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use volatile pointers for intentional-crash code.
[musl]
/
src
/
malloc
/
malloc.c
diff --git
a/src/malloc/malloc.c
b/src/malloc/malloc.c
index
bc8382e
..
1a1a51f
100644
(file)
--- a/
src/malloc/malloc.c
+++ b/
src/malloc/malloc.c
@@
-395,7
+395,7
@@
void *realloc(void *p, size_t n)
size_t oldlen = n0 + extra;
size_t newlen = n + extra;
/* Crash on realloc of freed chunk */
size_t oldlen = n0 + extra;
size_t newlen = n + extra;
/* Crash on realloc of freed chunk */
- if ((uintptr_t)base < mal.brk) *(char *)0=0;
+ if ((uintptr_t)base < mal.brk) *(
volatile
char *)0=0;
if (newlen < PAGE_SIZE && (new = malloc(n))) {
memcpy(new, p, n-OVERHEAD);
free(p);
if (newlen < PAGE_SIZE && (new = malloc(n))) {
memcpy(new, p, n-OVERHEAD);
free(p);
@@
-458,7
+458,7
@@
void free(void *p)
char *base = (char *)self - extra;
size_t len = CHUNK_SIZE(self) + extra;
/* Crash on double free */
char *base = (char *)self - extra;
size_t len = CHUNK_SIZE(self) + extra;
/* Crash on double free */
- if ((uintptr_t)base < mal.brk) *(char *)0=0;
+ if ((uintptr_t)base < mal.brk) *(
volatile
char *)0=0;
__munmap(base, len);
return;
}
__munmap(base, len);
return;
}