From dad20f6a2d51f6d959304f3f027b7ddc1cdd3724 Mon Sep 17 00:00:00 2001
From: topjohnwu <topjohnwu@gmail.com>
Date: Sat, 25 May 2019 18:30:43 -0700
Subject: [PATCH] Update zygote namespace

Close #1492
---
 native/jni/magiskhide/proc_monitor.cpp | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/native/jni/magiskhide/proc_monitor.cpp b/native/jni/magiskhide/proc_monitor.cpp
index fe1b89304..cf1163080 100644
--- a/native/jni/magiskhide/proc_monitor.cpp
+++ b/native/jni/magiskhide/proc_monitor.cpp
@@ -362,14 +362,18 @@ static bool check_pid(int pid) {
 }
 
 static void new_zygote(int pid) {
-	if (zygote_map.count(pid))
-		return;
-
-	LOGD("proc_monitor: ptrace zygote PID=[%d]\n", pid);
-
 	struct stat st;
 	if (read_ns(pid, &st))
 		return;
+
+	auto it = zygote_map.find(pid);
+	if (it != zygote_map.end()) {
+		// Update namespace info
+		it->second = st;
+		return;
+	}
+
+	LOGD("proc_monitor: ptrace zygote PID=[%d]\n", pid);
 	zygote_map[pid] = st;
 
 	xptrace(PTRACE_ATTACH, pid);