* malloc/malloc.c (sYSMALLOc): Only call grow_heap if
(long) (MINSIZE + nb - old_size) is positive.
* malloc/arena.c (grow_heap): When growing bail even if new_size
is negative.
2006-09-07 Jakub Jelinek <jakub@redhat.com>
+ [BZ #2775]
+ * malloc/malloc.c (sYSMALLOc): Only call grow_heap if
+ (long) (MINSIZE + nb - old_size) is positive.
+
+ * malloc/arena.c (grow_heap): When growing bail even if new_size
+ is negative.
+
[BZ #3155]
* sysdeps/powerpc/powerpc32/fpu/s_lrint.S (__lrint): Don't access
stack below r1.
if(diff >= 0) {
diff = (diff + page_mask) & ~page_mask;
new_size = (long)h->size + diff;
- if(new_size > HEAP_MAX_SIZE)
+ if((unsigned long) new_size > (unsigned long) HEAP_MAX_SIZE)
return -1;
if(mprotect((char *)h + h->size, diff, PROT_READ|PROT_WRITE) != 0)
return -2;
/* First try to extend the current heap. */
old_heap = heap_for_ptr(old_top);
old_heap_size = old_heap->size;
- if (grow_heap(old_heap, MINSIZE + nb - old_size) == 0) {
+ if ((long) (MINSIZE + nb - old_size) > 0
+ && grow_heap(old_heap, MINSIZE + nb - old_size) == 0) {
av->system_mem += old_heap->size - old_heap_size;
arena_mem += old_heap->size - old_heap_size;
#if 0