Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > gnu.bash.bug > #16201

Re: process substitution fd lifetime race condition

Path csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail
From "Jason A. Donenfeld" <Jason@zx2c4.com>
Newsgroups gnu.bash.bug
Subject Re: process substitution fd lifetime race condition
Date Mon, 20 Apr 2020 15:01:26 -0600
Lines 12
Approved bug-bash@gnu.org
Message-ID <mailman.833.1587416493.3066.bug-bash@gnu.org> (permalink)
References <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu> <CAHmME9p_n_W6721mY4=MWpKJvDTNsvEQbA9EB5chsrwyOzSgqw@mail.gmail.com>
NNTP-Posting-Host lists.gnu.org
Mime-Version 1.0
Content-Type text/plain; charset="UTF-8"
X-Trace usenet.stanford.edu 1587416494 16291 209.51.188.17 (20 Apr 2020 21:01:34 GMT)
X-Complaints-To action@cs.stanford.edu
Cc bug-bash@gnu.org
To chet.ramey@case.edu
Envelope-to bug-bash@gnu.org
DKIM-Signature v=1; a=rsa-sha1; c=relaxed; d=zx2c4.com; h=mime-version :in-reply-to:references:from:date:message-id:subject:to:cc :content-type; s=mail; bh=V/l/nWCMz4EJE7cB3ZAwwO1Wq5s=; b=OMHueW m1engYh8MD0P1Xs2+STeeNMdaGhEbm5ZeKSrbsx9fiPZM/S4r1ggXhMIlTdHvFc6 fgQhWQB5PLGjg7ilwZ3Vnvi9r8SbLqTXv0POC3B8zyx+7jHVQU0aD2SDuIk4hZ5V c+DrEIANRVbtI44KmKZ5WwchIk2eINohGz+M2akalB/8V978fWY9kpmfkP8t3yRy KV1N+uulHIt99y0wZ/feypD6VR8l/KMEekW3E4TuMp1u0Ekw1oS1kF0mTIs+wAI2 kV4YtVaT3gG8Z5E34t88RATgaVyoDgHLLkRwDnf8oS+f8LFftE9BiaH+UQmrdJ9k hAMrFjPlrQTc0M2Q==
X-Gm-Message-State AGi0PuYukvyMaoXVhn7gnqq9t19DiakeXwARI3YozAAWY52Db4CwdbU6 V8wdzKQk5cnjBUcPGW/vqz7WuLw3vPKE1AX1/nc=
X-Google-Smtp-Source APiQypL3UjKmzWHDv4ea6QTO/1mbDqCUYliBMeci1coOHvZrigopnY6poQB0xMcwZk5+8+cLABZ2iqOxcWUtakf5yLg=
X-Received by 2002:a6b:510d:: with SMTP id f13mr17735141iob.25.1587416487510; Mon, 20 Apr 2020 14:01:27 -0700 (PDT)
In-Reply-To <7496b183-2db3-6c03-6074-928adcd08f45@case.edu>
X-Gmail-Original-Message-ID <CAHmME9p_n_W6721mY4=MWpKJvDTNsvEQbA9EB5chsrwyOzSgqw@mail.gmail.com>
Received-SPF pass client-ip=192.95.5.64; envelope-from=Jason@zx2c4.com; helo=mail.zx2c4.com
X-detected-operating-system by eggs.gnu.org: First seen = 2020/04/20 17:01:28
X-ACL-Warn Detected OS = Linux 3.11 and newer
X-Received-From 192.95.5.64
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 <CAHmME9p_n_W6721mY4=MWpKJvDTNsvEQbA9EB5chsrwyOzSgqw@mail.gmail.com>
X-Mailman-Original-References <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu>
Xref csiph.com gnu.bash.bug:16201

Show key headers only | View raw


On 4/20/20, Chet Ramey <chet.ramey@case.edu> wrote:
> On 4/20/20 1:15 AM, Jason A. Donenfeld wrote:
>> Hi,
>>
>> I've uncovered a very unusual race condition when using process
>> substitution and developed as minimal a reproducer as I could create:
>
> What version of bash are you using?
>

5.0.016

Back to gnu.bash.bug | Previous | Next | Find similar


Thread

Re: process substitution fd lifetime race condition "Jason A. Donenfeld" <Jason@zx2c4.com> - 2020-04-20 15:01 -0600

csiph-web