From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id EE528385DC34; Mon, 13 Apr 2020 03:02:13 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EE528385DC34 From: "dpmendenhall at gmail dot com" To: glibc-bugs-regex@sourceware.org Subject: [Bug regex/25814] Consecutive + operators accepted but have no effect except consuming more memory Date: Mon, 13 Apr 2020 03:02:13 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: glibc X-Bugzilla-Component: regex X-Bugzilla-Version: 2.27 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dpmendenhall at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at sourceware dot org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://sourceware.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: glibc-bugs-regex@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-bugs-regex mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Apr 2020 03:02:14 -0000 https://sourceware.org/bugzilla/show_bug.cgi?id=3D25814 --- Comment #5 from David Mendenhall --- > POSIX says that multiple adjacent duplication symbols produce undefined r= esults (both BRE and ERE). Thanks for pointing this out. I was unaware. So do you think this bug should be closed as INVALID or WONTFIX, or is there value in investigating the excessive memory consumption and/or rejecting on compilation like bionic does? --=20 You are receiving this mail because: You are on the CC list for the bug.=