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zero out fix external local data when allocated to avoid uninitialized data access

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This commit is contained in:
Axel Kohlmeyer
2023-04-18 09:53:01 -04:00
parent 43cf7e9094
commit fcea2cc5b5
1 changed files with 2 additions and 0 deletions
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2
src/fix_external.cpp
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@ -65,6 +65,7 @@ FixExternal::FixExternal(LAMMPS *lmp, int narg, char **arg) :
atom->add_callback(Atom::GROW);
user_energy = 0.0;
memset(user_virial, 0, sizeof(user_virial));
// optional vector of values provided by caller
// vector_flag and size_vector are setup via set_vector_length()
@ -321,6 +322,7 @@ double FixExternal::memory_usage()
void FixExternal::grow_arrays(int nmax)
{
memory->grow(fexternal,nmax,3,"external:fexternal");
memset(&fexternal[0][0], 0, sizeof(double)*3*nmax);
}
/* ----------------------------------------------------------------------