From 3a2c2ee532d4ceade6945802080e08977b01cb32 Mon Sep 17 00:00:00 2001
From: Richard Genoud <richard.genoud@posteo.net>
Date: Tue, 3 Nov 2020 12:11:11 +0100
Subject: [PATCH] fs/squashfs: sqfs_read: fix dangling pointer dirs->entry

dirs->entry shouldn't be left dangling as it could be freed twice.

Signed-off-by: Richard Genoud <richard.genoud@posteo.net>
[jh80.chung: cherry picked from mainline commit d1d8d75f69f82f7ef7c55b58a7d9e73055956f3c]
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

Change-Id: Ie76becc6bfb30341d1964a34154ebe4014def678
---
 fs/squashfs/sqfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index 79a465e203..f824339d6a 100644
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -1339,6 +1339,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
 			break;
 
 		free(dirs->entry);
+		dirs->entry = NULL;
 	}
 
 	if (ret) {
-- 
2.34.1