[petsc-dev] Invalid read in PetscSubcommSetTypeGeneral

[Hong Zhang]

Stefano:

> Hong,
>
> currently in master there's an error in PetscSubcommSetTypeGeneral, namely
> in the loop starting at line 188
>
> for (i=0; i<2*size; i++) {    subsize[recvbuf[i]] = recvbuf[i+1];}
>
> recvbuf is allocated at line 178 as 2*size*sizeof(PetscMPIInt), and the
> loop tries to read at location 2*size
>
> Could you please fix it?
>

Hmm, your fix is correct.

Jed:
Can I fix it on master directly, or shall I do it on a branch?
Hong

>
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>
>
> --
>
> Ph. D. Stefano Zampini
> CINECA
> SuperComputing Applications and Innovations Department - SCAI
> Via dei Tizii, 6 00185 Roma - ITALY
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