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* [Bug fortran/58803] New: free_components deallocates twice pointer p->tb at symbol.c:2068
@ 2013-10-19 9:11 zeccav at gmail dot com
2013-10-21 19:39 ` [Bug fortran/58803] Proc-pointer component: " burnus at gcc dot gnu.org
2013-10-21 19:39 ` burnus at gcc dot gnu.org
0 siblings, 2 replies; 3+ messages in thread
From: zeccav at gmail dot com @ 2013-10-19 9:11 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58803
Bug ID: 58803
Summary: free_components deallocates twice pointer p->tb at
symbol.c:2068
Product: gcc
Version: 4.8.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: zeccav at gmail dot com
! free_components deallocates twice pointer p->tb at symbol.c:2068
! you may double check with "export MALLOC_CHECK_=2"
type t
procedure(real), pointer, nopass :: f1, f2
end type
end
*** Error in
`/home/vitti/local/gcc-4.8.2/libexec/gcc/x86_64-unknown-linux-gnu/4.8.2/f951':
free(): invalid pointer: 0x0000000002150b00 ***
with export MALLOC_CHECK_=2 I get the following
[vitti f95]$gfortran gfbug98.f
gfbug98.f:6:0: internal compiler error: Aborted
end
^
0x869b1f crash_signal
../../gcc-4.8.2/gcc/toplev.c:332
0x581eb0 free_components
../../gcc-4.8.2/gcc/fortran/symbol.c:2068
0x581eb0 gfc_free_symbol(gfc_symbol*)
../../gcc-4.8.2/gcc/fortran/symbol.c:2496
0x582063 free_sym_tree
../../gcc-4.8.2/gcc/fortran/symbol.c:3302
0x58205a free_sym_tree
../../gcc-4.8.2/gcc/fortran/symbol.c:3300
0x582051 free_sym_tree
../../gcc-4.8.2/gcc/fortran/symbol.c:3299
0x581d1a gfc_free_namespace(gfc_namespace*)
../../gcc-4.8.2/gcc/fortran/symbol.c:3465
0x5822cf gfc_symbol_done_2()
../../gcc-4.8.2/gcc/fortran/symbol.c:3507
0x53f288 gfc_done_2()
../../gcc-4.8.2/gcc/fortran/misc.c:267
0x5527f9 translate_all_program_units
../../gcc-4.8.2/gcc/fortran/parse.c:4493
0x5527f9 gfc_parse_file()
../../gcc-4.8.2/gcc/fortran/parse.c:4688
0x58e195 gfc_be_parse_file
../../gcc-4.8.2/gcc/fortran/f95-lang.c:189
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug fortran/58803] Proc-pointer component: free_components deallocates twice pointer p->tb at symbol.c:2068
2013-10-19 9:11 [Bug fortran/58803] New: free_components deallocates twice pointer p->tb at symbol.c:2068 zeccav at gmail dot com
@ 2013-10-21 19:39 ` burnus at gcc dot gnu.org
2013-10-21 19:39 ` burnus at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: burnus at gcc dot gnu.org @ 2013-10-21 19:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58803
--- Comment #2 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Author: burnus
Date: Mon Oct 21 19:39:19 2013
New Revision: 203909
URL: http://gcc.gnu.org/viewcvs?rev=203909&root=gcc&view=rev
Log:
2013-10-21 Tobias Burnus <burnus@net-b.de>
PR fortran/58803
* decl.c (match_ppc_decl): Prevent later
double free.
2013-10-21 Tobias Burnus <burnus@net-b.de>
PR fortran/58803
* gfortran.dg/proc_ptr_comp_38.f90: New.
Added:
trunk/gcc/testsuite/gfortran.dg/proc_ptr_comp_38.f90
Modified:
trunk/gcc/fortran/ChangeLog
trunk/gcc/fortran/decl.c
trunk/gcc/testsuite/ChangeLog
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug fortran/58803] Proc-pointer component: free_components deallocates twice pointer p->tb at symbol.c:2068
2013-10-19 9:11 [Bug fortran/58803] New: free_components deallocates twice pointer p->tb at symbol.c:2068 zeccav at gmail dot com
2013-10-21 19:39 ` [Bug fortran/58803] Proc-pointer component: " burnus at gcc dot gnu.org
@ 2013-10-21 19:39 ` burnus at gcc dot gnu.org
1 sibling, 0 replies; 3+ messages in thread
From: burnus at gcc dot gnu.org @ 2013-10-21 19:39 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58803
Tobias Burnus <burnus at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |FIXED
--- Comment #3 from Tobias Burnus <burnus at gcc dot gnu.org> ---
FIXED on the trunk (4.9).
Thanks for the report!
^ permalink raw reply [flat|nested] 3+ messages in thread
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2013-10-19 9:11 [Bug fortran/58803] New: free_components deallocates twice pointer p->tb at symbol.c:2068 zeccav at gmail dot com
2013-10-21 19:39 ` [Bug fortran/58803] Proc-pointer component: " burnus at gcc dot gnu.org
2013-10-21 19:39 ` burnus at gcc dot gnu.org
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