PrescribedFields crashes with AMcylindrical geometry

[rho-novatron]

Description

Applying PrescribedFields to a simulation with AMcylindrical geometry crashes, due to faulty cloning logic in ElectroMagnFactory::create() and ElectroMagnFactory::clone()

Steps to reproduce the problem

Stack trace (most recent call last):
#8 Object "[0xffffffffffffffff]", at 0xffffffffffffffff, in
#7 Object "../../Smilei/smilei", at 0x5562ba5d0e49, in _start
#6 Object "/lib/x86_64-linux-gnu/libc.so.6", at 0x7f5a68c4a7fc, in __libc_start_main
#5 Object "../../Smilei/smilei", at 0x5562baee98c1, in main
#4 Object "../../Smilei/smilei", at 0x5562baeee3d4, in PatchesFactory::createVector(VectorPatch&, Params&, SmileiMPI*, OpenPMDparams&, RadiationTables*, unsigned int, unsigned int)
#3 Object "../../Smilei/smilei", at 0x5562bad98e67, in PatchesFactory::create(Params&, SmileiMPI*, DomainDecomposition*, unsigned int, unsigned int)
#2 Object "../../Smilei/smilei", at 0x5562bae33c61, in PatchAM::PatchAM(Params&, SmileiMPI*, DomainDecomposition*, unsigned int, unsigned int)
#1 Object "../../Smilei/smilei", at 0x5562badc0808, in Patch::finishCreation(Params&, SmileiMPI*, DomainDecomposition*)
#0 Object "../../Smilei/smilei", at 0x5562badf4e91, in ElectroMagnFactory::create(Params&, DomainDecomposition*, std::vector<Species*, std::allocator<Species*> >&, Patch*)
Segmentation fault (Address not mapped to object [(nil)])
Segmentation fault

Parameters

• Smilei version
  Latest master (8877fbc)
• Input file
  benchmarks/tstAM_00_em_propagation.py with the line

PrescribedField(field = 'Bl_m_mode_0', profile = lambda l,r,*args: 1)

added at the end.

• Commands or script used to run the faulty simulation ?

rho@louie:~/git/Smilei/benchmarks$ ../smilei tstAM_00_em_propagation.py 

• Computing resources
  • workstation with 64 GB ram and AMD Ryzen 7 3700X 8-Core Processor
  • Debian 12
  • C++ compiler g++ (Debian 11.3.0-3) 11.3.0
  • MPI version 4.1.4-1
  • HDF5 version 1.10.7
  • Python version 3.9.12