Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > gnu.bash.bug > #16207
| Path | csiph.com!goblin1!goblin.stu.neva.ru!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 15:56:40 -0600 |
| Lines | 22 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.842.1587419816.3066.bug-bash@gnu.org> (permalink) |
| References | <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu> <CAHmME9p_n_W6721mY4=MWpKJvDTNsvEQbA9EB5chsrwyOzSgqw@mail.gmail.com> <e6560e95-7d3f-4651-ebbb-147c82c2dbd8@case.edu> <CAHmME9pSGcv6-b6oDjJzDi5ar7a6o19-MKBix4UofQn=khRvKg@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 1587419817 18245 209.51.188.17 (20 Apr 2020 21:56:57 GMT) |
| X-Complaints-To | action@cs.stanford.edu |
| Cc | bug-bash@gnu.org |
| To | Chester Ramey <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 :references:in-reply-to:from:date:message-id:subject:to:cc :content-type; s=mail; bh=7GPTMp7GCdfKqcB+9VxzXriQBNg=; b=iAo5pf 2qa8n5wGxEJv53rdY7JakkcLiRHJKmTNBlpEWhWPvrauVfbeC+rbURgQVCittOkz b9hD/i+miAadlrzPLMFgFcKwklGdTnZRtAowjXAOBNLpfuvBkendKQVBJEM/sjMW 8OteVbT0ozMz+R15yiw16kPCBAFAky5Zmt/n+rCvEdbwgKYnjCl3sco8oVBN75eY SbPQSMPxN5PuolovkcZUum3SYBavW9qdzU6VIS9HkyCby2vJWLfIcSdQTDiHmOIR fJq9Bpuod6t/6rk3ccHe+reM7g381mTMmta3VHnWVRQnSjlwGdDHXKwTrlERLxJx Ejphxj+C3Whca26w== |
| X-Gm-Message-State | AGi0PuZY+m5gfsUIsxm5S1NL/hXE4mEWadB6EZloIw6Mwq1l9s0Y06FV +Ou1qITAzyH0w0F4DohbJIduEBl/ziS0YPa30cU= |
| X-Google-Smtp-Source | APiQypLlwMAqdWP2oUxvJ8AFK4GOusdq9990VLXsm+cPCodISNpkndGl5QOcMvQahyX5KO+ZcsxhV6O/UYTJUcfim2A= |
| X-Received | by 2002:a5e:9401:: with SMTP id q1mr15850435ioj.80.1587419811582; Mon, 20 Apr 2020 14:56:51 -0700 (PDT) |
| In-Reply-To | <e6560e95-7d3f-4651-ebbb-147c82c2dbd8@case.edu> |
| X-Gmail-Original-Message-ID | <CAHmME9pSGcv6-b6oDjJzDi5ar7a6o19-MKBix4UofQn=khRvKg@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 | <CAHmME9pSGcv6-b6oDjJzDi5ar7a6o19-MKBix4UofQn=khRvKg@mail.gmail.com> |
| X-Mailman-Original-References | <20200420051508.GA2359844@zx2c4.com> <7496b183-2db3-6c03-6074-928adcd08f45@case.edu> <CAHmME9p_n_W6721mY4=MWpKJvDTNsvEQbA9EB5chsrwyOzSgqw@mail.gmail.com> <e6560e95-7d3f-4651-ebbb-147c82c2dbd8@case.edu> |
| Xref | csiph.com gnu.bash.bug:16207 |
Show key headers only | View raw
On Mon, Apr 20, 2020 at 3:49 PM Chet Ramey <chet.ramey@case.edu> wrote: > > On 4/20/20 5:01 PM, Jason A. Donenfeld wrote: > > 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 > > See if the patch in this message helps things. I'm skeptical, but give it > a try. > > https://lists.gnu.org/archive/html/bug-bash/2020-04/msg00018.html Actually, it seems to work indeed... So far I can't repro with that.
Back to gnu.bash.bug | Previous | Next | Find similar
Re: process substitution fd lifetime race condition "Jason A. Donenfeld" <Jason@zx2c4.com> - 2020-04-20 15:56 -0600
csiph-web