMT)
X-Complaints-To: action@cs.stanford.edu
To: bug-bash@gnu.org
Envelope-to: bug-bash@gnu.org
Mail-Followup-To: bug-bash@gnu.org
Content-Disposition: inline
In-Reply-To: <CAJOr74gZy--_utO8JA8SY8je+tCgfpRZfX_6rkn31euPx2Jbkg@mail.gmail.com>
User-Agent: Mutt/1.10.1 (2018-07-13)
X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy]
X-Received-From: 139.137.100.1
X-BeenThere: bug-bash@gnu.org
X-Mailman-Version: 2.1.23
Precedence: list
List-Id: Bug reports for the GNU Bourne Again SHell <bug-bash.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=unsubscribe>
List-Archive: <https://lists.gnu.org/archive/html/bug-bash>
List-Post: <mailto:bug-bash@gnu.org>
List-Help: <mailto:bug-bash-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/bug-bash>, <mailto:bug-bash-request@gnu.org?subject=subscribe>
X-Mailman-Original-Message-ID: <20200310200429.GB845@eeg.ccf.org>
X-Mailman-Original-References: <CAJOr74gyTOEnYNCG3EPAVJq5VkmJxJ_9tv_TwbmKPBGugdvnWw@mail.gmail.com> <7900c11e-7c5c-1b2b-2ed5-7203bd73c2a9@case.edu> <CAJOr74gZy--_utO8JA8SY8je+tCgfpRZfX_6rkn31euPx2Jbkg@mail.gmail.com>
Xref: csiph.com gnu.bash.bug:16012

On Tue, Mar 10, 2020 at 08:57:26PM +0100, Phi Debian wrote:
> Secondly, if yuio insist on going on the subshell path, then $$ and $PPID
> ought to be setup appropriately, here ther are plain bogus.

wooledg:~$ command_not_found_handle() { echo "\$\$=$$ BASHPID=$BASHPID"; }
wooledg:~$ echo "\$\$=$$ BASHPID=$BASHPID"
$$=859 BASHPID=859
wooledg:~$ wyeiruwyer
$$=859 BASHPID=15619

It looks correct to me.  $$ is the PID of the main script, and $BASHPID
is the PID of the subshell.