Path: csiph.com!xmission!news.snarked.org!news.linkpendium.com!news.linkpendium.com!panix!usenet.stanford.edu!not-for-mail From: "Jason A. Donenfeld" 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: References: <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu> 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: 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 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Mailman-Original-Message-ID: X-Mailman-Original-References: <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu> Xref: csiph.com gnu.bash.bug:16201 On 4/20/20, Chet Ramey 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