[🔨 compilation issue] memset compile warnings

[nyue]

In member function ‘void drjit::Texture<Value_, Dimension_>::init(const size_t*, size_t, bool, drjit::FilterMode, drjit::WrapMode, bool) [with Value = float; long unsigned int Dimension = 2]’:
cc1plus: warning: ‘void* __builtin_memset(void*, int, long unsigned int)’ specified bound 18446744073709551612 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
[242/243] Building CXX object src/volumes/CMakeFiles/gridvolume.dir/grid.cpp.o
In member function ‘void drjit::Texture<Value_, Dimension_>::init(const size_t*, size_t, bool, drjit::FilterMode, drjit::WrapMode, bool) [with Value = float; long unsigned int Dimension = 3]’:
cc1plus: warning: ‘void* __builtin_memset(void*, int, long unsigned int)’ specified bound 18446744073709551612 exceeds maximum object size 9223372036854775807 [-Wstringop-overflow=]
[243/243] Linking CXX shared library plugins/gridvolume.so

Summary

String overflow compilation warning may become potential security issue, hence reporting it.

System configuration

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• Platform: ...
• Ubuntu 18.04
• Compiler: ...
• GCC 9.3.0
• Python version: ...
• Not building with Python integration, just C++
• Mitsuba 3 version: ...
• Compiled variants:
  • scalar_rgb
  • ...

Description

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Steps to reproduce

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1. ...
2. ...