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use physical memory in kib to avoid overflow of size_t (issue #1010)

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daanx 2025-02-11 09:12:29 -08:00
parent 78dd3f0e38
commit ec4aa62b65
4 changed files with 18 additions and 18 deletions
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2
src/prim/unix/prim.c
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@ -143,7 +143,7 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
#if defined(_SC_PHYS_PAGES)
long pphys = sysconf(_SC_PHYS_PAGES);
if (pphys > 0 && (size_t)pphys < (SIZE_MAX/(size_t)psize)) {
config->physical_memory = (size_t)pphys * (size_t)psize;
config->physical_memory_in_kib = (size_t)pphys * ((size_t)psize / MI_KiB);
}
#endif
}

4
src/prim/windows/prim.c
View file

@ -155,7 +155,7 @@ void _mi_prim_mem_init( mi_os_mem_config_t* config )
ULONGLONG memInKiB = 0;
if ((*pGetPhysicallyInstalledSystemMemory)(&memInKiB)) {
if (memInKiB > 0 && memInKiB < (SIZE_MAX / MI_KiB)) {
config->physical_memory = (size_t)memInKiB * MI_KiB;
config->physical_memory_in_kib = memInKiB;
}
}
}
@ -643,7 +643,7 @@ static void NTAPI mi_win_main(PVOID module, DWORD reason, LPVOID reserved) {
}
else if (reason==DLL_THREAD_DETACH && !_mi_is_redirected()) {
_mi_thread_done(NULL);
}
}
}