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-rw-r--r--src/malloc/oldmalloc/malloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/malloc/oldmalloc/malloc.c b/src/malloc/oldmalloc/malloc.c
index 0a38690c..52af1975 100644
--- a/src/malloc/oldmalloc/malloc.c
+++ b/src/malloc/oldmalloc/malloc.c
@@ -409,7 +409,7 @@ copy_realloc:
new = malloc(n-OVERHEAD);
if (!new) return 0;
copy_free_ret:
- memcpy(new, p, n0-OVERHEAD);
+ memcpy(new, p, (n<n0 ? n : n0) - OVERHEAD);
free(CHUNK_TO_MEM(self));
return new;
}