From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 14A19385781A; Tue, 23 Mar 2021 02:11:04 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 14A19385781A
From: "kargl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/99711] Crash when reading an allocated character array
 in namelist
Date: Tue, 23 Mar 2021 02:11:03 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: fortran
X-Bugzilla-Version: 10.2.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: kargl at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: INVALID
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: cc
Message-ID: <bug-99711-4-Uz3proxb8D@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-99711-4@http.gcc.gnu.org/bugzilla/>
References: <bug-99711-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Tue, 23 Mar 2021 02:11:04 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99711

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |kargl at gcc dot gnu.org

--- Comment #2 from kargl at gcc dot gnu.org ---
(In reply to Jerry DeLisle from comment #1)
> F2018 standard section 13.10.3 List-directed Input
>=20
> There is a note NOTE 13.29 at the end of the first sub-section 13.10.3.1"
>=20
> "An allocatable, deferred-length character effective item does not have i=
ts
> allocation status or allocated length changed as a result of list-directed
> input."
>=20
> This implies that if the strings of the array are not already allocated t=
o a
> resonable length, for example a string of blanks, then the read will atte=
mpt
> to transfer the file contents into unallocated strings.

Doesn't the line

 allocate( character(len=3D10) :: cbulist_ru(5) )

that is the first executable statement in the program
allocate an array of 5 strings with length 10?=