Fix argument to VirtualProtect.

ruby · Jun 3, 2019 · 15841f4 · 15841f4
1 parent 3a808e5
commit 15841f4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/cont.c b/cont.c
@@ -199,7 +199,7 @@ fiber_pool_expand(struct fiber_pool * fiber_pool, size_t size, size_t count)
     for (i = 0; i < count; i += 1) {
         void * base = (char*)allocation->base + (size * i);
 
-        if (!VirtualProtect(stack, RB_PAGE_SIZE, PAGE_READWRITE | PAGE_GUARD, &old_protect)) {
+        if (!VirtualProtect(base, RB_PAGE_SIZE, PAGE_READWRITE | PAGE_GUARD, &old_protect)) {
             VirtualFree(allocation->base, 0, MEM_RELEASE);
             rb_raise(rb_eFiberError, "can't set a guard page: %s", ERRNOMSG);
         }