[valgrind] [Bug 367718] a part of the code causes a segfault in fortran 90 gfortran

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=367718

--- Comment #2 from be...@subatech.in2p3.fr ---
(In reply to Julian Seward from comment #1)
> (In reply to besse from comment #0)
> 
> 
> The problem is almost certainly the errors shown below.  You are using
> memory that has already been freed.
> 

I know that is a problem of memory. But technically, i don't see or know how to
fix that.

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[valgrind] [Bug 367718] a part of the code causes a segfault in fortran 90 gfortran

[Julian Seward via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=367718

--- Comment #1 from Julian Seward  ---
(In reply to besse from comment #0)

> I debugged the program on a single iteration with valgrind and gdb and no
> problem is appeared. 

The problem is almost certainly the errors shown below.  You are using
memory that has already been freed.

> ==8141== Invalid read of size 8
> ==8141==at 0x4661DB: select_ (select.f:548)
> ==8141==by 0x403746: analyse_ (analyse.f:344)
> ==8141==by 0x44A17C: integration1_ (integration1.f:1157)
> ==8141==by 0x40F87C: dyngcs_ (dyngcs.f:318)
> ==8141==by 0x410CA3: MAIN__ (dywan.f:108)
> ==8141==by 0x401209: main (in
> /scratch/theoric/besse/SIMULATIONS_EN_COURS/QLOB/run)
> ==8141==  Address 0x9e43d78 is 648 bytes inside a block of size 760 free'd
> ==8141==at 0x4A063F0: free (vg_replace_malloc.c:446)
> ==8141==by 0x455DC0: percolationalpha_ (percolationalpha.f:7)
> ==8141==by 0x4598DB: percolation_ (percolation.f:302)
> ==8141==by 0x404A08: cluster1_ (cluster1.f:84)
> ==8141==by 0x4660B7: select_ (select.f:478)
> ==8141==by 0x403746: analyse_ (analyse.f:344)
> ==8141==by 0x44A17C: integration1_ (integration1.f:1157)
> ==8141==by 0x40F87C: dyngcs_ (dyngcs.f:318)
> ==8141==by 0x410CA3: MAIN__ (dywan.f:108)
> ==8141==by 0x401209: main (in
> /scratch/theoric/besse/SIMULATIONS_EN_COURS/QLOB/run)
> ==8141== 
> ==8141== Invalid write of size 8
> ==8141==at 0x4661F0: select_ (select.f:548)
> ==8141==by 0x403746: analyse_ (analyse.f:344)
> ==8141==by 0x44A17C: integration1_ (integration1.f:1157)
> ==8141==by 0x40F87C: dyngcs_ (dyngcs.f:318)
> ==8141==by 0x410CA3: MAIN__ (dywan.f:108)
> ==8141==by 0x401209: main (in
> /scratch/theoric/besse/SIMULATIONS_EN_COURS/QLOB/run)
> ==8141==  Address 0x9e43d78 is 648 bytes inside a block of size 760 free'd
> ==8141==at 0x4A063F0: free (vg_replace_malloc.c:446)
> ==8141==by 0x455DC0: percolationalpha_ (percolationalpha.f:7)
> ==8141==by 0x4598DB: percolation_ (percolation.f:302)
> ==8141==by 0x404A08: cluster1_ (cluster1.f:84)
> ==8141==by 0x4660B7: select_ (select.f:478)
> ==8141==by 0x403746: analyse_ (analyse.f:344)
> ==8141==by 0x44A17C: integration1_ (integration1.f:1157)
> ==8141==by 0x40F87C: dyngcs_ (dyngcs.f:318)
> ==8141==by 0x410CA3: MAIN__ (dywan.f:108)
> ==8141==by 0x401209: main (in
> /scratch/theoric/besse/SIMULATIONS_EN_COURS/QLOB/run)

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[valgrind] [Bug 367718] a part of the code causes a segfault in fortran 90 gfortran

[Julian Seward via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=367718

Julian Seward  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |INVALID

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