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* [Bug fortran/14565] New: [gfortran] formatted write to an un-opened unit causes a segv
@ 2004-03-13 2:14 bdavis9659 at comcast dot net
2004-03-13 18:55 ` [Bug libfortran/14565] " pinskia at gcc dot gnu dot org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: bdavis9659 at comcast dot net @ 2004-03-13 2:14 UTC (permalink / raw)
To: gcc-bugs
short example to demonstrate:
WRITE(99,100) 1
100 FORMAT(I4)
END
$ gfortran x.f
$ ./a.out
Segmentation fault (core dumped)
$ g77 x.f
$ ./a.out
$ cat fort.99
1
$ gfortran --version
GNU Fortran 95 (GCC 3.5-tree-ssa 20040311 (merged 20040307))
--
Summary: [gfortran] formatted write to an un-opened unit causes
a segv
Product: gcc
Version: tree-ssa
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: bdavis9659 at comcast dot net
CC: gcc-bugs at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14565
^ permalink raw reply [flat|nested] 6+ messages in thread* [Bug libfortran/14565] [gfortran] formatted write to an un-opened unit causes a segv 2004-03-13 2:14 [Bug fortran/14565] New: [gfortran] formatted write to an un-opened unit causes a segv bdavis9659 at comcast dot net @ 2004-03-13 18:55 ` pinskia at gcc dot gnu dot org 2004-03-16 1:34 ` pinskia at gcc dot gnu dot org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-03-13 18:55 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-03-13 18:55 ------- Confirmed. Here is the backtrace: #0 0x00000000 in ?? () Cannot access memory at address 0x0 Cannot access memory at address 0x0 #1 0x0015fadc in _gfortran_transfer_integer (p=0xbffffbd8, kind=4) at /Users/pinskia/src/gcc-tree- ssa/gcc/libgfortran/io/transfer.c:743 #2 0x00001d2c in MAIN__ () #3 0x00001d5c in main (argc=1, argv=0xbffffbd8) at /Users/pinskia/src/gcc-tree-ssa/gcc/ libgfortran/fmain.c:18 -- What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Component|fortran |libfortran Ever Confirmed| |1 Last reconfirmed|0000-00-00 00:00:00 |2004-03-13 18:55:27 date| | Target Milestone|--- |tree-ssa http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14565 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libfortran/14565] [gfortran] formatted write to an un-opened unit causes a segv 2004-03-13 2:14 [Bug fortran/14565] New: [gfortran] formatted write to an un-opened unit causes a segv bdavis9659 at comcast dot net 2004-03-13 18:55 ` [Bug libfortran/14565] " pinskia at gcc dot gnu dot org @ 2004-03-16 1:34 ` pinskia at gcc dot gnu dot org 2004-03-26 15:24 ` pinskia at gcc dot gnu dot org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-03-16 1:34 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-03-16 01:34 ------- The problem is transfer is NULL to begin with, one way of fixing this is to make a transfer for when something has not been opened yet. -- What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed|2004-03-13 18:55:27 |2004-03-16 01:34:15 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14565 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libfortran/14565] [gfortran] formatted write to an un-opened unit causes a segv 2004-03-13 2:14 [Bug fortran/14565] New: [gfortran] formatted write to an un-opened unit causes a segv bdavis9659 at comcast dot net 2004-03-13 18:55 ` [Bug libfortran/14565] " pinskia at gcc dot gnu dot org 2004-03-16 1:34 ` pinskia at gcc dot gnu dot org @ 2004-03-26 15:24 ` pinskia at gcc dot gnu dot org 2004-04-01 1:13 ` cvs-commit at gcc dot gnu dot org 2004-04-01 1:31 ` pbrook at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: pinskia at gcc dot gnu dot org @ 2004-03-26 15:24 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-03-26 15:24 ------- Patch here: <http://gcc.gnu.org/ml/gcc-patches/2004-03/msg02163.html>. Thanks for the bug and the patch. -- What |Removed |Added ---------------------------------------------------------------------------- Keywords| |patch http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14565 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libfortran/14565] [gfortran] formatted write to an un-opened unit causes a segv 2004-03-13 2:14 [Bug fortran/14565] New: [gfortran] formatted write to an un-opened unit causes a segv bdavis9659 at comcast dot net ` (2 preceding siblings ...) 2004-03-26 15:24 ` pinskia at gcc dot gnu dot org @ 2004-04-01 1:13 ` cvs-commit at gcc dot gnu dot org 2004-04-01 1:31 ` pbrook at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu dot org @ 2004-04-01 1:13 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From cvs-commit at gcc dot gnu dot org 2004-04-01 01:13 ------- Subject: Bug 14565 CVSROOT: /cvs/gcc Module name: gcc Branch: tree-ssa-20020619-branch Changes by: pbrook@gcc.gnu.org 2004-04-01 01:13:33 Modified files: gcc/testsuite : ChangeLog.tree-ssa libgfortran : ChangeLog libgfortran/io : io.h open.c rewind.c transfer.c Log message: PR gfortran/14565 * io/open.c (new_unit), * io/io.h : new_unit is now visible * io/transfer.c (data_transfer_init): open unit if no OPEN statement. * io/transfer.c (data_transfer_init): remove compile warnings. * io/rewind.c (st_rewind): ftruncate if writing. testsuite * gfortran.fortran-torture/execute/unopened_unit_1.f90: New test. Patches: http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.tree-ssa.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.203&r2=1.1.2.204 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/ChangeLog.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.35&r2=1.1.2.36 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/io/io.h.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.6&r2=1.1.2.7 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/io/open.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.5&r2=1.1.2.6 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/io/rewind.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.2&r2=1.1.2.3 http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/libgfortran/io/transfer.c.diff?cvsroot=gcc&only_with_tag=tree-ssa-20020619-branch&r1=1.1.2.9&r2=1.1.2.10 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14565 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug libfortran/14565] [gfortran] formatted write to an un-opened unit causes a segv 2004-03-13 2:14 [Bug fortran/14565] New: [gfortran] formatted write to an un-opened unit causes a segv bdavis9659 at comcast dot net ` (3 preceding siblings ...) 2004-04-01 1:13 ` cvs-commit at gcc dot gnu dot org @ 2004-04-01 1:31 ` pbrook at gcc dot gnu dot org 4 siblings, 0 replies; 6+ messages in thread From: pbrook at gcc dot gnu dot org @ 2004-04-01 1:31 UTC (permalink / raw) To: gcc-bugs ------- Additional Comments From pbrook at gcc dot gnu dot org 2004-04-01 01:31 ------- Fixed. -- What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |FIXED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14565 ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2004-04-01 1:31 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2004-03-13 2:14 [Bug fortran/14565] New: [gfortran] formatted write to an un-opened unit causes a segv bdavis9659 at comcast dot net 2004-03-13 18:55 ` [Bug libfortran/14565] " pinskia at gcc dot gnu dot org 2004-03-16 1:34 ` pinskia at gcc dot gnu dot org 2004-03-26 15:24 ` pinskia at gcc dot gnu dot org 2004-04-01 1:13 ` cvs-commit at gcc dot gnu dot org 2004-04-01 1:31 ` pbrook at gcc dot gnu dot org
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