hold regions_lock in alloc_aligned

2018-08-26 04:37:43 -04:00 · 2018-08-26 04:37:43 -04:00 · a13a45a17d
commit a13a45a17d
parent bec20a39cf
1 changed files with 5 additions and 0 deletions
--- a/malloc.c
+++ b/malloc.c
@ -790,10 +790,15 @@ static int alloc_aligned(void **memptr, size_t alignment, size_t size, size_t mi
    if (p == NULL) {
        return ENOMEM;
    }
+
+    pthread_mutex_lock(&regions_lock);
    if (regions_insert(p, size)) {
+        pthread_mutex_unlock(&regions_lock);
        deallocate_pages(p, size, PAGE_SIZE);
        return ENOMEM;
    }
+    pthread_mutex_unlock(&regions_lock);
+
    *memptr = p;
    return 0;
 }