From 89b2479830756188cfe81cbe34fbb83a33e67dfd Mon Sep 17 00:00:00 2001
From: yangjiaqi <yangjiaqi16@huawei.com>
Date: Wed, 2 Mar 2022 14:20:40 +0800
Subject: [PATCH] fix dev_name stack overflow

---
 src/proc_fuse.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/proc_fuse.c b/src/proc_fuse.c
index 0f66c40..a1c0265 100644
--- a/src/proc_fuse.c
+++ b/src/proc_fuse.c
@@ -497,7 +497,7 @@ struct devinfo* container_dev_read(pid_t pid) {
 	struct dirent *ptr;
 	struct stat dev_stat;
 	struct devinfo *head = NULL, *end;
-	char fpath[100], dev_name[100];
+	char fpath[100], dev_name[101];
 	pid_t child_pid;
 	int mypipe[2];
 	int dev_num;
@@ -574,6 +574,7 @@ child_out:
 	}
 	wait_for_pid(child_pid);
 	child_pid = 0;
+	memset(dev_name, 0, sizeof(dev_name));
 	while (fscanf(stream, "%100s%d", dev_name, &dev_num) == 2) {
 			if (dev_num == 0) {
 				break;
@@ -593,6 +594,7 @@ child_out:
 			end->name = must_copy_string(dev_name);
 			end->major = major(dev_num);
 			end->minor = minor(dev_num);
+			memset(dev_name, 0, sizeof(dev_name));
 	}
 err:
 	if (stream)
-- 
2.32.0 (Apple Git-132)