Additional overflow protection for MAP/ATTR #909

Job	Run time
Installation tests	20s
Windows (Cygwin)	2m 44s
RDMA support enabled	27s
macOS	49s
Build for 32-bit	39s
Windows (MinGW64)	1m 27s
Build with make	5m 8s
Windows	5m 17s
Build with CMake and leak-sanitizer [gcc-15, cmake-4.2, RelWithDebInfo]	4m 28s
Build with CMake [gcc-9, cmake-3.13, Release]	3m 1s
Build with CMake and address-sanitizer [clang-22, cmake-4.2, RelWithDebInfo]	3m 20s
Build with CMake [clang-22, cmake-4.2, Release]	2m 55s
Build with CMake and thread-sanitizer [gcc-15, cmake-4.2, RelWithDebInfo]	4m 37s
Build with CMake and address-sanitizer [gcc-15, cmake-4.2, RelWithDebInfo]	4m 43s
Run static checkers	30s
CMake 3.7.0 (min. required)	19s
Build with CMake and leak-sanitizer [clang-22, cmake-4.2, RelWithDebInfo]	3m 20s
Build with CMake [clang-14, cmake-3.13, Release]	2m 50s
Build with CMake and undefined-sanitizer [gcc-15, cmake-4.2, RelWithDebInfo]	4m 16s
Build with CMake and undefined-sanitizer [clang-22, cmake-4.2, RelWithDebInfo]	3m 4s
Build with CMake [gcc-15, cmake-4.2, Release]	4m 29s
Build with CMake and thread-sanitizer [clang-22, cmake-4.2, RelWithDebInfo]	3m 8s
	1h 1m 51s

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