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Fix validate args impl

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This commit is contained in:
Mattias Jansson
2025-10-26 14:48:21 +01:00
parent 620dd00980
commit 44bfb525d0
1 changed files with 8 additions and 2 deletions
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10
rpmalloc/rpmalloc.c
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@@ -187,6 +187,12 @@ madvise(caddr_t, size_t, int);
#define SPAN_SIZE (256 * 1024 * 1024)
#define SPAN_MASK (~((uintptr_t)(SPAN_SIZE - 1)))
#if ENABLE_VALIDATE_ARGS
//! Maximum allocation size to avoid integer overflow
#undef MAX_ALLOC_SIZE
#define MAX_ALLOC_SIZE (((size_t)-1) - SPAN_SIZE)
#endif
////////////
///
/// Utility macros
@@ -1959,7 +1965,7 @@ rprealloc(void* ptr, size_t size) {
extern RPMALLOC_ALLOCATOR void*
rpaligned_realloc(void* ptr, size_t alignment, size_t size, size_t oldsize, unsigned int flags) {
#if ENABLE_VALIDATE_ARGS
if ((size + alignment < size) || (alignment > _memory_page_size)) {
if ((size + alignment < size) || (alignment > SMALL_PAGE_SIZE)) {
errno = EINVAL;
return 0;
}
@@ -2396,7 +2402,7 @@ rpmalloc_heap_realloc(rpmalloc_heap_t* heap, void* ptr, size_t size, unsigned in
RPMALLOC_ALLOCATOR void*
rpmalloc_heap_aligned_realloc(rpmalloc_heap_t* heap, void* ptr, size_t alignment, size_t size, unsigned int flags) {
#if ENABLE_VALIDATE_ARGS
if ((size + alignment < size) || (alignment > _memory_page_size)) {
if ((size + alignment < size) || (alignment > SMALL_PAGE_SIZE)) {
errno = EINVAL;
return 0;
}