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[Bug fortran/34955] transfer_assumed_size_1.f90: Valgrind error: invalid read of size 3

From: "dfranke at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: 16 Mar 2008 13:01:47 -0000
Subject: [Bug fortran/34955] transfer_assumed_size_1.f90: Valgrind error: invalid read of size 3
References: <bug-34955-13404@http.gcc.gnu.org/bugzilla/>
Reply-to: gcc-bugzilla at gcc dot gnu dot org


------- Comment #4 from dfranke at gcc dot gnu dot org  2008-03-16 13:01 -------
$> gfortran-svn -v
Target: i686-pc-linux-gnu
gcc version 4.4.0 20080315 (experimental) (GCC)

$> gfortran-svn -g -Wall -W transfer_assumed_size_1.f90 
$> valgrind --tool=memcheck --leak-check=full a.out
[...]
==6291== Invalid read of size 1
==6291==    at 0x4023A83: memmove (mc_replace_strmem.c:516)
==6291==    by 0x8048C12: __transferbug_MOD_bytestostring
(transfer_assumed_size_1.f90:31)
==6291==    by 0x80493A0: MAIN__ (transfer_assumed_size_1.f90:41)
==6291==    by 0x80494A8: main (fmain.c:21)
==6291==  Address 0x425067b is 13 bytes before a block of size 2 free'd
==6291==    at 0x402248F: free (vg_replace_malloc.c:323)
==6291==    by 0x804912E: __transferbug_MOD_stringtobytes
(transfer_assumed_size_1.f90:21)
==6291==    by 0x8049383: MAIN__ (transfer_assumed_size_1.f90:41)
==6291==    by 0x80494A8: main (fmain.c:21)
==6291==
==6291== Invalid read of size 1
==6291==    at 0x4023A90: memmove (mc_replace_strmem.c:516)
==6291==    by 0x8048C12: __transferbug_MOD_bytestostring
(transfer_assumed_size_1.f90:31)
==6291==    by 0x80493A0: MAIN__ (transfer_assumed_size_1.f90:41)
==6291==    by 0x80494A8: main (fmain.c:21)
==6291==  Address 0x4250679 is 15 bytes before a block of size 2 free'd
==6291==    at 0x402248F: free (vg_replace_malloc.c:323)
==6291==    by 0x804912E: __transferbug_MOD_stringtobytes
(transfer_assumed_size_1.f90:21)
==6291==    by 0x8049383: MAIN__ (transfer_assumed_size_1.f90:41)
==6291==    by 0x80494A8: main (fmain.c:21)
[...]


-- 

dfranke at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dfranke at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34955

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