From fa8037c207181e7f2c0648ea5c8dfe46783a86e6 Mon Sep 17 00:00:00 2001
From: zijunzhao <zijunzhao@google.com>
Date: Fri, 31 Mar 2023 23:50:37 +0000
Subject: [PATCH] Handle with the nonnull case in a tricky way

The func readdir() is not allowed to pass a nullptr.
Bug: b/245972273
Test: mm

Change-Id: Idbb3f552b026dc6d727886d22989d3359ed6633b
---
 debuggerd/crasher/crasher.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/debuggerd/crasher/crasher.cpp b/debuggerd/crasher/crasher.cpp
index 4043a6e03..6a1987882 100644
--- a/debuggerd/crasher/crasher.cpp
+++ b/debuggerd/crasher/crasher.cpp
@@ -164,7 +164,8 @@ noinline void fprintf_null() {
 }
 
 noinline void readdir_null() {
-    readdir(nullptr);
+    DIR* sneaky_null = nullptr;
+    readdir(sneaky_null);
 }
 
 noinline int strlen_null() {