Incorrect normal maps rendered using AOV integrator with `normalmap` BSDF

[stymbhrdwj]

Summary

I am trying to render normal maps after applying a normal texture on the object using normalmap BSDF with the sh_normal variable of the AOV integrator. Below is the desired normal map

However, I am getting this normal map

System configuration

System information:

OS: Ubuntu 20.04.6 LTS CPU: Intel(R) Core(TM) i9-14900K GPU: NVIDIA RTX A5000 NVIDIA GeForce RTX 4090 Python: 3.11.8 (main, Feb 26 2024, 21:39:34) [GCC 11.2.0] NVidia driver: 535.183.01 CUDA: 12.2.91 LLVM: 12.0.0

Dr.Jit: 0.4.6 Mitsuba: 3.5.2 Is custom build? True Compiled with: Clang 10.0.0 Variants: scalar_rgb scalar_spectral cuda_rgb cuda_ad_rgb cuda_mono cuda_ad_mono llvm_rgb llvm_ad_rgb llvm_mono llvm_ad_mono cuda_rgb_polarized cuda_ad_rgb_polarized cuda_mono_polarized cuda_ad_mono_polarized